Memory and learning

وَقَالَ ٱلَّذِينَ أُوتُواْ ٱلۡعِلۡمَ وَٱلۡإِيمَٰنَ لَقَدۡ لَبِثۡتُمۡ فِي كِتَٰبِ ٱللَّهِ إِلَىٰ يَوۡمِ ٱلۡبَعۡثِۖ فَهَٰذَا يَوۡمُ ٱلۡبَعۡثِ وَلَٰكِنَّكُمۡ كُنتُمۡ لَا تَعۡلَمُونَ

but those endowed with knowledge and faith will say, ‘In accordance with God’s decree, you actually lingered till the Day of Resurrection: this is the Day of Resurrection, yet you did not know.’

وَٱتَّبَعُواْ مَا تَتۡلُواْ ٱلشَّيَٰطِينُ عَلَىٰ مُلۡكِ سُلَيۡمَٰنَۖ وَمَا كَفَرَ سُلَيۡمَٰنُ وَلَٰكِنَّ ٱلشَّيَٰطِينَ كَفَرُواْ يُعَلِّمُونَ ٱلنَّاسَ ٱلسِّحۡرَ وَمَآ أُنزِلَ عَلَى ٱلۡمَلَكَيۡنِ بِبَابِلَ هَٰرُوتَ وَمَٰرُوتَۚ وَمَا يُعَلِّمَانِ مِنۡ أَحَدٍ حَتَّىٰ يَقُولَآ إِنَّمَا نَحۡنُ فِتۡنَةࣱ فَلَا تَكۡفُرۡۖ فَيَتَعَلَّمُونَ مِنۡهُمَا مَا يُفَرِّقُونَ بِهِۦ بَيۡنَ ٱلۡمَرۡءِ وَزَوۡجِهِۦۚ وَمَا هُم بِضَآرِّينَ بِهِۦ مِنۡ أَحَدٍ إِلَّا بِإِذۡنِ ٱللَّهِۚ وَيَتَعَلَّمُونَ مَا يَضُرُّهُمۡ وَلَا يَنفَعُهُمۡۚ وَلَقَدۡ عَلِمُواْ لَمَنِ ٱشۡتَرَىٰهُ مَا لَهُۥ فِي ٱلۡأٓخِرَةِ مِنۡ خَلَٰقࣲۚ وَلَبِئۡسَ مَا شَرَوۡاْ بِهِۦٓ أَنفُسَهُمۡۚ لَوۡ كَانُواْ يَعۡلَمُونَ

and followed what the evil ones had fabricated about the Kingdom of Solomon instead. Not that Solomon himself was a disbeliever; it was the evil ones who were disbelievers. They taught people witchcraft and what was revealed in Babylon to the two angels Harut and Marut. Yet these two never taught anyone without first warning him, ‘We are sent only to tempt- do not disbelieve.’ From these two, they learned what can cause discord between man and wife, although they harm no one with it except by God’s leave. They learned what harmed them, not what benefited them, knowing full well that whoever gained [this knowledge] would lose any share in the Hereafter. Evil indeed is the [price] for which they sold their souls, if only they knew

يَٰٓأَيُّهَا ٱلَّذِينَ ءَامَنُوٓاْ إِذَا تَدَايَنتُم بِدَيۡنٍ إِلَىٰٓ أَجَلࣲ مُّسَمࣰّ ى فَٱكۡتُبُوهُۚ وَلۡيَكۡتُب بَّيۡنَكُمۡ كَاتِبُۢ بِٱلۡعَدۡلِۚ وَلَا يَأۡبَ كَاتِبٌ أَن يَكۡتُبَ كَمَا عَلَّمَهُ ٱللَّهُۚ فَلۡيَكۡتُبۡ وَلۡيُمۡلِلِ ٱلَّذِي عَلَيۡهِ ٱلۡحَقُّ وَلۡيَتَّقِ ٱللَّهَ رَبَّهُۥ وَلَا يَبۡخَسۡ مِنۡهُ شَيۡـࣰٔ اۚ فَإِن كَانَ ٱلَّذِي عَلَيۡهِ ٱلۡحَقُّ سَفِيهًا أَوۡ ضَعِيفًا أَوۡ لَا يَسۡتَطِيعُ أَن يُمِلَّ هُوَ فَلۡيُمۡلِلۡ وَلِيُّهُۥ بِٱلۡعَدۡلِۚ وَٱسۡتَشۡهِدُواْ شَهِيدَيۡنِ مِن رِّجَالِكُمۡۖ فَإِن لَّمۡ يَكُونَا رَجُلَيۡنِ فَرَجُلࣱ وَٱمۡرَأَتَانِ مِمَّن تَرۡضَوۡنَ مِنَ ٱلشُّهَدَآءِ أَن تَضِلَّ إِحۡدَىٰهُمَا فَتُذَكِّرَ إِحۡدَىٰهُمَا ٱلۡأُخۡرَىٰۚ وَلَا يَأۡبَ ٱلشُّهَدَآءُ إِذَا مَا دُعُواْۚ وَلَا تَسۡـَٔمُوٓاْ أَن تَكۡتُبُوهُ صَغِيرًا أَوۡ كَبِيرًا إِلَىٰٓ أَجَلِهِۦۚ ذَٰلِكُمۡ أَقۡسَطُ عِندَ ٱللَّهِ وَأَقۡوَمُ لِلشَّهَٰدَةِ وَأَدۡنَىٰٓ أَلَّا تَرۡتَابُوٓاْ إِلَّآ أَن تَكُونَ تِجَٰرَةً حَاضِرَةࣰ تُدِيرُونَهَا بَيۡنَكُمۡ فَلَيۡسَ عَلَيۡكُمۡ جُنَاحٌ أَلَّا تَكۡتُبُوهَاۗ وَأَشۡهِدُوٓاْ إِذَا تَبَايَعۡتُمۡۚ وَلَا يُضَآرَّ كَاتِبࣱ وَلَا شَهِيدࣱۚ وَإِن تَفۡعَلُواْ فَإِنَّهُۥ فُسُوقُۢ بِكُمۡۗ وَٱتَّقُواْ ٱللَّهَۖ وَيُعَلِّمُكُمُ ٱللَّهُۗ وَٱللَّهُ بِكُلِّ شَيۡءٍ عَلِيمࣱ‏

You who believe, when you contract a debt for a stated term, put it down in writing: have a scribe write it down justly between you. No scribe should refuse to write: let him write as God has taught him, let the debtor dictate, and let him fear God, his Lord, and not diminish [the debt] at all. If the debtor is feeble-minded, weak, or unable to dictate, then let his guardian dictate justly. Call in two men as witnesses. If two men are not there, then call one man and two women out of those you approve as witnesses, so that if one of the two women should forget the other can remind her. Let the witnesses not refuse when they are summoned. Do not disdain to write the debt down, be it small or large, along with the time it falls due: this way is more equitable in God’s eyes, more reliable as testimony, and more likely to prevent doubts arising between you. But if the merchandise is there and you hand it over, there is no blame on you if you do not write it down. Have witnesses present whenever you trade with one another, and let no harm be done to either scribe or witness, for if you did cause them harm, it would be a crime on your part. Be mindful of God, and He will teach you: He has full knowledge of everything

وَلَن تَرۡضَىٰ عَنكَ ٱلۡيَهُودُ وَلَا ٱلنَّصَٰرَىٰ حَتَّىٰ تَتَّبِعَ مِلَّتَهُمۡۗ قُلۡ إِنَّ هُدَى ٱللَّهِ هُوَ ٱلۡهُدَىٰۗ وَلَئِنِ ٱتَّبَعۡتَ أَهۡوَآءَهُم بَعۡدَ ٱلَّذِي جَآءَكَ مِنَ ٱلۡعِلۡمِ مَا لَكَ مِنَ ٱللَّهِ مِن وَلِيࣲّ وَلَا نَصِيرٍ

The Jews and the Christians will never be pleased with you unless you follow their ways. Say, ‘God’s guidance is the only true guidance.’ If you were to follow their desires after the knowledge that has come to you, you would find no one to protect you from God or help you

وَلَئِنۡ أَتَيۡتَ ٱلَّذِينَ أُوتُواْ ٱلۡكِتَٰبَ بِكُلِّ ءَايَةࣲ مَّا تَبِعُواْ قِبۡلَتَكَۚ وَمَآ أَنتَ بِتَابِعࣲ قِبۡلَتَهُمۡۚ وَمَا بَعۡضُهُم بِتَابِعࣲ قِبۡلَةَ بَعۡضࣲۚ وَلَئِنِ ٱتَّبَعۡتَ أَهۡوَآءَهُم مِّنۢ بَعۡدِ مَا جَآءَكَ مِنَ ٱلۡعِلۡمِ إِنَّكَ إِذࣰ ا لَّمِنَ ٱلظَّٰلِمِينَ

Yet even if you brought every proof to those who were given the Scripture, they would not follow your prayer direction, nor will you follow theirs, nor indeed will any of them follow one another’s direction. If you [Prophet] were to follow their desires, after the knowledge brought to you, you would be doing wrong

وَقَالَ لَهُمۡ نَبِيُّهُمۡ إِنَّ ٱللَّهَ قَدۡ بَعَثَ لَكُمۡ طَالُوتَ مَلِكࣰ اۚ قَالُوٓاْ أَنَّىٰ يَكُونُ لَهُ ٱلۡمُلۡكُ عَلَيۡنَا وَنَحۡنُ أَحَقُّ بِٱلۡمُلۡكِ مِنۡهُ وَلَمۡ يُؤۡتَ سَعَةࣰ مِّنَ ٱلۡمَالِۚ قَالَ إِنَّ ٱللَّهَ ٱصۡطَفَىٰهُ عَلَيۡكُمۡ وَزَادَهُۥ بَسۡطَةࣰ فِي ٱلۡعِلۡمِ وَٱلۡجِسۡمِۖ وَٱللَّهُ يُؤۡتِي مُلۡكَهُۥ مَن يَشَآءُۚ وَٱللَّهُ وَٰسِعٌ عَلِيمࣱ‏

Their prophet said to them, ‘God has now appointed Talut to be your king,’ but they said, ‘How can he be king over us when we have a greater right to rule than he? He does not even have great wealth.’ He said, ‘God has chosen him over you, and has given him great knowledge and stature. God grants His authority to whoever He pleases: God is magnanimous, all knowing.’

(And follow that which the devils falsely related against the kingdom of Solomon�) [2:102]. Muhammad ibn 'Abd al-'Aziz al-Qantari informed us> Abu'l-Fadl al-Haddadi> Abu Yazid al-Khalidi> Ishaq ibn Ibrahim> Jarir> Husayn ibn 'Abd al-Rahman> 'Imran ibn al-Harith who said: �Once as we were sitting with Ibn 'Abbas when he said: 'The devils used to eavesdrop on heaven. One of them would bring a word of truth from therein, and when he is trusted for telling the truth, he would add to it seventy lies with which he earns the hearts of people. When Solomon came to know about it, he took it and buried it beneath his throne. When he died, a devil stood in the street and said: 'Shall I guide you to Solomon's guarded treasure, the like of which he does not have?' They said: 'Yes, do'. He said: 'It is under his throne; go and unearth it'. They said: 'This is magic'. Different nations then copied it f

But those who have been given knowledge and faith of angels and others shall say ‘You have remained according to God’s decree in accordance with what He had decreed for you in His prior knowledge until the Day of Resurrection. This is the Day of Resurrection which you rejected but you did not know’ that it would come to pass.

And on the Day that the Hour will be established, the criminals will swear that they stayed not but an hour – thus were they ever deluded (55)And those who have been bestowed with knowledge and Faith will say: "Indeed you have stayed according to the decree of Allah, until the Day of Resurrection; so this is the Day of Resurrection, but you knew not. (56)So, on that Day no excuse of theirs will avail those who did wrong, nor will they be allowed to return to seek (Allah's) pleasure (57) The Ignorance of the Disbelievers in this World and in the Hereafter Here Allah tells us of the ignorance of the disbelievers in this world and in the Hereafter. In this world they worship idols, and in the Hereafter they will also display great ignorance. They will swear by Allah that they did not even stay for one hour in this world. They will mean that there was not enough time given to establish pro

(And the Jews will not be pleased with thee, nor will the Christians�) [2:120]. The commentators of the Qur�an said: �They used to ask the Prophet, Allah bless him and give him peace, for truce, giving him the impression that if he were to accord them truce and respite they will follow him and believe in him. And so Allah, exalted is He, revealed this verse�. But Ibn �Abbas said: �This was revealed regarding the qiblah. This is because the Jews of Medina and the Christians of Najran were in the hope that the Prophet, Allah bless him and give him peace, will remain praying to their qiblah. When Allah directed him to pray toward the Ka�bah, they were disappointed and despaired of him ever following their religion. And so Allah revealed this verse�.

And they follow wa’ttaba‘ū is a supplement to nabadha ‘it cast away’ what the devils used to relate during the time of Solomon’s kingdom in the way of sorcery it is said that they the devils buried these books of sorcery underneath his throne when his kingdom was taken from him; it is also said that they used to listen stealthily and add fabrications to what they heard and then pass it on to the priests who would compile it in books; this would be disseminated and rumours spread that the jinn had knowledge of the Unseen. Solomon gathered these books and buried them. When he died the devils showed people where these books were and the latter brought them out and found that they contained sorcery and said ‘Your kingdom was only thanks to what is in here’; they then took to learning them and rejected the Scriptures of their prophets. In order to demonstrate Solomon’s innocence and in repudi

O you who believe when you contract when you are dealing with a debt such as in prepayment for future delivery of goods or a loan one upon another for a stated a known term write it down as confirmation and security against any dispute; and let a writer write it the contract of debt down between you justly accurately not increasing or decreasing the amount or the terms; and let not any writer refuse to write it down if he is requested for such a task as God has taught him the kāf of ka-mā ‘as’ is semantically connected to the verb ya’ba ‘refuse’ that is just as He has given him the advantage of knowing how to write he should not be niggardly in this respect; so let him write repeated for emphasis and let the debtor dictate to the one writing the contract for he is the one being witnessed and must be fully aware of his obligations; and let him fear God his Lord when dictating and not dimi

حَدَّثَنَا عَلِيُّ بْنُ حُجْرٍ، قَالَ أَخْبَرَنَا يَحْيَى بْنُ سَعِيدٍ الأُمَوِيُّ، عَنِ ابْنِ جُرَيْجٍ، عَنِ ابْنِ أَبِي مُلَيْكَةَ، عَنْ أُمِّ سَلَمَةَ، قَالَتْ كَانَ رَسُولُ اللَّهِ صلى الله عليه وسلم يُقَطِّعُ قِرَاءَتَهُ يَقْرَأُ ‏(‏الْحَمْدُ لِلَّهِ رَبِّ الْعَالَمِينَ ‏)‏ ثُمَّ يَقِفُ ‏(‏ الرَّحْمَنِ الرَّحِيمِ ‏)‏ ثُمَّ يَقِفُ وَكَانَ يَقْرَؤُهَا ‏(‏مَلِكِ يَوْمِ الدِّينِ ‏)‏ قَالَ أَبُو عِيسَى هَذَا حَدِيثٌ غَرِيبٌ وَبِهِ يَقْرَأُ أَبُو عُبَيْدٍ وَيَخْتَارُهُ هَكَذَا رَوَى يَحْيَى بْنُ سَعِيدٍ الأُمَوِيُّ وَغَيْرُهُ عَنِ ابْنِ جُرَيْجٍ عَنِ ابْنِ أَبِي مُلَيْكَةَ عَنْ أُمِّ سَلَمَةَ وَلَيْسَ إِسْنَادُهُ بِمُتَّصِلٍ لأَنَّ اللَّيْثَ بْنَ سَعْدٍ رَوَى هَذَا الْحَدِيثَ عَنِ ابْنِ أَبِي مُلَيْكَةَ عَنْ يَعْلَى بْنِ مَمْلَكٍ عَنْ أُمِّ سَلَمَةَ أَنَّهَا وَصَفَتْ قِرَاءَةَ النَّبِيِّ صلى الله عليه وسلم حَرْفًا حَرْفًا وَحَدِيثُ اللَّيْثِ أَصَحُّ وَلَيْسَ فِي حَدِيثِ اللَّيْثِ وَكَانَ يَقْرَأُ ‏(‏مَلِكِ يَوْمِ الدِّينِ ‏)‏ ‏.‏

Narrated Ibn Abi Mulaikah:that Umm Salamah said: "The Messenger of Allah (ﷺ) would separate recitation reciting: 'Al-Hamdulillahi Rabbil-'Alamin' then he would stop. 'Ar-Rahmanir-Rahim' then he would stop. And he would recite it: 'Maliki Yawmid-Din

حَدَّثَنَا الْحُسَيْنُ بْنُ مُحَمَّدٍ الْبَصْرِيُّ، قَالَ حَدَّثَنَا عَبْدُ اللَّهِ بْنُ حَفْصٍ، قَالَ حَدَّثَنَا ثَابِتٌ الْبُنَانِيُّ، عَنْ شَهْرِ بْنِ حَوْشَبٍ، عَنْ أُمِّ سَلَمَةَ، أَنَّ النَّبِيَّ صلى الله عليه وسلم كَانَ يَقْرَؤُهَا ‏(‏إِنَّهُ عَمِلَ غَيْرَ صَالِحٍ ‏)‏ ‏.‏ قَالَ أَبُو عِيسَى هَذَا حَدِيثٌ قَدْ رَوَاهُ غَيْرُ وَاحِدٍ عَنْ ثَابِتٍ الْبُنَانِيِّ نَحْوَ هَذَا وَهُوَ حَدِيثُ ثَابِتٍ الْبُنَانِيِّ وَرُوِيَ هَذَا الْحَدِيثُ أَيْضًا عَنْ شَهْرِ بْنِ حَوْشَبٍ عَنْ أَسْمَاءَ بِنْتِ يَزِيدَ ‏.‏ وَسَمِعْتُ عَبْدَ بْنَ حُمَيْدٍ يَقُولُ أَسْمَاءُ بِنْتُ يَزِيدَ هِيَ أُمُّ سَلَمَةَ الأَنْصَارِيَّةُ ‏.‏ قَالَ أَبُو عِيسَى كِلاَ الْحَدِيثَيْنِ عِنْدِي وَاحِدٌ وَقَدْ رَوَى شَهْرُ بْنُ حَوْشَبٍ غَيْرَ حَدِيثٍ عَنْ أُمِّ سَلَمَةَ الأَنْصَارِيَّةِ وَهِيَ أَسْمَاءُ بِنْتُ يَزِيدَ وَقَدْ رُوِيَ عَنْ عَائِشَةَ عَنِ النَّبِيِّ صلى الله عليه وسلم نَحْوُ هَذَا ‏.‏

Narrated Umm Salamah:"The Prophet (ﷺ) would recite: 'Innahu 'Amila Ghaira Salih

حَدَّثَنَا عَبْدُ اللَّهِ بْنُ يُوسُفَ، أَخْبَرَنَا مَالِكٌ، عَنْ يَحْيَى بْنِ سَعِيدٍ، عَنْ عَبْدِ الرَّحْمَنِ الأَعْرَجِ، عَنْ عَبْدِ اللَّهِ ابْنِ بُحَيْنَةَ ـ رضى الله عنه ـ أَنَّهُ قَالَ إِنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَامَ مِنِ اثْنَتَيْنِ مِنَ الظُّهْرِ لَمْ يَجْلِسْ بَيْنَهُمَا، فَلَمَّا قَضَى صَلاَتَهُ سَجَدَ سَجْدَتَيْنِ ثُمَّ سَلَّمَ بَعْدَ ذَلِكَ‏.‏

Narrated `Abdullah bin Buhaina:Allah's Messenger (ﷺ) got up after the second rak`a of the Zuhr prayer without sitting in between (the second and the third rak`at). When he finished the prayer he performed two prostrations (of Sahu) and then finished the prayer with Taslim

حَدَّثَنَا أَبُو الْوَلِيدِ، حَدَّثَنَا شُعْبَةُ، عَنِ الْحَكَمِ، عَنْ إِبْرَاهِيمَ، عَنْ عَلْقَمَةَ، عَنْ عَبْدِ اللَّهِ ـ رضى الله عنه ـ أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم صَلَّى الظُّهْرَ خَمْسًا فَقِيلَ لَهُ أَزِيدَ فِي الصَّلاَةِ فَقَالَ ‏ "‏ وَمَا ذَاكَ ‏"‏‏.‏ قَالَ صَلَّيْتَ خَمْسًا‏.‏ فَسَجَدَ سَجْدَتَيْنِ بَعْدَ مَا سَلَّمَ‏.‏

Narrated' `Abdullah:Once Allah's Messenger (ﷺ) offered five rak`at in the Zuhr prayer, and somebody asked him whether there was some increase in the prayer. Allah's Messenger (ﷺ) said, "What is that?" He said, "You have offered five rak`at." So Allah's Messenger (ﷺ) performed two prostrations of Sahu after Taslim

أَخْبَرَنَا عَمْرُو بْنُ عَلِيٍّ، قَالَ حَدَّثَنَا يَحْيَى بْنُ سَعِيدٍ، قَالَ حَدَّثَنَا حَمَّادُ بْنُ زَيْدٍ، قَالَ حَدَّثَنَا غَيْلاَنُ بْنُ جَرِيرٍ، عَنْ مُطَرِّفِ بْنِ عَبْدِ اللَّهِ، قَالَ صَلَّى عَلِيُّ بْنُ أَبِي طَالِبٍ فَكَانَ يُكَبِّرُ فِي كُلِّ خَفْضٍ وَرَفْعٍ يُتِمُّ التَّكْبِيرَ ‏.‏ فَقَالَ عِمْرَانُ بْنُ حُصَيْنٍ لَقَدْ ذَكَّرَنِي هَذَا صَلاَةَ رَسُولِ اللَّهِ صلى الله عليه وسلم ‏.‏

It was narrated that Mutarrif bin 'Abdullah said:"Ali bin Abi Talib prayed, and he said the takbir every time he went down and came up, in all movements of the prayer. 'Imran bin Husain said: 'This reminds me of the prayer of the Messenger of Allah (ﷺ)

أَخْبَرَنَا يَعْقُوبُ بْنُ إِبْرَاهِيمَ الدَّوْرَقِيُّ، وَمُحَمَّدُ بْنُ بَشَّارٍ، - وَاللَّفْظُ لَهُ - قَالاَ حَدَّثَنَا يَحْيَى بْنُ سَعِيدٍ، قَالَ حَدَّثَنَا عَبْدُ الْحَمِيدِ بْنُ جَعْفَرٍ، قَالَ حَدَّثَنِي مُحَمَّدُ بْنُ عَمْرِو بْنِ عَطَاءٍ، عَنْ أَبِي حُمَيْدٍ السَّاعِدِيِّ، قَالَ سَمِعْتُهُ يُحَدِّثُ، قَالَ كَانَ النَّبِيُّ صلى الله عليه وسلم إِذَا قَامَ مِنَ السَّجْدَتَيْنِ كَبَّرَ وَرَفَعَ يَدَيْهِ حَتَّى يُحَاذِيَ بِهِمَا مَنْكِبَيْهِ كَمَا صَنَعَ حِينَ افْتَتَحَ الصَّلاَةَ ‏.‏

It was narrated from Abu Humaid As-Sa'idi that:When the Prophet (ﷺ) stood up following two prostrations, he would say the takbir and raise his hands until they were level with his shoulders, as he had done at the beginning of the prayer

وفيه سبعة أبواب الباب الأول في فضل العلم والتعليم والتعلم

وقال الزهري رحمه الله العلم ذكر ولا تحبه إلا ذكران الرجال فضيلة التعلم

وقيل أول العلم الصمت ثم الاستماع ثم الحفظ ثم العمل ثم نشره

| الفائدة الأولى التعليم والتعلم

فالمحتاج إلى التعلم لما هو فرض عليه عاص بالعزلة

والسفر هو المعين على التعلم في الابتداء

Cued memory reactivation during sleep influences skill learning.: Information acquired during waking can be reactivated during sleep, promoting memory stabilization. After people learned to produce two melodies in time with moving visual symbols, we enhanced relative performance by presenting one melody during an afternoon nap. Electrophysiological signs of memory processing during sleep corroborated the notion that appropriate auditory stimulation that does not disrupt sleep can nevertheless bias memory consolidation in relevant brain circuitry.

The effects of acute stress on episodic memory: A meta-analysis and integrative review.: A growing body of research has indicated that acute stress can critically impact memory. However, there are a number of inconsistencies in the literature, and important questions remain regarding the conditions under which stress effects emerge as well as basic questions about how stress impacts different phases of memory. In this meta-analysis, we examined 113 independent studies in humans with 6,216 participants that explored effects of stress on encoding, postencoding, retrieval, or postreact

Off-line learning of motor skill memory: a double dissociation of goal and movement.: Acquiring a new skill requires learning multiple aspects of a task simultaneously. For example, learning a piano sonata requires learning the musical notes and being able to implement this goal by learning the appropriate sequence of finger movements. After practice, skill continues to develop off-line during a period of consolidation. Here we show that different aspects of a procedural memory are processed separately during consolidation: Only the movement sequence is enhanced over the day; whe

The role of sleep in false memory formation.: Memories are not stored as exact copies of our experiences. As a result, remembering is subject not only to memory failure, but to inaccuracies and distortions as well. Although such distortions are often retained or even enhanced over time, sleep's contribution to the development of false memories is unknown. Here, we report that a night of sleep increases both veridical and false recall in the Deese-Roediger-McDermott (DRM) paradigm, compared to an equivalent period of daytime wakefulness. But

Memory for therapy in bipolar disorder and comorbid insomnia.: Objective: To examine the extent to which patients recall the contents of therapy from 1 session to the next and to determine whether recall is associated with treatment outcome. Method: Thirty interepisode individuals with bipolar disorder and comorbid insomnia (ages 21-62 years, 56.7% women, 56.7% Caucasian) participated in a randomized controlled trial of psychotherapies. Patients received either cognitive behavior therapy for insomnia (CBTI-BP; n = 17) or psychoeducation (PE; n = 13). At the

Computerized cognitive training in cognitively healthy older adults: a systematic review and meta-analysis of effect modifiers.: Background: New effective interventions to attenuate age-related cognitive decline are a global priority. Computerized cognitive training (CCT) is believed to be safe and can be inexpensive, but neither its efficacy in enhancing cognitive performance in healthy older adults nor the impact of design factors on such efficacy has been systematically analyzed. Our aim therefore was to quantitatively assess whether CCT programs can enhance cognition in healthy older adults, discriminate responsive fr

Interplay between prior knowledge and communication mode on teaching effectiveness: Interpersonal neural synchronization as a neural marker.

Teacher-student interaction allows students to combine prior knowledge with new information to develop new knowledge. It is widely understood that both communication mode and students' knowledge state contribute to the teaching effectiveness (i.e., higher students' scores), but the nature of the interplay of these factors and the underlying neural mechanism remain unknown. In the current study, we manipulated the communication modes (face-to-face [FTF] communication mode/computer-mediated communication [CMC] mode) and prior knowledge states (with vs. without) when teacher-student dyads participated in a teaching task. Using functional near-infrared spectroscopy, the brain activities of both the teacher and student in the dyads were recorded simultaneously. After teaching, perceived teacher-student interaction and teaching effectiveness were assessed. The behavioral results demonstrated t…

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The learning effects of different presentations of worked examples on medical students' breaking-bad-news skills: A randomized and blinded field trial.

Objectives: Effective instructional approaches are needed to enable undergraduates to optimally prepare for the limited training time they receive with simulated patients (SPs). This study examines the learning effects of different presentation formats of a worked example on student SP communication. Methods: Sixty-seven fourth-year medical students attending a mandatory communication course participated in this randomized field trial. Prior to the course, they worked through an e-learning module that introduced the SPIKES protocol for delivering bad news to patients. In this module, a single worked example was presented to one group of students in a text version, to a second group in a video version, and to a third group in a video version enriched with text hints denoting the SPIKES steps. Results: The video-with-hints group broke bad news to SPs significantly more appropriately than e…

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Impact of a Brief Group Intervention to Enhance Parenting and the Home Learning Environment for Children Aged 6-36 Months: a Cluster Randomised Controlled Trial.

This study evaluated the effectiveness of a group parenting intervention designed to strengthen the home learning environment of children from disadvantaged families. Two cluster randomised controlled superiority trials were conducted in parallel and delivered within existing services: a 6-week parenting group (51 locations randomised; 986 parents) for parents of infants (aged 6-12 months), and a 10-week facilitated playgroup (58 locations randomised; 1200 parents) for parents of toddlers (aged 12-36 months). Each trial had three conditions: intervention (smalltalk group-only); enhanced intervention with home coaching (smalltalk plus); and 'standard'/usual practice controls. Parent-report and observational measures were collected at baseline, 12 and 32 weeks follow-up. Primary outcomes were parent verbal responsivity and home learning activities at 32 weeks. In the infant trial, there we…

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The effects of adaptive working memory training and mindfulness meditation training on processing efficiency and worry in high worriers.

Worry is the principle characteristic of generalised anxiety disorder, and has been linked to deficient attentional control, a main function of working memory (WM). Adaptive WM training and mindfulness meditation practice (MMP) have both shown potential to increase attentional control. The present study hence investigates the individual and combined effects of MMP and a dual adaptive n-back task on a non-clinical, randomised sample of high worriers. 60 participants were tested before and after seven days of training. Assessment included self-report questionnaires, as well as performance tasks measuring attentional control and working memory capacity. Combined training resulted in continued reduction in worry in the week after training, highlighting the potential of utilising n-back training as an adjunct to established clinical treatment. Engagement with WM training correlated with immed…

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Learning communication from erroneous video-based examples: A double-blind randomised controlled trial.

Objective: Appropriate training strategies are required to equip undergraduate healthcare students to benefit from communication training with simulated patients. This study examines the learning effects of different formats of video-based worked examples on initial communication skills. Methods: First-year nursing students (N=36) were randomly assigned to one of two experimental groups (correct v. erroneous examples) or to the control group (no examples). All the groups were provided an identical introduction to learning materials on breaking bad news; the experimental groups also received a set of video-based worked examples. Each example was accompanied by a self-explanation prompt (considering the example's correctness) and elaborated feedback (the true explanation). Results: Participants presented with erroneous examples broke bad news to a simulated patient significantly more appro…

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A four-day Western-style dietary intervention causes reductions in hippocampal-dependent learning and memory and interoceptive sensitivity.

In animals, a Western style diet-high in saturated fat and added sugar-causes impairments in hippocampal-dependent learning and memory (HDLM) and perception of internal bodily state (interoception). In humans, while there is correlational support for a link between Western-style diet, HDLM, and interoception, there is as yet no causal data. Here, healthy individuals were randomly assigned to consume either a breakfast high in saturated fat and added sugar (Experimental condition) or a healthier breakfast (Control condition), over four consecutive days. Tests of HDLM, interoception and biological measures were administered before and after breakfast on the days one and four, and participants completed food diaries before and during the study. At the end of the study, the Experimental condition showed significant reductions in HDLM and reduced interoceptive sensitivity to hunger and fullne…

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Enhancing Working Memory Training with Transcranial Direct Current Stimulation.

Working memory (WM) is a fundamental cognitive ability that supports complex thought but is limited in capacity. Thus, WM training interventions have become very popular as a means of potentially improving WM-related skills. Another promising intervention that has gained increasing traction in recent years is transcranial direct current stimulation (tDCS), a noninvasive form of brain stimulation that can modulate cortical excitability and temporarily increase brain plasticity. As such, it has the potential to boost learning and enhance performance on cognitive tasks. This study assessed the efficacy of tDCS to supplement WM training. Sixty-two participants were randomized to receive either right prefrontal, left prefrontal, or sham stimulation with concurrent visuospatial WM training over the course of seven training sessions. Results showed that tDCS enhanced training performance, which…

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Single blind randomised controlled trial of GAME (Goals - Activity - Motor Enrichment) in infants at high risk of cerebral palsy.

Background: Cerebral palsy (CP) is caused by a lesion in the developing infant brain. Recent neuroplasticity literature suggests that intensive, task-specific intervention ought to commence early, during the critical period of neural development. Aims: To determine whether "GAME" (Goals - Activity - Motor Enrichment), a motor learning, environmental enrichment intervention, is effective for improving motor skills in infants at high risk of CP. Methods and procedures: Single blind randomised controlled trial of GAME versus standard care. Primary outcome was motor skills on the Peabody Developmental Motor Scales-2 (PDMS-2). Secondary outcomes included Canadian Occupational Performance Measure (COPM), Bayley Scales of Infant and Toddler Development (BSID-III) and Gross Motor Function Measure-66 (GMFM-66). Outcome assessors were masked to group allocation and data analyzed with multiple regr…

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Bifidobacterium longum 1714 as a translational psychobiotic: modulation of stress, electrophysiology and neurocognition in healthy volunteers.

The emerging concept of psychobiotics-live microorganisms with a potential mental health benefit-represents a novel approach for the management of stress-related conditions. The majority of studies have focused on animal models. Recent preclinical studies have identified the B. longum 1714 strain as a putative psychobiotic with an impact on stress-related behaviors, physiology and cognitive performance. Whether such preclinical effects could be translated to healthy human volunteers remains unknown. We tested whether psychobiotic consumption could affect the stress response, cognition and brain activity patterns. In a within-participants design, healthy volunteers (N=22) completed cognitive assessments, resting electroencephalography and were exposed to a socially evaluated cold pressor test at baseline, post-placebo and post-psychobiotic. Increases in cortisol output and subjective anxi…

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The effectiveness of manual-guided, problem-solving-based self-learning programme for family caregivers of people with recent-onset psychosis: A randomised controlled trial with 6-month follow-up.

Background: Family intervention for psychotic disorders is an integral part of psychiatric treatment with positive effects on patients' mental state and relapse rate. However, the effect of such family-based intervention on caregivers' psychological distress and well-being, especially in non-Western countries, has received comparatively much less attention. Objectives: To test the effects of guided problem-solving-based manual-guided self-learning programme for family caregivers of adults with recent-onset psychosis over a 6-month period of follow-up, when compared with those in usual family support service. Design: A single-centre randomised controlled trial, which was registered at ClinicalTrials.gov (NCT02391649), with a repeated-measures, two-arm (parallel-group) design. Settings: One main psychiatric outpatient clinic in the New Territories of Hong Kong. Participants: A random sampl…

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The influence of cognitive control training on stress reactivity and rumination in response to a lab stressor and naturalistic stress.

Cognitive control impairments have been identified as an underlying mechanism for rumination, a key predictor of depression. Literature suggests that cognitive control training (CCT) targeting working memory functioning can increase effectiveness of existing antidepressant treatments to reduce rumination. However, it remains unclear whether CCT can also be implemented as a preventive intervention for depression, increasing resilience. For this purpose, at-risk undergraduate students (high trait ruminators) were allocated to a CCT or active control condition, consisting of 10 online training sessions. Working memory functioning was assessed preceding and following the training and reactivity to a lab stressor was assessed directly following training. Finally, at four weeks follow-up, brooding--the maladaptive form of rumination--was re-assessed in response to a naturalistic stressor (exam…

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Reinforcement learning in multidimensional environments relies on attention mechanisms.

In recent years, ideas from the computational field of reinforcement learning have revolutionized the study of learning in the brain, famously providing new, precise theories of how dopamine affects learning in the basal ganglia. However, reinforcement learning algorithms are notorious for not scaling well to multidimensional environments, as is required for real-world learning. We hypothesized that the brain naturally reduces the dimensionality of real-world problems to only those dimensions that are relevant to predicting reward, and conducted an experiment to assess by what algorithms and with what neural mechanisms this "representation learning" process is realized in humans. Our results suggest that a bilateral attentional control network comprising the intraparietal sulcus, precuneus, and dorsolateral prefrontal cortex is involved in selecting what dimensions are relevant to the ta…

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Music Training Increases Phonological Awareness and Reading Skills in Developmental Dyslexia: A Randomized Control Trial.

There is some evidence for a role of music training in boosting phonological awareness, word segmentation, working memory, as well as reading abilities in children with typical development. Poor performance in tasks requiring temporal processing, rhythm perception and sensorimotor synchronization seems to be a crucial factor underlying dyslexia in children. Interestingly, children with dyslexia show deficits in temporal processing, both in language and in music. Within this framework, we test the hypothesis that music training, by improving temporal processing and rhythm abilities, improves phonological awareness and reading skills in children with dyslexia. The study is a prospective, multicenter, open randomized controlled trial, consisting of test, rehabilitation and re-test (ID NCT02316873). After rehabilitation, the music group (N = 24) performed better than the control group (N = 2…

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Does multicomponent physical exercise with simultaneous cognitive training boost cognitive performance in older adults? A 6-month randomized controlled trial with a 1-year follow-up.

Background: Cognitive impairment is a health problem that concerns almost every second elderly person. Physical and cognitive training have differential positive effects on cognition, but have been rarely applied in combination. This study evaluates synergistic effects of multicomponent physical exercise complemented with novel simultaneous cognitive training on cognition in older adults. We hypothesized that simultaneous cognitive-physical components would add training specific cognitive benefits compared to exclusively physical training. Methods: Seniors, older than 70 years, without cognitive impairment, were randomly assigned to either: 1) virtual reality video game dancing (DANCE), 2) treadmill walking with simultaneous verbal memory training (MEMORY), or 3) treadmill walking (PHYS). Each program was complemented with strength and balance exercises. Two 1-hour training sessions per …

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Promoting prosocial behavior and self-regulatory skills in preschool children through a mindfulness-based Kindness Curriculum.

Self-regulatory abilities are robust predictors of important outcomes across the life span, yet they are rarely taught explicitly in school. Using a randomized controlled design, the present study investigated the effects of a 12-week mindfulness-based Kindness Curriculum (KC) delivered in a public school setting on executive function, self-regulation, and prosocial behavior in a sample of 68 preschool children. The KC intervention group showed greater improvements in social competence and earned higher report card grades in domains of learning, health, and social-emotional development, whereas the control group exhibited more selfish behavior over time. Interpretation of effect sizes overall indicate small to medium effects favoring the KC group on measures of cognitive flexibility and delay of gratification. Baseline functioning was found to moderate treatment effects with KC children …

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The effects of oxytocin on social reward learning in humans.

It has been hypothesised that the mechanisms modulating social affiliation are regulated by reward circuitry. Oxytocin, previously shown to support affiliative behaviour and the processing of socio-emotional stimuli, is expressed in areas of the brain involved in reward and motivation. However, limited data are available that test if oxytocin is directly involved in reward learning, or whether oxytocin can modulate the effect of emotion on reward learning. In a double-blind, randomised, placebo-controlled, within-group study design, 24 typical male volunteers were administered 24 IU of oxytocin or placebo and subsequently completed an affective reward learning task. Oxytocin selectively reduced performance of learning rewards, but not losses, from happy faces. The mechanism by which oxytocin may be exerting this effect is discussed in terms of whether oxytocin is affecting identity recog…

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Decision-making considerations in application of biodegradable fixation systems in maxillofacial surgery--a retrospective cohort study.

In a recent RCT comparing biodegradable (Inion CPS) with titanium (KLS Martin) plates and screws for fixation of osteotomies or fractures, we found that in 21% of the cases the surgeon decided intra-operatively to switch from biodegradable to titanium. The aim of the current retrospective cohort study was to analyse the reasons for these switches in order to find predictor variables that may be helpful in the decision to use biodegradable devices or not. The surgeons' opinion about the biodegradable system, and if there was a learning curve in the application of the biodegradable system were also investigated. All variables were assessed during the original RCT by using a questionnaire that was completed by the OMF surgeon directly post-operatively. For the outcome variable "surgeons' opinion" a separate questionnaire was used. Regarding the predictor variables a mandibular fracture had …

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Differential, but not opponent, effects of L -DOPA and citalopram on action learning with reward and punishment.

Rationale: Decision-making involves two fundamental axes of control namely valence, spanning reward and punishment, and action, spanning invigoration and inhibition. We recently exploited a go/no-go task whose contingencies explicitly decouple valence and action to show that these axes are inextricably coupled during learning. This results in a disadvantage in learning to go to avoid punishment and in learning to no-go to obtain a reward. The neuromodulators dopamine and serotonin are likely to play a role in these asymmetries: Dopamine signals anticipation of future rewards and is also involved in an invigoration of motor responses leading to reward, but it also arbitrates between different forms of control. Conversely, serotonin is implicated in motor inhibition and punishment processing. Objective: To investigate the role of dopamine and serotonin in the interaction between action and…

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Training the emotional brain: improving affective control through emotional working memory training.

Affective cognitive control capacity (e.g., the ability to regulate emotions or manipulate emotional material in the service of task goals) is associated with professional and interpersonal success. Impoverished affective control, by contrast, characterizes many neuropsychiatric disorders. Insights from neuroscience indicate that affective cognitive control relies on the same frontoparietal neural circuitry as working memory (WM) tasks, which suggests that systematic WM training, performed in an emotional context, has the potential to augment affective control. Here we show, using behavioral and fMRI measures, that 20 d of training on a novel emotional WM protocol successfully enhanced the efficiency of this frontoparietal demand network. Critically, compared with placebo training, emotional WM training also accrued transfer benefits to a "gold standard" measure of affective cognitive co…

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The memory support system for mild cognitive impairment: randomized trial of a cognitive rehabilitation intervention.

Objective: Individuals with amnestic mild cognitive impairment (MCI) have few empirically based treatment options for combating their memory loss. This study sought to examine the efficacy of a calendar/notebook rehabilitation intervention, the memory support system (MSS), for individuals with amnestic MCI. Methods: Forty individuals with single domain amnestic MCI and their program partners were randomized to receive the MSS, either with training or without (controls). Measures of adherence, activities of daily living, and emotional impact were completed at the first and last intervention sessions and again at 8 weeks and 6 months post intervention. Results: Training in use of a notebook/calendar system significantly improved adherence over those who received the calendars but no training. Functional ability and memory self-efficacy significantly improved for those who received MSS trai…

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Short-term learning induces white matter plasticity in the fornix.

Magnetic resonance imaging (MRI) has greatly extended the exploration of neuroplasticity in behaving animals and humans. Imaging studies recently uncovered structural changes that occur in gray and white matter, mainly after long-term training. A recent diffusion tensor imaging (DTI) study showed that training in a car racing game for 2 h induces changes in the hippocampus and parahippocampal gyri. However, the effect of short-term training on the white matter microstructure is unknown. Here we investigated the influence of short learning tasks on structural plasticity in the white matter, and specifically in the fornix, in humans and rats. Human subjects performed a 2 h spatial learning task, and rats underwent training for 1 d in a Morris water maze. Between tasks, subjects were scanned with DTI, a diffusion MRI framework sensitive to tissue microstructure. Using tract-based spatial st…

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Experience Corps: a dual trial to promote the health of older adults and children's academic success.

Background: As the population ages, older adults are seeking meaningful, and impactful, post-retirement roles. As a society, improving the health of people throughout longer lives is a major public health goal. This paper presents the design and rationale for an effectiveness trial of Experience Corps™, an intervention created to address both these needs. This trial evaluates (1) whether senior volunteer roles within Experience Corps™ beneficially impact children's academic achievement and classroom behavior in public elementary schools and (2) impact on the health of volunteers. Methods: Dual evaluations of (1) an intention-to-treat trial randomizing eligible adults 60 and older to volunteer service in Experience Corps™, or to a control arm of usual volunteering opportunities, and (2) a comparison of eligible public elementary schools receiving Experience Corps™ to matched, eligible con…

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Influence of chronic moderate sleep restriction and exercise training on anxiety, spatial memory, and associated neurobiological measures in mice.

Sleep deprivation can have deleterious effects on cognitive function and mental health. Moderate exercise training has myriad beneficial effects on cognition and mental health. However, physiological and behavioral effects of chronic moderate sleep restriction and its interaction with common activities, such as moderate exercise training, have received little investigation. The aims of this study were to examine the effects of chronic moderate sleep restriction and moderate exercise training on anxiety-related behavior, spatial memory, and neurobiological correlates in mice. Male mice were randomized to one of four 11-week treatments in a 2 [sleep restriction (∼4h loss/day) vs. ad libitum sleep] × 2 [exercise (1h/day/6 d/wk) vs. sedentary activity] experimental design. Anxiety-related behavior was assessed with the elevated-plus maze, and spatial learning and memory were assessed with th…

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The effect of intranasal oxytocin treatment on conditioned fear extinction and recall in a healthy human sample.

Rationale: To improve outcomes for patients undergoing extinction-based therapies (e.g., exposure therapy) for anxiety disorders such as post-traumatic stress disorder (PTSD), there has been interest in identifying pharmaceutical compounds that might facilitate fear extinction learning and recall. Oxytocin (OT) is a mammalian neuropeptide that modulates activation of fear extinction-based neural circuits and fear responses. Little is known, however, about the effects of OT treatment on conditioned fear responding and extinction in humans. Objectives: The purpose of the present study was to assess the effects of OT in a fear-potentiated startle task of fear conditioning and extinction. Methods: A double-blind, placebo-controlled study of 44 healthy human participants was conducted. Participants underwent a conditioned fear acquisition procedure, after which they were randomized to treatme…

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Effectiveness of a lifestyle intervention in promoting the well-being of independently living older people: results of the Well Elderly 2 Randomised Controlled Trial.

Background: Older people are at risk for health decline and loss of independence. Lifestyle interventions offer potential for reducing such negative outcomes. The aim of this study was to determine the effectiveness and cost-effectiveness of a preventive lifestyle-based occupational therapy intervention, administered in a variety of community-based sites, in improving mental and physical well-being and cognitive functioning in ethnically diverse older people. Methods: A randomised controlled trial was conducted comparing an occupational therapy intervention and a no-treatment control condition over a 6-month experimental phase. Participants included 460 men and women aged 60-95 years (mean age 74.9 ± 7.7 years; 53% <$12000 annual income) recruited from 21 sites in the greater Los Angeles metropolitan area. Results: Intervention participants, relative to untreated controls, showed more fa…

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