Habit formation and self-regulation

تُؤۡتِيٓ أُكُلَهَا كُلَّ حِينِۭ بِإِذۡنِ رَبِّهَاۗ وَيَضۡرِبُ ٱللَّهُ ٱلۡأَمۡثَالَ لِلنَّاسِ لَعَلَّهُمۡ يَتَذَكَّرُونَ

yielding constant fruit by its Lord’s leave- God makes such comparisons for people so that they may reflect

قَالُواْ نَعۡبُدُ أَصۡنَامࣰ ا فَنَظَلُّ لَهَا عَٰكِفِينَ

They said, ‘We worship idols, and are constantly in attendance on them.’

وَمَآءࣲ مَّسۡكُوبࣲ‏

constantly flowing water

ٱلَّذِينَ هُمۡ عَلَىٰ صَلَاتِهِمۡ دَآئِمُونَ

and are constant in their prayers

It gives its fruit every season by the leave of its Lord. Ibn ʿAbbās said, “The tree that the Exalted Lord used as a likeness for the faith of the faithful is a tree in paradise whose fruit is neither cut off nor finished: neither cut off nor withheld [56:33].” In the same way the subtleties of the hearts of the recognizers are among the fruits of the tree of faith, neither cut off nor withheld, and the hearts of the folk of the realities are not turned away from them or veiled. At every moment and breath the subtleties are freely bestowed and not veiled.

it gives its produce its fruit every season by the leave of its Lord by His will. Similarly the words of faith are set firm in the heart of the believer; his works are raised up to heaven and he receives the blessings and reward therefrom all the time. And God strikes He makes clear similitudes for mankind so that they might remember be admonished and therefore believe.

They said ‘We worship idols — they reiterate the verb in the response in order to supplement it with the following remark — and remain cleaving to them’ we remain worshipping them all day; they give a longer response to indicate their misplaced pride in such an act.

And recite to them the story of Ibrahim (69)When he said to his father and his people: "What do you worship? (70)They said: "We worship idols, and to them we are ever devoted. (71)He said: "Do they hear you when you call? (72)"Or do they benefit you or do they cause harm? (73)They said: "(Nay) but we found our fathers doing so. (74)He said: "Do you observe that which you have been worshipping – (75)"You and your ancient fathers? (76)"Verily, they are enemies to me, save the Lord of Al-'Alamin, (77) How the Close Friend of Allah, Ibrahim Spoke out Against Shirk Here Allah tells us about His servant, Messenger and Close Friend, Ibrahim, upon him be peace, the leader of the pure monotheists. Allah commanded His Messenger Muhammad ﷺ to recite this story to his Ummah so that they could follow this example of sincerity towards Allah, putting one's trust in Him, worshipping Him Alone with no

And those on the right – how (fortunate) will be those on the right (27)(They will be) among Sidri Makhdud (28)And among Talh Mandud (29)And in shade Mamdud (30)And by water flowing constantly (31)And fruit in plenty (32)Whose supply is not cut off nor are they out of reach (33)And on couches, raised high (34)Verily, We have created them a special creation (35)And made them virgins (36)'Urub, Atrab (37)For those on the right (38)A multitude of those will be from the first generation (39)And a multitude of those will be from the later generations (40) The Reward of Those on the Right After Allah mentioned the final destination of those foremost in faith, the nearest to Him, He next mentioned the end of those on the right, the righteous believers. Maymun bin Mihran said that those on the right side are lesser in rank than the foremost in faith. Allah said, وَأَصْحَابُ الْيَمِينِ مَا أَص

وَمَاءٍ مَّسْكُوبٍ (...and water, poured forth...56:31) This means the water will be flowing constantly on the surface of the ground.

حَدَّثَنَا أَبُو عُبَيْدٍ، مُحَمَّدُ بْنُ عُبَيْدِ بْنِ مَيْمُونٍ الْمَدَنِيُّ حَدَّثَنَا مُحَمَّدُ بْنُ سَلَمَةَ الْحَرَّانِيُّ، حَدَّثَنَا مُحَمَّدُ بْنُ إِسْحَاقَ، حَدَّثَنَا مُحَمَّدُ بْنُ إِبْرَاهِيمَ التَّيْمِيُّ، عَنْ مُحَمَّدِ بْنِ عَبْدِ اللَّهِ بْنِ زَيْدٍ، عَنْ أَبِيهِ، قَالَ كَانَ رَسُولُ اللَّهِ ـ صلى الله عليه وسلم ـ قَدْ هَمَّ بِالْبُوقِ وَأَمَرَ بِالنَّاقُوسِ فَنُحِتَ فَأُرِيَ عَبْدُ اللَّهِ بْنُ زَيْدٍ فِي الْمَنَامِ قَالَ رَأَيْتُ رَجُلاً عَلَيْهِ ثَوْبَانِ أَخْضَرَانِ يَحْمِلُ نَاقُوسًا فَقُلْتُ لَهُ يَا عَبْدَ اللَّهِ تَبِيعُ النَّاقُوسَ قَالَ وَمَا تَصْنَعُ بِهِ قُلْتُ أُنَادِي بِهِ إِلَى الصَّلاَةِ ‏.‏ قَالَ أَفَلاَ أَدُلُّكَ عَلَى خَيْرٍ مِنْ ذَلِكَ قُلْتُ وَمَا هُوَ قَالَ تَقُولُ اللَّهُ أَكْبَرُ اللَّهُ أَكْبَرُ اللَّهُ أَكْبَرُ اللَّهُ أَكْبَرُ أَشْهَدُ أَنْ لاَ إِلَهَ إِلاَّ اللَّهُ أَشْهَدُ أَنْ لاَ إِلَهَ إِلاَّ اللَّهُ أَشْهَدُ أَنَّ مُحَمَّدًا رَسُولُ اللَّهِ أَشْهَدُ أَنَّ مُحَمَّدًا رَسُولُ اللَّهِ حَىَّ عَلَى الصَّلاَةِ حَىَّ عَلَى الصَّلاَةِ حَىَّ عَلَى الْفَلاَحِ حَىَّ عَلَى الْفَلاَحِ ‏.‏ اللَّهُ أَكْبَرُ اللَّهُ أَكْبَرُ لاَ إِلَهَ إِلاَّ اللَّهُ ‏.‏ قَالَ فَخَرَجَ عَبْدُ اللَّهِ بْنُ زَيْدٍ حَتَّى أَتَى رَسُولَ اللَّهِ ـ صلى الله عليه وسلم ـ فَأَخْبَرَهُ بِمَا رَأَى ‏.‏ قَالَ يَا رَسُولَ اللَّهِ رَأَيْتُ رَجُلاً عَلَيْهِ ثَوْبَانِ أَخْضَرَانِ يَحْمِلُ نَاقُوسًا ‏.‏ فَقَصَّ عَلَيْهِ الْخَبَرَ فَقَالَ رَسُولُ اللَّهِ ـ صلى الله عليه وسلم ـ ‏ "‏ إِنَّ صَاحِبَكُمْ قَدْ رَأَى رُؤْيَا فَاخْرُجْ مَعَ بِلاَلٍ إِلَى الْمَسْجِدِ فَأَلْقِهَا عَلَيْهِ وَلْيُنَادِ بِلاَلٌ فَإِنَّهُ أَنْدَى صَوْتًا مِنْكَ ‏"‏ ‏.‏ قَالَ فَخَرَجْتُ مَعَ بِلاَلٍ إِلَى الْمَسْجِدِ فَجَعَلْتُ أُلْقِيهَا عَلَيْهِ وَهُوَ يُنَادِي بِهَا ‏.‏ قَالَ فَسَمِعَ عُمَرُ بْنُ الْخَطَّابِ بِالصَّوْتِ فَخَرَجَ فَقَالَ يَا رَسُولَ اللَّهِ وَاللَّهِ لَقَدْ رَأَيْتُ مِثْلَ الَّذِي رَأَى ‏.‏ قَالَ أَبُو عُبَيْدٍ فَأَخْبَرَنِي أَبُو بَكْرٍ الْحَكَمِيُّ أَنَّ عَبْدَ اللَّهِ بْنَ زَيْدٍ الأَنْصَارِيَّ قَالَ فِي ذَلِكَ أَحْمَدُ اللَّهَ ذَا الْجَلاَلِ وَذَا الإِكْرَامِ حَمْدًا عَلَى الأَذَانِ كَثِيرًا إِذْ أَتَانِي بِهِ الْبَشِيرُ مِنَ اللَّهِ فَأَكْرِمْ بِهِ لَدَىَّ بَشِيرًا فِي لَيَالٍ وَالَى بِهِنَّ ثَلاَثٍ كُلَّمَا جَاءَ زَادَنِي تَوْقِيرًا

It was narrated from Muhammed bin 'Abdullah bin Zaid that his father said that:The Messenger of Allah was thinking of a horn, and he commanded that a bell be made and it was done. Then 'Abdullah bin Zaid had a dream. He said: "I saw a man wearing two green garments, carrying a bell. I said to him, 'O slave of Allah, will you sell the bell?' He said; 'What will you do with it?' I said, 'I will call (the people) to prayer.' He said, 'Shall I not tell you of something better than that?' I said, 'What is it?' he said, 'Say: Allahu Akbar Allahu Akbar, Allahu Akbar Allahu Akbar; Ash-hadu an la ilaha illallah, Ash-hadu an la ilaha illallah; Ash-hadu anna Muhammadan Rasulullah, Ash-hadu anna Muhammadan Rasulullah; Hayya 'alas-salah, Hayya 'alas-salah; Hayya 'alal-falah, Hayya 'alal-falah; Allahu Akbar Allahu Akbar; La ilaha illallah (Allah is The Most Great, Allah is The Most Great; Allah is The Most Great, Allah is The Most Great; I bear witness that none has the right to be worshipped but Allah, I bear witness that none has the right to be worshipped but Allah; I bear witness that Muhammed is the Messenger of Allah, I bear witness that Muhammed is the Messenger of Allah; Come to the Prayer, Come to the Prayer; Come to the prosperity, Come to the prosperity; Allah is the Most great, Allah is the Most Great; None has the right to be worshipped but Allah)." 'Abdullah bin Zaid went out and came to the Messenger of Allah, and told him what he had seen. He said, "O Messenger of Allah, I saw a man wearing two green garments carrying a bell," and he told him the story. The Messenger of Allah said, "Your companion has had a dream. Go out with Bilal to the mosque and teach it to him, for he has a louder voice than you." I ('Abdullah) went out with Bilal to the mosque, and I started teaching him the words and he was calling them out. 'Umar Al-Khattab heard the voice and came out saying, "O Messenger of Allah! By Allah, I saw the same (dream) as him." (Hasan)Abu 'Ubaid said: "Abu Bakr Al-Hakami told me that 'Abdullah bin Zaid Al-Ansari said concerning that: 'I praise Allah, the Possessor of majesty and honor, A great deal of praise for the Adhan. Since the news of it came to me from Allah, So due to it, I was honored by the information. During the three nights. Each of which increased me in honor

حَدَّثَنَا مُحَمَّدُ بْنُ بَشَّارٍ، وَمُحَمَّدُ بْنُ يَحْيَى، قَالاَ حَدَّثَنَا أَبُو عَاصِمٍ، أَنْبَأَنَا ابْنُ جُرَيْجٍ، أَخْبَرَنِي عَبْدُ الْعَزِيزِ بْنُ عَبْدِ الْمَلِكِ بْنِ أَبِي مَحْذُورَةَ، عَنْ عَبْدِ اللَّهِ بْنِ مُحَيْرِيزٍ، - وَكَانَ يَتِيمًا فِي حِجْرِ أَبِي مَحْذُورَةَ بْنِ مِعْيَرٍ حِينَ جَهَّزَهُ إِلَى الشَّامِ - فَقُلْتُ لأَبِي مَحْذُورَةَ أَىْ عَمِّ إِنِّي خَارِجٌ إِلَى الشَّامِ وَإِنِّي أُسْأَلُ عَنْ تَأْذِينِكَ فَأَخْبَرَنِي أَنَّ أَبَا مَحْذُورَةَ قَالَ خَرَجْتُ فِي نَفَرٍ فَكُنَّا بِبَعْضِ الطَّرِيقِ فَأَذَّنَ مُؤَذِّنُ رَسُولِ اللَّهِ ـ صلى الله عليه وسلم ـ بِالصَّلاَةِ عِنْدَ رَسُولِ اللَّهِ ـ صلى الله عليه وسلم ـ فَسَمِعْنَا صَوْتَ الْمُؤَذِّنِ وَنَحْنُ عَنْهُ مُتَنَكِّبُونَ فَصَرَخْنَا نَحْكِيهِ نَهْزَأُ بِهِ فَسَمِعَ رَسُولُ اللَّهِ ـ صلى الله عليه وسلم ـ فَأَرْسَلَ إِلَيْنَا قَوْمًا فَأَقْعَدُونَا بَيْنَ يَدَيْهِ فَقَالَ ‏"‏ أَيُّكُمُ الَّذِي سَمِعْتُ صَوْتَهُ قَدِ ارْتَفَعَ ‏"‏ ‏.‏ فَأَشَارَ إِلَىَّ الْقَوْمُ كُلُّهُمْ وَصَدَقُوا فَأَرْسَلَ كُلَّهُمْ وَحَبَسَنِي وَقَالَ لِي ‏"‏ قُمْ فَأَذِّنْ ‏"‏ ‏.‏ فَقُمْتُ وَلاَ شَىْءَ أَكْرَهُ إِلَىَّ مِنْ رَسُولِ اللَّهِ ـ صلى الله عليه وسلم ـ وَلاَ مِمَّا يَأْمُرُنِي بِهِ فَقُمْتُ بَيْنَ يَدَىْ رَسُولِ اللَّهِ ـ صلى الله عليه وسلم ـ فَأَلْقَى عَلَىَّ رَسُولُ اللَّهِ التَّأْذِينَ هُوَ بِنَفْسِهِ فَقَالَ ‏"‏ قُلِ اللَّهُ أَكْبَرُ اللَّهُ أَكْبَرُ اللَّهُ أَكْبَرُ اللَّهُ أَكْبَرُ أَشْهَدُ أَنْ لاَ إِلَهَ إِلاَّ اللَّهُ أَشْهَدُ أَنْ لاَ إِلَهَ إِلاَّ اللَّهُ أَشْهَدُ أَنَّ مُحَمَّدًا رَسُولُ اللَّهِ أَشْهَدُ أَنَّ مُحَمَّدًا رَسُولُ اللَّهِ ‏"‏ ‏.‏ ثُمَّ قَالَ لِي ‏"‏ ارْجِعْ فَمُدَّ مِنْ صَوْتِكَ أَشْهَدُ أَنْ لاَ إِلَهَ إِلاَّ اللَّهُ أَشْهَدُ أَنْ لاَ إِلَهَ إِلاَّ اللَّهُ أَشْهَدُ أَنَّ مُحَمَّدًا رَسُولُ اللَّهِ أَشْهَدُ أَنَّ مُحَمَّدًا رَسُولُ اللَّهِ حَىَّ عَلَى الصَّلاَةِ حَىَّ عَلَى الصَّلاَةِ حَىَّ عَلَى الْفَلاَحِ حَىَّ عَلَى الْفَلاَحِ اللَّهُ أَكْبَرُ اللَّهُ أَكْبَرُ لاَ إِلَهَ إِلاَّ اللَّهُ ‏"‏ ‏.‏ ثُمَّ دَعَانِي حِينَ قَضَيْتُ التَّأْذِينَ فَأَعْطَانِي صُرَّةً فِيهَا شَىْءٌ مِنْ فِضَّةٍ ثُمَّ وَضَعَ يَدَهُ عَلَى نَاصِيَةِ أَبِي مَحْذُورَةَ ثُمَّ أَمَرَّهَا عَلَى وَجْهِهِ مِنْ بَيْنِ يَدَيْهِ ثُمَّ عَلَى كَبِدِهِ ثُمَّ بَلَغَتْ يَدُ رَسُولِ اللَّهِ ـ صلى الله عليه وسلم ـ سُرَّةَ أَبِي مَحْذُورَةَ ثُمَّ قَالَ رَسُولُ اللَّهِ ـ صلى الله عليه وسلم ـ ‏"‏ بَارَكَ اللَّهُ لَكَ وَبَارَكَ عَلَيْكَ ‏"‏ ‏.‏ فَقُلْتُ يَا رَسُولَ اللَّهِ أَمَرْتَنِي بِالتَّأْذِينِ بِمَكَّةَ قَالَ ‏"‏ نَعَمْ قَدْ أَمَرْتُكَ ‏"‏ ‏.‏ فَذَهَبَ كُلُّ شَىْءٍ كَانَ لِرَسُولِ اللَّهِ ـ صلى الله عليه وسلم ـ مِنْ كَرَاهِيَةٍ وَعَادَ ذَلِكَ كُلُّهُ مَحَبَّةً لِرَسُولِ اللَّهِ ـ صلى الله عليه وسلم ـ فَقَدِمْتُ عَلَى عَتَّابِ بْنِ أَسِيدٍ عَامِلِ رَسُولِ اللَّهِ ـ صلى الله عليه وسلم ـ بِمَكَّةَ فَأَذَّنْتُ مَعَهُ بِالصَّلاَةِ عَلَى أَمْرِ رَسُولِ اللَّهِ ـ صلى الله عليه وسلم ـ ‏.‏ قَالَ وَأَخْبَرَنِي ذَلِكَ مَنْ أَدْرَكَ أَبَا مَحْذُورَةَ عَلَى مَا أَخْبَرَنِي عَبْدُ اللَّهِ بْنُ مُحَيْرِيزٍ ‏.‏

Ibn Juraij narrated:"Abdul-'Aziz bin 'Abdul-Malik bin Abu Mahdhurah narrated from 'Abdullah bin muhairiz who was an orphan under the care of Abu Mahdhurah bin mi'yar that when he was preparing him to travel to Sham, he said: 'O my uncle, I am going out to Sham, and I will be asked about how you started the Adhan.' So he informed me that. Abu Mahdhurah said: 'I went out with a group of people, and we were somewhere on the road, when the Mu'adh-dhin of the Messenger of Allah gave the call to prayer in the presence of the Messenger of Allah. We heard the voice of the Mu'adh-dhin, and we were shunning it (the Adhan), so we started yelling, imitating it and mocking it. The Messenger of Allah heard us, so he sent some people who brought us to sit in front of him. He said: 'Who is the one whose voice I heard so loud?' The people all pointed to me, and they were telling the truth. He sent them all away, but kept me there and said to me: 'Stand up and give the call to prayer.' I stood up and there was nothing more hateful to me than the Messenger of Allah and what he was telling me to do. I stood up in front of the Messenger of Allah and the Messenger of Allah himself taught me the call. He said: "Say: 'Allahu Akbar Allahu Akbar, Allahu Akbar Allahu Akbar; Ash-hadu an la ilaha illallah, Ash-hadu an la ilaha illallah; Ash-hadu anna Muhammadan Rasulullah, Ash-hadu anna Muhammadan Rasulullah (Allah is the Most great, Allah is the most Great, Allah is the most Great, Allah is the most Great; I bear witness that none has the right to be worshipped but Allah, I bear witness that none has the right to be worshipped but Allah; I bear witness that Muhammad is the Messenger of Allah, I bear witness that Muhammad is the Messenger of Allah).'" Then he said: "Raise your voice (and say). Ash-hadu an la ilaha illallah, Ash-hadu an la ilaha illallah; Ash-hadu anna Muhammadan Rasulullah, Ash-hadu anna Muhammadan Rasulullah; Hayya 'alal-salah, Hayya 'alal-salah; Hayya 'alal-falah, Hayya 'alal-falah; Allahu Akbar Allahu Akbar; La ilaha illallah (I bear witness that none has the right to be worshipped but Allah, I bear witness that none has the right to be worshipped but Allah; I bear witness that Muhammad is the Messenger of Allah, I bear witness that Muhammad is the Messenger of Allah; Come to the Prayer, Come to the Prayer; Come to the prosperity, Come to the prosperity; Allah is the Most great, Allah is the Most Great; None has the right to be worshipped but Allah).'" Then he called me when I had finished saying the Adhan, and gave me a small bag in which there was some silver. Then he put his hand on the forelock of Abu Mahdhurah, then passed it over his face, then over his chest, and over his heart, until the hand of the Messenger of Allah reached his navel. Then the Messenger of Allah said: 'May Allah bless you and send blessings upon you.' I said: 'O Messenger of Allah, do you command me to give the call to prayer in Makkah?' He said: 'Yes, I command you (to do so).' Then all the hatred I had felt towards the Messenger of Allah disappeared, and was replaced with love for the Messenger of Allah. I came to 'Attab bin Asid, the governor of the Messenger of Allah in Makkah, and gave the call to prayer with him by command of the Messenger of Allah." (Sahih)He ('Abdul-'Aziz) said: "Someone who met Abu Mahdhurah told me the same as 'Abdullah bin Muhairiz told me

حَدَّثَنَا عَلِيُّ بْنُ عَبْدِ اللَّهِ، حَدَّثَنَا سُفْيَانُ، قَالَ سَأَلْتُ الأَعْمَشَ فَقَالَ عَنْ زَيْدِ بْنِ وَهْبٍ، سَمِعْتُ حُذَيْفَةَ، يَقُولُ حَدَّثَنَا رَسُولُ اللَّهِ صلى الله عليه وسلم ‏ "‏ أَنَّ الأَمَانَةَ نَزَلَتْ مِنَ السَّمَاءِ فِي جَذْرِ قُلُوبِ الرِّجَالِ، وَنَزَلَ الْقُرْآنُ فَقَرَءُوا الْقُرْآنَ وَعَلِمُوا مِنَ السُّنَّةِ ‏"‏‏.‏

Narrated Hudhaifa:Allah's Messenger (ﷺ) said to us, "Honesty descended from the Heavens and settled in the roots of the hearts of men (faithful believers), and then the Qur'an was revealed and the people read the Qur'an, (and learnt it from it) and also learnt it from the Sunna." Both Qur'an and Sunna strengthened their (the faithful believers') honesty. (See Hadith No)

حَدَّثَنَا مُحَمَّدُ بْنُ عَبَادَةَ، أَخْبَرَنَا يَزِيدُ، حَدَّثَنَا سَلِيمُ بْنُ حَيَّانَ ـ وَأَثْنَى عَلَيْهِ ـ حَدَّثَنَا سَعِيدُ بْنُ مِينَاءَ، حَدَّثَنَا أَوْ، سَمِعْتُ جَابِرَ بْنَ عَبْدِ اللَّهِ، يَقُولُ جَاءَتْ مَلاَئِكَةٌ إِلَى النَّبِيِّ صلى الله عليه وسلم وَهْوَ نَائِمٌ فَقَالَ بَعْضُهُمْ إِنَّهُ نَائِمٌ‏.‏ وَقَالَ بَعْضُهُمْ إِنَّ الْعَيْنَ نَائِمَةٌ وَالْقَلْبَ يَقْظَانُ‏.‏ فَقَالُوا إِنَّ لِصَاحِبِكُمْ هَذَا مَثَلاً فَاضْرِبُوا لَهُ مَثَلاً‏.‏ فَقَالَ بَعْضُهُمْ إِنَّهُ نَائِمٌ‏.‏ وَقَالَ بَعْضُهُمْ إِنَّ الْعَيْنَ نَائِمَةٌ وَالْقَلْبَ يَقْظَانُ‏.‏ فَقَالُوا مَثَلُهُ كَمَثَلِ رَجُلٍ بَنَى دَارًا، وَجَعَلَ فِيهَا مَأْدُبَةً وَبَعَثَ دَاعِيًا، فَمَنْ أَجَابَ الدَّاعِيَ دَخَلَ الدَّارَ وَأَكَلَ مِنَ الْمَأْدُبَةِ، وَمَنْ لَمْ يُجِبِ الدَّاعِيَ لَمْ يَدْخُلِ الدَّارَ وَلَمْ يَأْكُلْ مِنَ الْمَأْدُبَةِ‏.‏ فَقَالُوا أَوِّلُوهَا لَهُ يَفْقَهْهَا فَقَالَ بَعْضُهُمْ إِنَّهُ نَائِمٌ‏.‏ وَقَالَ بَعْضُهُمْ إِنَّ الْعَيْنَ نَائِمَةٌ وَالْقَلْبَ يَقْظَانُ‏.‏ فَقَالُوا فَالدَّارُ الْجَنَّةُ، وَالدَّاعِي مُحَمَّدٌ صلى الله عليه وسلم فَمَنْ أَطَاعَ مُحَمَّدًا صلى الله عليه وسلم فَقَدْ أَطَاعَ اللَّهَ، وَمَنْ عَصَى مُحَمَّدًا صلى الله عليه وسلم فَقَدْ عَصَى اللَّهَ، وَمُحَمَّدٌ صلى الله عليه وسلم فَرْقٌ بَيْنَ النَّاسِ‏.‏ تَابَعَهُ قُتَيْبَةُ عَنْ لَيْثٍ، عَنْ خَالِدٍ، عَنْ سَعِيدِ بْنِ أَبِي هِلاَلٍ، عَنْ جَابِرٍ، خَرَجَ عَلَيْنَا النَّبِيُّ صلى الله عليه وسلم‏.‏

Narrated Jabir bin `Abdullah:Some angels came to the Prophet (ﷺ) while he was sleeping. Some of them said, "He is sleeping." Others said, "His eyes are sleeping but his heart is awake." Then they said, "There is an example for this companion of yours." One of them said, "Then set forth an example for him." Some of them said, "He is sleeping." The others said, "His eyes are sleeping but his heart is awake." Then they said, "His example is that of a man who has built a house and then offered therein a banquet and sent an inviter (messenger) to invite the people. So whoever accepted the invitation of the inviter, entered the house and ate of the banquet, and whoever did not accept the invitation of the inviter, did not enter the house, nor did he eat of the banquet." Then the angels said, "Interpret this example to him so that he may understand it." Some of them said, "He is sleeping.'' The others said, "His eyes are sleeping but his heart is awake." And then they said, "The houses stands for Paradise and the call maker is Muhammad; and whoever obeys Muhammad, obeys Allah; and whoever disobeys Muhammad, disobeys Allah. Muhammad separated the people (i.e., through his message, the good is distinguished from the bad, and the believers from the disbelievers)

أَخْبَرَنَا الْعَبَّاسُ بْنُ عَبْدِ الْعَظِيمِ، قَالَ حَدَّثَنَا عَبْدُ اللَّهِ بْنُ مُحَمَّدِ بْنِ أَسْمَاءَ، قَالَ حَدَّثَنَا جُوَيْرِيَةُ بْنُ أَسْمَاءَ، عَنِ الْوَلِيدِ بْنِ أَبِي هِشَامٍ، عَنْ نَافِعٍ، أَنَّ عَبْدَ اللَّهِ بْنَ عُمَرَ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم ‏ "‏ صَلُّوا فِي بُيُوتِكُمْ وَلاَ تَتَّخِذُوهَا قُبُورًا ‏"‏ ‏.‏

It was narrated from Nafi' that Abdullah bin Umar said:"Pray in your houses and do not make them like graves

أَخْبَرَنَا أَحْمَدُ بْنُ سُلَيْمَانَ، قَالَ حَدَّثَنَا عَفَّانُ بْنُ مُسْلِمٍ، قَالَ حَدَّثَنَا وُهَيْبٌ، قَالَ سَمِعْتُ مُوسَى بْنَ عُقْبَةَ، قَالَ سَمِعْتُ أَبَا النَّضْرِ، يُحَدِّثُ عَنْ بُسْرِ بْنِ سَعِيدٍ، عَنْ زَيْدِ بْنِ ثَابِتٍ، أَنَّ النَّبِيَّ صلى الله عليه وسلم اتَّخَذَ حُجْرَةً فِي الْمَسْجِدِ مِنْ حَصِيرٍ فَصَلَّى رَسُولُ اللَّهِ صلى الله عليه وسلم فِيهَا لَيَالِيَ حَتَّى اجْتَمَعَ إِلَيْهِ النَّاسُ ثُمَّ فَقَدُوا صَوْتَهُ لَيْلَةً فَظَنُّوا أَنَّهُ نَائِمٌ فَجَعَلَ بَعْضُهُمْ يَتَنَحْنَحُ لِيَخْرُجَ إِلَيْهِمْ فَقَالَ ‏ "‏ مَا زَالَ بِكُمُ الَّذِي رَأَيْتُ مِنْ صُنْعِكُمْ حَتَّى خَشِيتُ أَنْ يُكْتَبَ عَلَيْكُمْ وَلَوْ كُتِبَ عَلَيْكُمْ مَا قُمْتُمْ بِهِ فَصَلُّوا أَيُّهَا النَّاسُ فِي بُيُوتِكُمْ فَإِنَّ أَفْضَلَ صَلاَةِ الْمَرْءِ فِي بَيْتِهِ إِلاَّ الصَّلاَةَ الْمَكْتُوبَةَ ‏"‏ ‏.‏

It was narrated from Zaid bin Thabit that :The Prophet (ﷺ) used some palm fiber mats to section off a small area in the masjid. And the Messenger of Allah (ﷺ) prayed in it for several nights until the people gathered around him. Then, one night they did not hear his voice, and they thought that he was sleeping, so they cleared their throats to make him come out to them. He said: 'You kept doing that until I feared that it would be made obligatory for you, and if it were made obligatory, you would not be able to do it. O people, pray in your houses, for the best prayer a person offers is in his house, apart from the prescribed (obligatory) prayers

وأما الأذكار المكررة فهي كلمات ورد في تكرارها فضائل لم نطول بإيرادها وأقل ما ينبغي أن يكرر كل واحد منها ثلاثا أو سبعا وأكثره مائة أو سبعون وأوسطه عشر فليكررها بقدر فراغه وسعة وقته وفضل الأكثر أكثروالأوسط الأقصد أن يكررها عشر مرات فهو أجدر بأن يدوم عليه خير الأمور ادومها وإن قل وكل وظيفة لا يمكن المواظبة على كثيرها فقليلها مع المداومة أفضل وأشد تأثيرا في القلب مع كثيرها مع الفترة ومثال القليل الدائم كقطرات ماء تتقاطر على الأرض على التوالي فتحدث فيها حفيرة ولو وقع ذلك على الحجر ومثال الكثير المتفرق ماء يصب دفعة أو دفعات متفرقة متباعدة الأوقات فلا يبين لها أثر ظاهر وهذه الكلمات عشرة الأولى قوله لا إله إلا الله وحده لا شريك له له الملك وله الحمد يحيي ويميت وهو حي لا يموت بيده الخير وهو على كل شيء قدير + حديث الفضل في تكرار لا إله إلا الله وحده لا شريك له له الملك وله الحمد يحيي ويميت وهو حي لا يموت بيده الخير وهو على كل شيء قدير تقدم من حديث أبي أيوب تكرارها عشرا دون قوله يحيي ويميت وهو حي ل

فإذن الناس وإن اختلفت طرقهم في العبادة فكلهم على الصواب أولئك الذين يدعون يبتغون إلى ربهم الوسيلة أيهم أقرب وإنما يتفاوتون في درجات القرب لا في أصله وأقربهم إلى الله تعالى أعرفهم به وأعرفهم به لا بد وأن يكون أعبدهم له فمن عرفه لم يعبد غيره والأصل في الأوراد في حق كل صنف من الناس المداومة فإن المراد منه تغيير الصفات الباطنة وآحاد الأعمال يقل آثارها بل لا يحس بآثارها وإنما يترتب الأثر على المجموع فإذا لم يعقب العمل الواحد أثرا محسوسا ولم يردف بثان وثالث على القرب انمحى الأثر الأول وكان كالفقيه يريد أن يكون فقيه النفس فإنه لا يصير فقيه النفس إلا بتكرار كثير فلو بالغ ليلة في التكرار وترك شهرا أو أسبوعا ثم عاد وبالغ ليلة لم يؤثر هذا فيه ولو وزع ذلك القدر على الليالي المتواصلة لأثر فيه ولهذا السر قال رسول الله صلى الله عليه وسلم أحب الأعمال إلى الله أدومها وإن قل + حديث أحب الأعمال إلى الله أدومها وإن قل متفق عليه من حديث عائشة + وسئلت عائشة رضي الله عنها عن عمل رسول الله صلى الله عليه وسلم فق

فإن قلت المماراة فيها إيذاء لأن فيها تكذيبا للأخ والصديق أو تجهيلا له وأما المزاح فمطايبة وفيه انبساط وطيب قلب فلم ينهى عنه فاعلم أن المنهي عنه الإفراط فيه أو المداومة عليه

قال أبو حاتم قد ذكرت هذا الباب بكماله بالعلل والحكايات في كتاب محجة المبتدئين بما أرجو الغنية للناظر إذا ماتأملها فأغنى ذلك عن تكراره في هذا الكتاب 0 $ ذكر الحث على لزوم العلم والمداومه على طلبه

وكما أن الصغيرة بالإصرار والمداومة تصير كبيرة فكذلك بعض المباحات بالمداومة تصير صغيرة وهو كالمواظبة على متابعة الزنوج والحبشة والنظر إلى لعبهم على الدوام فإنه ممنوع وإن لم يكن أصله ممنوعا إذ فعله رسول الله صلى الله عليه وسلم

قال أبو حاتم الواجب على العاقل إذا فرغ من إصلاح سريرته أن يثنى بطلب العلم والمداومه عليه إذ لا وصول للمرء إلى صفاء شيء من أسباب الدنيا إلا بصفاء العلم فيه وحكم العاقل أن لا يقصر في سلوك حالة توجب له بسط الملائكة أجنحتها رضا بصنيعه ذلك 0

Habit formation following routine-based versus time-based cue planning: A randomized controlled trial.: Objectives: Habit formation has been identified as one of the key determinants of behaviour change. To initiate habit formation, self-regulation interventions can support individuals to form a cue-behaviour plan and to repeatedly enact the plan in the same context. This randomized controlled trial aimed to model habit formation of an everyday nutrition behaviour and examined whether habit formation and plan enactment differ when individuals plan to enact their behaviour in response to a routine-

A complex behavioural change intervention to reduce the risk of diabetes and prediabetes in the pre-conception period in Malaysia: study protocol for a randomised controlled trial.: Background: Over the past two decades, the population of Malaysia has grown rapidly and the prevalence of diabetes mellitus in Malaysia has dramatically increased, along with the frequency of obesity, hyperlipidaemia and hypertension. Early-life influences play an important role in the development of non-communicable diseases. Indeed, maternal lifestyle and conditions such as gestational diabetes mellitus or obesity can affect the risk of diabetes in the next generation. Lifestyle changes can he

Planning to break unwanted habits: habit strength moderates implementation intention effects on behaviour change.: Implementation intention formation promotes effective goal striving and goal attainment. However, little research has investigated whether implementation intentions promote behaviour change when people possess strong antagonistic habits. Experiment 1 developed relatively habitual responses that, after a task switch, had a detrimental impact on task performance. Forming an if-then plan reduced the negative impact of habit on performance. However, the effect of forming implementation intentions wa

Using mental contrasting with implementation intentions to reduce bedtime procrastination: two randomised trials.: Objective: The importance of getting a good night sleep is critical, yet for many this remains elusive. Bedtime procrastination-the notion that people delay going to bed for no legitimate reason-is one area that has received little attention, despite its associations with worse sleep outcomes. In the present research, we investigated how to effectively self-regulate bedtime procrastination. Design: In two studies (N1 = 383, N2 = 221), undergraduate students participated either in an online self-

Towards parsimony in habit measurement: testing the convergent and predictive validity of an automaticity subscale of the Self-Report Habit Index.: Background: The twelve-item Self-Report Habit Index (SRHI) is the most popular measure of energy-balance related habits. This measure characterises habit by automatic activation, behavioural frequency, and relevance to self-identity. Previous empirical research suggests that the SRHI may be abbreviated with no losses in reliability or predictive utility. Drawing on recent theorising suggesting that automaticity is the 'active ingredient' of habit-behaviour relationships, we tested whether an aut

Interventions for promoting habitual exercise in people living with and beyond cancer.: Background: This is an updated version of the original Cochrane Review published in the Cochrane Library 2013, Issue 9. Despite good evidence for the health benefits of regular exercise for people living with or beyond cancer, understanding how to promote sustainable exercise behaviour change in sedentary cancer survivors, particularly over the long term, is not as well understood. A large majority of people living with or recovering from cancer do not meet current exercise recommendations. Henc

Model-based predictions for dopamine.

Phasic dopamine responses are thought to encode a prediction-error signal consistent with model-free reinforcement learning theories. However, a number of recent findings highlight the influence of model-based computations on dopamine responses, and suggest that dopamine prediction errors reflect more dimensions of an expected outcome than scalar reward value. Here, we review a selection of these recent results and discuss the implications and complications of model-based predictions for computational theories of dopamine and learning.

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Mechanisms Underlying Motivational Deficits in Psychopathology: Similarities and Differences in Depression and Schizophrenia.

Motivational and hedonic impairments are core aspects of a variety of types of psychopathology. These impairments cut across diagnostic categories and may be critical to understanding major aspects of the functional impairments accompanying psychopathology. Given the centrality of motivational and hedonic systems to psychopathology, the Research Domain Criteria (RDoC) initiative includes a "positive valence" systems domain that outlines a number of constructs that may be key to understanding the nature and mechanisms of motivational and hedonic impairments in psychopathology. These component constructs include initial responsiveness to reward, reward anticipation or expectancy, incentive or reinforcement learning, effort valuation, and action selection. Here, we review behavioral and neuroimaging studies providing evidence for impairments in these constructs in individuals with psychosis…

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The neural bases of emotion regulation.

Emotions are powerful determinants of behaviour, thought and experience, and they may be regulated in various ways. Neuroimaging studies have implicated several brain regions in emotion regulation, including the ventral anterior cingulate and ventromedial prefrontal cortices, as well as the lateral prefrontal and parietal cortices. Drawing on computational approaches to value-based decision-making and reinforcement learning, we propose a unifying conceptual framework for understanding the neural bases of diverse forms of emotion regulation.

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Role of Dopamine Neurons in Reward and Aversion: A Synaptic Plasticity Perspective.

The brain is wired to predict future outcomes. Experience-dependent plasticity at excitatory synapses within dopamine neurons of the ventral tegmental area, a key region for a broad range of motivated behaviors, is thought to be a fundamental cellular mechanism that enables adaptation to a dynamic environment. Thus, depending on the circumstances, dopamine neurons are capable of processing both positive and negative reinforcement learning strategies. In this review, we will discuss how changes in synaptic plasticity of dopamine neurons may affect dopamine release, as well as behavioral adaptations to different environmental conditions falling at opposite ends of a saliency spectrum ranging from reward to aversion.

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Negative reinforcement in drug addiction: the darkness within.

Drug seeking is associated with the activation of reward neural circuitry, but I argue that drug addiction also involves another major source of reinforcement, specifically negative reinforcement driven by the 'dark side' (i.e., a decrease in the function of normal reward-related neurocircuitry and persistent recruitment of the brain stress systems). This combination forms the antireward system or 'darkness within.' Understanding the neuroplasticity of the neurocircuitry that comprises the negative reinforcement associated with addiction is the key to understanding the vulnerability to the transition to addiction, misery of addiction, and persistence of addiction.

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Reinforcement signalling in Drosophila; dopamine does it all after all.

Reinforcement systems are believed to drive synaptic plasticity within neural circuits that store memories. Recent evidence from the fruit fly suggests that anatomically distinct dopaminergic neurons ultimately provide the key instructive signals for both appetitive and aversive learning. This dual role for dopamine overturns the previous model that octopamine signalled reward and dopamine punishment. More importantly, this anatomically segregated double role for dopamine in reward and aversion mirrors that emerging in mammals. Therefore, an antagonistic organization of distinct reinforcing dopaminegic neurons is a conserved feature of brains. It now seems crucial to understand how the dopaminergic neurons are controlled and what the released dopamine does to the underlying circuits to convey opposite valence.

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The ubiquity of model-based reinforcement learning.

The reward prediction error (RPE) theory of dopamine (DA) function has enjoyed great success in the neuroscience of learning and decision-making. This theory is derived from model-free reinforcement learning (RL), in which choices are made simply on the basis of previously realized rewards. Recently, attention has turned to correlates of more flexible, albeit computationally complex, model-based methods in the brain. These methods are distinguished from model-free learning by their evaluation of candidate actions using expected future outcomes according to a world model. Puzzlingly, signatures from these computations seem to be pervasive in the very same regions previously thought to support model-free learning. Here, we review recent behavioral and neural evidence about these two systems, in attempt to reconcile their enigmatic cohabitation in the brain.

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Excessive discounting of delayed reinforcers as a trans-disease process contributing to addiction and other disease-related vulnerabilities: emerging evidence.

Delay discounting describes the devaluation of a reinforcer as a function of the delay until its receipt. Although all people discount delayed reinforcers, one consistent finding is that substance-dependent individuals tend to discount delayed reinforcers more rapidly than do healthy controls. Moreover, these higher-than-normal discounting rates have been observed in individuals with other behavioral maladies such as pathological gambling, poor health behavior, and overeating. This suggests that high rates of delay discounting may be a trans-disease process (i.e., a process that occurs across a range of disorders, making findings from one disorder relevant to other disorders). In this paper, we argue that delay discounting is a trans-disease process, undergirded by an imbalance between two competing neurobehavioral decision systems. Implications for our understanding of, and treatment fo…

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A hypothesis for basal ganglia-dependent reinforcement learning in the songbird.

Most of our motor skills are not innately programmed, but are learned by a combination of motor exploration and performance evaluation, suggesting that they proceed through a reinforcement learning (RL) mechanism. Songbirds have emerged as a model system to study how a complex behavioral sequence can be learned through an RL-like strategy. Interestingly, like motor sequence learning in mammals, song learning in birds requires a basal ganglia (BG)-thalamocortical loop, suggesting common neural mechanisms. Here, we outline a specific working hypothesis for how BG-forebrain circuits could utilize an internally computed reinforcement signal to direct song learning. Our model includes a number of general concepts borrowed from the mammalian BG literature, including a dopaminergic reward prediction error and dopamine-mediated plasticity at corticostriatal synapses. We also invoke a number of c…

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Functional properties of the basal ganglia's re-entrant loop architecture: selection and reinforcement.

Multifunctional agents with limited motor resources must decide what actions will best ensure their survival. Moreover, given that in an unpredictable world things don't always work out, considerable advantage is to be gained by learning from experience - instrumental behaviour that maximises reward and minimises punishment. In this review we will argue that the re-entrant looped architecture of the basal ganglia represents biological solutions to these fundamental behavioural problems of selection and reinforcement. A potential solution to the selection problem is provided for by selective disinhibition within the parallel loop architecture that connects the basal ganglia with external neural structures. The relay points within these loops permit the signals of a particular channel to be modified by external influences. In part, these influences have the capacity to modify overall selec…

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Natural rewards, neuroplasticity, and non-drug addictions.

There is a high degree of overlap between brain regions involved in processing natural rewards and drugs of abuse. "Non-drug" or "behavioral" addictions have become increasingly documented in the clinic, and pathologies include compulsive activities such as shopping, eating, exercising, sexual behavior, and gambling. Like drug addiction, non-drug addictions manifest in symptoms including craving, impaired control over the behavior, tolerance, withdrawal, and high rates of relapse. These alterations in behavior suggest that plasticity may be occurring in brain regions associated with drug addiction. In this review, I summarize data demonstrating that exposure to non-drug rewards can alter neural plasticity in regions of the brain that are affected by drugs of abuse. Research suggests that there are several similarities between neuroplasticity induced by natural and drug rewards and that, …

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Understanding dopamine and reinforcement learning: the dopamine reward prediction error hypothesis.

A number of recent advances have been achieved in the study of midbrain dopaminergic neurons. Understanding these advances and how they relate to one another requires a deep understanding of the computational models that serve as an explanatory framework and guide ongoing experimental inquiry. This intertwining of theory and experiment now suggests very clearly that the phasic activity of the midbrain dopamine neurons provides a global mechanism for synaptic modification. These synaptic modifications, in turn, provide the mechanistic underpinning for a specific class of reinforcement learning mechanisms that now seem to underlie much of human and animal behavior. This review describes both the critical empirical findings that are at the root of this conclusion and the fantastic theoretical advances from which this conclusion is drawn.

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Food reinforcement, delay discounting and obesity.

Choice is a central construct in behavioral economics, with choice research divided into choice of concurrent alternative reinforcers, which is conceptualized as relative reinforcing value, or choice of small immediate versus larger delayed rewards, usually of the same commodity, which is conceptualized as delay of gratification and delay discounting. Relative reinforcing value, delay of gratification and delay discounting paradigms can be used to study obesity, which involves strong motivation to obtain and consume food reinforcers. Strong food reinforcement and difficulties in delay of gratification are risk factors for child weight gain, and both are related to individual differences in overweight/obesity. Delay discounting interacts with food reinforcement to predict energy intake. We provide a selective review of research on each of these areas, and argue that the division of choice…

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The role of CRF and CRF-related peptides in the dark side of addiction.

Drug addiction is a chronically relapsing disorder characterized by a compulsion to seek and take drugs, the development of dependence, and the manifestation of a negative emotional state when the drug is removed. Activation of brain stress systems is hypothesized to be a key element of the negative emotional state produced by dependence that drives drug-seeking through negative reinforcement mechanisms, defined as the "dark side" of addiction. The focus of the present review is on the role of corticotropin-releasing factor (CRF) and CRF-related peptides in the dark side of addiction. CRF is a key mediator of the hormonal, autonomic, and behavior responses to stressors. Emphasis is placed on the role of CRF in extrahypothalamic systems in the extended amygdala, including the central nucleus of the amygdala, bed nucleus of the stria terminalis, and a transition area in the shell of the nu…

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Dopamine and reward: the anhedonia hypothesis 30 years on.

The anhedonia hypothesis--that brain dopamine plays a critical role in the subjective pleasure associated with positive rewards--was intended to draw the attention of psychiatrists to the growing evidence that dopamine plays a critical role in the objective reinforcement and incentive motivation associated with food and water, brain stimulation reward, and psychomotor stimulant and opiate reward. The hypothesis called to attention the apparent paradox that neuroleptics, drugs used to treat a condition involving anhedonia (schizophrenia), attenuated in laboratory animals the positive reinforcement that we normally associate with pleasure. The hypothesis held only brief interest for psychiatrists, who pointed out that the animal studies reflected acute actions of neuroleptics whereas the treatment of schizophrenia appears to result from neuroadaptations to chronic neuroleptic administratio…

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From ultrasocial to antisocial: a role for oxytocin in the acute reinforcing effects and long-term adverse consequences of drug use?

Addictive drugs can profoundly affect social behaviour both acutely and in the long-term. Effects range from the artificial sociability imbued by various intoxicating agents to the depressed and socially withdrawn state frequently observed in chronic drug users. Understanding such effects is of great potential significance in addiction neurobiology. In this review we focus on the 'social neuropeptide' oxytocin and its possible role in acute and long-term effects of commonly used drugs. Oxytocin regulates social affiliation and social recognition in many species and modulates anxiety, mood and aggression. Recent evidence suggests that popular party drugs such as MDMA and gamma-hydroxybutyrate (GHB) may preferentially activate brain oxytocin systems to produce their characteristic prosocial and prosexual effects. Oxytocin interacts with the mesolimbic dopamine system to facilitate sexual a…

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'Synaptic tagging' and 'cross-tagging' and related associative reinforcement processes of functional plasticity as the cellular basis for memory formation.

We focus on new properties of cellular and network processes of memory formation involving 'synaptic tagging' and 'cross-tagging' during long-term potentiation (LTP) and long-term depression (LTD) as well as associative heterosynaptic interactions, the latter of which are characterized by a time-window of about 1h. About 20 years ago we showed for the first time that the maintenance of LTP, like memory storage, depends on intact protein synthesis and thus consists of at least two temporal phases. Later, similar properties for LTD were shown by our own and other laboratories. Here we describe the requirements for the induction of the transient early-LTP/LTD and of the protein synthesis-dependent late-LTP/LTD. Late-LTP/LTD depend on the associative activation of heterosynaptic inputs, i.e. the synergistic activation of glutamatergic and modulatory reinforcing inputs within specific, effect…

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Choice, uncertainty and value in prefrontal and cingulate cortex.

Reinforcement learning models that focus on the striatum and dopamine can predict the choices of animals and people. Representations of reward expectation and of reward prediction errors that are pertinent to decision making, however, are not confined to these regions but are also found in prefrontal and cingulate cortex. Moreover, decisions are not guided solely by the magnitude of the reward that is expected. Uncertainty in the estimate of the reward expectation, the value of information that might be gained by taking a course of action and the cost of an action all influence the manner in which decisions are made through prefrontal and cingulate cortex.

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What is reinforced by phasic dopamine signals?

The basal ganglia have been associated with processes of reinforcement learning. A strong line of supporting evidence comes from the recording of dopamine (DA) neurones in behaving monkeys. Unpredicted, biologically salient events, including rewards cause a stereotypic short-latency (70-100 ms), short-duration (100-200 ms) burst of DA activity - the phasic response. This response is widely considered to represent reward prediction errors used as teaching signals in appetitive learning to promote actions that will maximise future reward acquisition. For DA signalling to perform this function, sensory processing afferent to DA neurones should discriminate unpredicted reward-related events. However, the comparative response latencies of DA neurones and orienting gaze-shifts indicate that phasic DA responses are triggered by pre-attentive sensory processing. Consequently, in circumstances wh…

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Striatal contributions to reward and decision making: making sense of regional variations in a reiterated processing matrix.

The striatum is the major input nucleus of the basal ganglia. It is thought to play a key role in learning on the basis of positive reinforcement and in action selection. One view of the striatum conceives it as comprising a reiterated matrix of processing units that perform common operations in different striatal regions, namely synaptic plasticity according to a three-factor rule, and lateral inhibition. These operations are required for reinforcement learning and selection of previously reinforced actions. Analysis of the behavioral effects of circumscribed lesions of the striatum, however, suggests regional specialization of learning and decision-making operations. We consider how a basic processing unit may be modified by regional variations in neurochemical parameters, for example, by the gradient in density of dopamine terminals from dorsal to ventral striatum. These variations su…

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Maintaining memories by reactivation.

According to a widely held concept, the formation of long-term memories relies on a reactivation and redistribution of newly acquired memory representations from temporary storage to neuronal networks supporting long-term storage. Here, we review evidence showing that this process of system consolidation takes place preferentially during sleep as an 'off-line' period during which memories are spontaneously reactivated and redistributed in the absence of interfering external inputs. Moreover, postlearning sleep leads to a reorganization of neuronal representations and qualitative changes of memory content. We propose that memory reactivations during sleep are accompanied by a transient destabilization of memory traces. Unlike wake reactivations that form part of an updating of memories with respect to current perceptual input, reactivations during sleep allow for gradually adapting newly …

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The debate over dopamine's role in reward: the case for incentive salience.

Introduction: Debate continues over the precise causal contribution made by mesolimbic dopamine systems to reward. There are three competing explanatory categories: 'liking', learning, and 'wanting'. Does dopamine mostly mediate the hedonic impact of reward ('liking')? Does it instead mediate learned predictions of future reward, prediction error teaching signals and stamp in associative links (learning)? Or does dopamine motivate the pursuit of rewards by attributing incentive salience to reward-related stimuli ('wanting')? Each hypothesis is evaluated here, and it is suggested that the incentive salience or 'wanting' hypothesis of dopamine function may be consistent with more evidence than either learning or 'liking'. In brief, recent evidence indicates that dopamine is neither necessary nor sufficient to mediate changes in hedonic 'liking' for sensory pleasures. Other recent evidence …

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Stress, dysregulation of drug reward pathways, and the transition to drug dependence.

This review provides a neuroadaptive perspective regarding the role of the hormonal and brain stress systems in drug addiction with a focus on the changes that occur during the transition from limited access to drugs to long-term compulsive use of drugs. A dramatic escalation in drug intake with extended access to drug self-administration is characterized by a dysregulation of brain reward pathways. Hormonal studies using an experimenter-administered cocaine binge model and an escalation self-administration model have revealed large increases in ACTH and corticosterone in rats during an acute binge with attenuation during the chronic binge stage and a reactivation of the hypothalamic-pituitary-adrenal axis during acute withdrawal. The activation of the hypothalamic-pituitary-adrenal axis with cocaine appears to depend on feed-forward activation of the mesolimbic dopamine system. At the s…

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Role of brain dopamine in food reward and reinforcement.

The ability of food to establish and maintain response habits and conditioned preferences depends largely on the function of brain dopamine systems. While dopaminergic transmission in the nucleus accumbens appears sufficient for some forms of reward, the role of dopamine in food reward does not appear to be restricted to this region. Dopamine plays an important role in both the ability to energize feeding and to reinforce food-seeking behaviour; the role in energizing feeding is secondary to the prerequisite role in reinforcement. Dopaminergic activation is triggered by the auditory and visual as well as the tactile, olfactory, and gustatory stimuli of foods. While dopamine plays a central role in the feeding and food-seeking of normal animals, some food rewarded learning can be seen in genetically engineered dopamine-deficient mice.

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The short-latency dopamine signal: a role in discovering novel actions?

An influential concept in contemporary computational neuroscience is the reward prediction error hypothesis of phasic dopaminergic function. It maintains that midbrain dopaminergic neurons signal the occurrence of unpredicted reward, which is used in appetitive learning to reinforce existing actions that most often lead to reward. However, the availability of limited afferent sensory processing and the precise timing of dopaminergic signals suggest that they might instead have a central role in identifying which aspects of context and behavioural output are crucial in causing unpredicted events.

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