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Fear learning and extinction

How fear is learned, held and unlearned.

Everything below was reached through this subject, not through the words you typed. Every row states how it was reached.

Qurʾān

القرآن6 shown

Verses named for this subject by hand come first. The rest are found by the subject’s own Arabic and English senses and are shown as lexical matches, not as anchors anyone has confirmed.

Qur'ān 21:103Arabic sense: الفزع, فزع

لَا يَحۡزُنُهُمُ ٱلۡفَزَعُ ٱلۡأَكۡبَرُ وَتَتَلَقَّىٰهُمُ ٱلۡمَلَٰٓئِكَةُ هَٰذَا يَوۡمُكُمُ ٱلَّذِي كُنتُمۡ تُوعَدُونَ

They will have no fear of the great Terror: the angels will receive them with the words, ‘This is the Day you were promised!’

Qur'ān 114:4Arabic sense: الوسواس, وسواس

مِن شَرِّ ٱلۡوَسۡوَاسِ ٱلۡخَنَّاسِ

against the harm of the slinking whisperer––

Qur'ān 27:87Arabic sense: فزع

وَيَوۡمَ يُنفَخُ فِي ٱلصُّورِ فَفَزِعَ مَن فِي ٱلسَّمَٰوَٰتِ وَمَن فِي ٱلۡأَرۡضِ إِلَّا مَن شَآءَ ٱللَّهُۚ وَكُلٌّ أَتَوۡهُ دَٰخِرِينَ

On the Day the Trumpet sounds, everyone in heaven and on earth will be terrified- except such as God wills- and all will come to Him in utter humility

Qur'ān 27:89Arabic sense: فزع

مَن جَآءَ بِٱلۡحَسَنَةِ فَلَهُۥ خَيۡرࣱ مِّنۡهَا وَهُم مِّن فَزَعࣲ يَوۡمَئِذٍ ءَامِنُونَ

whoever comes with a good deed will be rewarded with something better, and be secure from the terrors of that Day

Qur'ān 34:23Arabic sense: فزع

وَلَا تَنفَعُ ٱلشَّفَٰعَةُ عِندَهُۥٓ إِلَّا لِمَنۡ أَذِنَ لَهُۥۚ حَتَّىٰٓ إِذَا فُزِّعَ عَن قُلُوبِهِمۡ قَالُواْ مَاذَا قَالَ رَبُّكُمۡۖ قَالُواْ ٱلۡحَقَّۖ وَهُوَ ٱلۡعَلِيُّ ٱلۡكَبِيرُ

Intercession will not work with Him, except by those to whom He gives permission.’ They will be asked, after the terror is lifted from their hearts [on the Day of Judgement], ‘What did your Lord speak?’ and they will answer, ‘The Truth. He is the Most High, the Most Great.’

Qur'ān 34:51Arabic sense: فزع

وَلَوۡ تَرَىٰٓ إِذۡ فَزِعُواْ فَلَا فَوۡتَ وَأُخِذُواْ مِن مَّكَانࣲ قَرِيبࣲ‏

[Prophet], if you could only see their terror! There will be no escape when they are seized from a nearby place

Tafsīr

التفسير6 shown

Commentary on the verses above, at most two editions per verse.

en-asbab-al-nuzul-by-al-wahidi on 21:103en-asbab-al-nuzul-by-al-wahidicommentary on an ayah this subject surfaced

The greatest terror shall not make them sorrow, and the angels will receive them: “This is the day that you were promised.” On the Day of Resurrection in the greatest gathering place and most tremendous courtyard, they will not hear from the angels the call “no good news” [25:22], nor the address, “Stand apart today, O offenders!” [36:59], nor the harsh call, “Slink into it, and do not talk to Me!” [23:108]. They will not hear the call of separation's pain, nor will they despair of mercy. Rather the angels will keep on coming, company after company, and they will give the good news: “This is the day that you were promised,” that is, “This is the day in which you have the promised reward.” Among them are those who will be received by the angels, and among them are those who will be addressed and made known by the King. God will say, “My servants, have you been yearning for Me?” He will sa

en-al-jalalayn on 21:103en-al-jalalayncommentary on an ayah this subject surfaced

The Supreme Terror — which is that a servant be ordered off to the Fire shall not grieve them and the angels shall receive them upon their exiting from their graves saying to them ‘This is your day the one which you were promised’ during the life of the world.

en-al-jalalayn on 114:4en-al-jalalayncommentary on an ayah this subject surfaced

from the evil of the slinking whisperer Satan — he is referred to by the name of the action waswasa on account of his repeated engaging in it — who slinks away and recoils from the heart whenever God is mentioned

en-tafisr-ibn-kathir on 114:4en-tafisr-ibn-kathircommentary on an ayah this subject surfaced

Say: "I seek refuge with the Lord of An-Nas, (1)"The King of An-Nas, (2)"The God of An-Nas, (3)"From the evil of the whisperer who withdraws. (4)"Who whispers in the breasts of An-Nas. (5)"Of Jinn and An-Nas. (6) These are three attributes from the attributes of the Lord, the Mighty and Majestic. They are lordship, sovereignty and divinity. Thus, He is the Lord of everything, the King of everything and the God of everything. All things are created by Him, owned by Him, and subservient to Him. Therefore, He commands whoever is seeking protection to seek refuge with the One Who has these attributes from the evil of the whisperer who withdraws. This (the whisperer) is the devil that is assigned to man. For verily, there is not any of the Children of Adam except that he has a companion that beautifies wicked deeds for him. This devil will go to any lengths to confuse and confound him. The o

en-al-jalalayn on 27:87en-al-jalalayncommentary on an ayah this subject surfaced

And the day when the Trumpet will be blown the Horn will be blown the First Blast by the archangel Isrāfīl and whoever is in the heavens and the earth will be terrified that is a fright that brings about death — as is stated in another verse and whoever is in the heavens and whoever is in the earth will swoon Q. 3968 the past tense fazi‘a is used to express the fact that such events will have occurred; except whom God will namely Gabriel Michael Isrāfīl and the Angel of Death. According to Ibn ‘Abbās however these excepted individuals are the martyrs who are described as living with their Lord provided for by Him’ Q. 3169. And all kullun the nunation compensates for the missing genitive annexation in other words and every one of them after being brought back to life on the Day of Resurrection will come to Him read in the form of the verb atawhu or the active participle ātūhu in utter hum

en-tafisr-ibn-kathir on 27:87en-tafisr-ibn-kathircommentary on an ayah this subject surfaced

And (remember) the Day on which the Trumpet (Şūr) will be blown – and all who are in the heavens and all who are on the earth, will be terrified except him whom Allah wills. And all shall come to Him, humbled (87)And you will see the mountains and think them solid, but they shall pass away as the passing away of the clouds. The work of Allah, Who perfected all things, verily, He is well-acquainted with what you do (88)Whoever brings a good deed, will have better than its worth; and they will be safe from the terror on that Day (89)And whoever brings an evil deed, they will be cast down on their faces in the Fire. (And it will be said to them) "Are you being recompensed anything except what you used to do? (90) The Terrors of the Day of Resurrection, the Rewards for Good Deeds and the Punishments for Evil Deeds Allah tells us about the terrors of the Day when the Şūr will be blown. The

Classical works

كتب التراث6 shown

Arabic originals, reached through the subject’s Arabic senses. Interpretive sources, never proof of a ruling.

ihya §6038ihyaArabic sense: الفزع, فزع

وجملة أدب المريض حسن الصبر وقلة الشكوى والضجر والفزع إلى الدعاء والتوكل بعد الدواء على خالق الدواء

mukhtasar-minhaj §897mukhtasar-minhajArabic sense: الفزع, فزع

وجملة آداب المريض: حسن الصبر، وقلة الشكوى والتضجر، والفزع إلى #

rawdat-muhibbin §149rawdat-muhibbinArabic sense: الفزع, فزع

أي لذلك الماء الذي غمر الأرض ومن عليها فصل وأما الوهل فهو بتحريك الهاء وأصله الفزع والروع يقال وهل يوهل وهو وهل ومستوهل قال القطامي يصف إبلا

rawdat-muhibbin §186rawdat-muhibbinArabic sense: الفزع, فزع

وأما اللوعة فقال في الصحاح لوعة الحب حرقته وقد لاعه الحب يلوعه والتاع فؤاده أي احترق من الشوق ومنه قولهم أتان لاعة الفؤاد إلى جحشها قال الأصمعي أي لائعة الفؤاد وهي التي كأنها ولهى من الفزع فصل

wabil-sayyib §407wabil-sayyibArabic sense: الفزع, فزع

| الفصل الرابع في اذكار الفزع في النوم والفكر

rawdat-muhibbin §2387rawdat-muhibbinArabic sense: الفزع, فزع

وقال أبو هريرة وابن عباس رضي الله عنهم خطب رسول الله صلى الله عليه وسلم قبل وفاته فقال في خطبته ومن قدر على امرأة أو جارية حراما فتركها مخافة من الله أمنه الله يوم الفزع الأكبر وحرمه على النار وأدخله الجنة

Research library

المكتبة البحثية1,226 works held

Peer-reviewed work held with its DOI and abstract, labelled with the study design its publication types report. None of it has been read or assessed, so nothing here may be cited as showing anything. Retracted work is held for the record but never listed; a review that a later version replaced is listed under its replacement and marked.

10.1016/j.biopsycho.2006.01.006Biological psychology (2006)MEDLINE-indexed journal, not yet read by us; matched on Conditioning, Classical, Extinction, Psychological, Fear, Amygdala, fear conditioning

Extending animal models of fear conditioning to humans.: A goal of fear and anxiety research is to understand how to treat the potentially devastating effects of anxiety disorders in humans. Much of this research utilizes classical fear conditioning, a simple paradigm that has been extensively investigated in animals, helping outline a brain circuitry thought to be responsible for the acquisition, expression and extinction of fear. The findings from non-human animal research have more recently been substantiated and extended in humans, using neuropsyc

10.1016/j.biopsycho.2006.01.008Biological psychology (2006)MEDLINE-indexed journal, not yet read by us; matched on Conditioning, Classical, Extinction, Psychological, Fear, Amygdala, fear extinction

Fear extinction in rats: implications for human brain imaging and anxiety disorders.: Fear extinction is the decrease in conditioned fear responses that normally occurs when a conditioned stimulus (CS) is repeatedly presented in the absence of the aversive unconditioned stimulus (US). Extinction does not erase the initial CS-US association, but is thought to form a new memory. After extinction training, extinction memory competes with conditioning memory for control of fear expression. Deficits in fear extinction are thought to contribute to post-traumatic stress disorder (PTSD).

10.1016/j.jpsychires.2008.01.017Journal of psychiatric research (2008)MEDLINE-indexed journal, not yet read by us; matched on Conditioning, Classical, Extinction, Psychological, Fear, fear conditioning, fear extinction

Presence and acquired origin of reduced recall for fear extinction in PTSD: results of a twin study.: Recall of fear extinction, which is thought to aid in recovery from a psychologically traumatic event, is hypothesized to be deficient in post-traumatic stress disorder (PTSD), but this has not yet been demonstrated in the laboratory, nor has its origin been investigated. To address these two issues, 14 pairs of monozygotic twins discordant for combat exposure, in 7 of which the combat-exposed twin had PTSD, underwent a two-day fear conditioning and extinction procedure. On Day 1, subjects viewe

10.1016/j.nlm.2016.05.007Neurobiology of learning and memory (2016)MEDLINE-indexed journal, not yet read by us; matched on Conditioning, Classical, Extinction, Psychological, Fear, fear conditioning, fear extinction

The effects of transcutaneous vagus nerve stimulation on conditioned fear extinction in humans.: A critical component of the treatment for anxiety disorders is the extinction of fear via repeated exposure to the feared stimulus. This process is strongly dependent on successful memory formation and consolidation. Stimulation of the vagus nerve enhances memory formation in both animals and humans. The objective of this study was to assess whether transcutaneous stimulation of the vagus nerve (tVNS) can accelerate extinction memory formation and retention in fear conditioned humans. To assess

10.1017/s0033291719001387Psychological medicine (2020)MEDLINE-indexed journal, not yet read by us; matched on Conditioning, Classical, Extinction, Psychological, Fear, fear conditioning

Neural signatures of conditioning, extinction learning, and extinction recall in posttraumatic stress disorder: a meta-analysis of functional magnetic resonance imaging studies.: Background: Establishing neurobiological markers of posttraumatic stress disorder (PTSD) is essential to aid in diagnosis and treatment development. Fear processing deficits are central to PTSD, and their neural signatures may be used as such markers. Methods: Here, we conducted a meta-analysis of seven Pavlovian fear conditioning fMRI studies comparing 156 patients with PTSD and 148 trauma-exposed healthy controls (TEHC) using seed-based d-mapping, to contrast neural correlates of experimental

10.1523/jneurosci.2713-18.2019The Journal of neuroscience : the official journal of the Society for Neuroscience (2019)MEDLINE-indexed journal, not yet read by us; matched on Conditioning, Classical, Extinction, Psychological, Fear, fear extinction

Role of Human Ventromedial Prefrontal Cortex in Learning and Recall of Enhanced Extinction.: Standard fear extinction relies on the ventromedial prefrontal cortex (vmPFC) to form a new memory given the omission of threat. Using fMRI in humans, we investigated whether replacing threat with novel neutral outcomes (instead of just omitting threat) facilitates extinction by engaging the vmPFC more effectively than standard extinction. Computational modeling of associability (indexing surprise strength and dynamically modulating learning rates) characterized skin conductance responses and vm

Research library, full list

676 to 700 of 1,226
Geugies H, Mocking RJT, Figueroa CA, Groot PFC, Marsman JC, Servaas MN, Steele JD, Schene AH, Ruhé HG (2019)MEDLINE-indexed journal, not yet read by usBrain : a journal of neurology48 citations

Impaired reward-related learning signals in remitted unmedicated patients with recurrent depression.

One of the core symptoms of major depressive disorder is anhedonia, an inability to experience pleasure. In patients with major depressive disorder, a dysfunctional reward-system may exist, with blunted temporal difference reward-related learning signals in the ventral striatum and increased temporal difference-related (dopaminergic) activation in the ventral tegmental area. Anhedonia often remains as residual symptom during remission; however, it remains largely unknown whether the abovementioned reward systems are still dysfunctional when patients are in remission. We used a Pavlovian classical conditioning functional MRI task to explore the relationship between anhedonia and the temporal difference-related response of the ventral tegmental area and ventral striatum in medication-free remitted recurrent depression patients (n = 36) versus healthy control subjects (n = 27). Computationa

matched on Conditioning, Classical (mesh)

A VTA GABAergic Neural Circuit Mediates Visually Evoked Innate Defensive Responses.

Innate defensive responses are essential for animal survival and are conserved across species. The ventral tegmental area (VTA) plays important roles in learned appetitive and aversive behaviors, but whether it plays a role in mediating or modulating innate defensive responses is currently unknown. We report that VTAGABA+ neurons respond to a looming stimulus. Inhibition of VTAGABA+ neurons reduced looming-evoked defensive flight behavior, and photoactivation of these neurons resulted in defense-like flight behavior. Using viral tracing and electrophysiological recordings, we show that VTAGABA+ neurons receive direct excitatory inputs from the superior colliculus (SC). Furthermore, we show that glutamatergic SC-VTA projections synapse onto VTAGABA+ neurons that project to the central nucleus of the amygdala (CeA) and that the CeA is involved in mediating the defensive behavior. Our findi

matched on Fear (mesh)

Hansen Wheat C, Fitzpatrick JL, Rogell B, Temrin H (2019)MEDLINE-indexed journal, not yet read by usNature communications39 citations

Behavioural correlations of the domestication syndrome are decoupled in modern dog breeds.

Domestication is hypothesized to drive correlated responses in animal morphology, physiology and behaviour, a phenomenon known as the domestication syndrome. However, we currently lack quantitative confirmation that suites of behaviours are correlated during domestication. Here we evaluate the strength and direction of behavioural correlations among key prosocial (sociability, playfulness) and reactive (fearfulness, aggression) behaviours implicated in the domestication syndrome in 76,158 dogs representing 78 registered breeds. Consistent with the domestication syndrome hypothesis, behavioural correlations within prosocial and reactive categories demonstrated the expected direction-specificity across dogs. However, correlational strength varied between dog breeds representing early (ancient) and late (modern) stages of domestication, with ancient breeds exhibiting exaggerated correlation

matched on Fear (mesh)

Bodner E, Bergman YS (2019)MEDLINE-indexed journal, not yet read by usResearch on aging9 citations

The Utility of a Positive Body Image Among Community-Dwelling Older Adults Who Perceive Death to Be Near and Fear It.

Physical changes are an inevitable part of the aging process. However, research has demonstrated inconclusive findings with regard to body image among older adults. This study attempts to clarify the utility of body image among this age-group, by adopting the framework of terror management theory. It is suggested that a positive body image may moderate the connection between two types of death concerns and psychological distress: subjective nearness-to-death and death anxiety. A convenience sample of 386 community-dwelling older adults, aged 60-97, filled scales measuring subjective nearness-to-death, positive body image, psychological distress, and death anxiety. A significant negative association was found between a positive body image and distress. Moreover, positive body image moderated the connection between distress and both subjective nearness-to-death and death anxiety. Thus, hol

matched on Fear (mesh)

Griffiths RR, Hurwitz ES, Davis AK, Johnson MW, Jesse R (2019)MEDLINE-indexed journal, not yet read by usPloS one108 citations

Survey of subjective "God encounter experiences": Comparisons among naturally occurring experiences and those occasioned by the classic psychedelics psilocybin, LSD, ayahuasca, or DMT.

Naturally occurring and psychedelic drug-occasioned experiences interpreted as personal encounters with God are well described but have not been systematically compared. In this study, five groups of individuals participated in an online survey with detailed questions characterizing the subjective phenomena, interpretation, and persisting changes attributed to their single most memorable God encounter experience (n = 809 Non-Drug, 1184 psilocybin, 1251 lysergic acid diethylamide (LSD), 435 ayahuasca, and 606 N,N-dimethyltryptamine (DMT)). Analyses of differences in experiences were adjusted statistically for demographic differences between groups. The Non-Drug Group was most likely to choose "God" as the best descriptor of that which was encountered while the psychedelic groups were most likely to choose "Ultimate Reality." Although there were some other differences between non-drug and

matched on Fear (mesh)

Clauss JA, Avery SN, Benningfield MM, Blackford JU (2019)MEDLINE-indexed journal, not yet read by usDepression and anxiety76 citations

Social anxiety is associated with BNST response to unpredictability.

Background: Anxiety disorders are highly prevalent and cause substantial suffering and impairment. Whereas the amygdala has well-established contributions to anxiety, evidence from rodent and nonhuman primate models suggests that the bed nucleus of the stria terminalis (BNST) may play a critical, and possibly distinct, role in human anxiety disorders. The BNST mediates hypervigilance and anticipatory anxiety in response to an unpredictable or ambiguous threat, core symptoms of social anxiety, yet little is known about the BNST's role in social anxiety. Methods: Functional magnetic resonance imaging was used to measure neural responses during a cued anticipation task with an unpredictable, predictable threat, and predictable neutral cues followed by threat or neutral images. Social anxiety was examined using a dimensional approach (N = 44 adults). Results: For unpredictable cues, higher s

matched on Fear (mesh)

Goode TD, Ressler RL, Acca GM, Miles OW, Maren S (2019)MEDLINE-indexed journal, not yet read by useLife111 citations

Bed nucleus of the stria terminalis regulates fear to unpredictable threat signals.

The bed nucleus of the stria terminalis (BNST) has been implicated in conditioned fear and anxiety, but the specific factors that engage the BNST in defensive behaviors are unclear. Here we examined whether the BNST mediates freezing to conditioned stimuli (CSs) that poorly predict the onset of aversive unconditioned stimuli (USs) in rats. Reversible inactivation of the BNST selectively reduced freezing to CSs that poorly signaled US onset (e.g., a backward CS that followed the US), but did not eliminate freezing to forward CSs even when they predicted USs of variable intensity. Additionally, backward (but not forward) CSs selectively increased Fos in the ventral BNST and in BNST-projecting neurons in the infralimbic region of the medial prefrontal cortex (mPFC), but not in the hippocampus or amygdala. These data reveal that BNST circuits regulate fear to unpredictable threats, which may

matched on Fear (mesh)

A Critical Role for Neocortical Processing of Threat Memory.

Memory of cues associated with threat is critical for survival and a leading model for elucidating how sensory information is linked to adaptive behavior by learning. Although the brain-wide circuits mediating auditory threat memory have been intensely investigated, it remains unclear whether the auditory cortex is critically involved. Here we use optogenetic activity manipulations in defined cortical areas and output pathways, viral tracing, pathway-specific in vivo 2-photon calcium imaging, and computational analyses of population plasticity to reveal that the auditory cortex is selectively required for conditioning to complex stimuli, whereas the adjacent temporal association cortex controls all forms of auditory threat memory. More temporal areas have a stronger effect on memory and more neurons projecting to the lateral amygdala, which control memory to complex stimuli through a bal

matched on Fear (mesh)

Anders KM, Olmstead SB (2019)MEDLINE-indexed journal, not yet read by usArchives of sexual behavior3 citations

A Qualitative Examination of the Sexual Possible Selves and Strategies of First-Semester College Students: How Sexual Possible Selves are Developed During the Transition to College.

According to the possible selves theory, individuals have possible selves that they hope to attain, or feared selves they hope to avoid, in the proximal future. In addition, individuals may have strategies they use to help them attain these possible selves or avoid their feared selves. Recent work has applied this theory to the realm of sexuality (i.e., sexual possible selves; SPS) in the developmental period of emerging adulthood, as this period is considered a time of increased sexual identity development. The purpose of this study was to extend this research by conducting semi-structured qualitative interviews with a sample of first-semester college-attending emerging adults (N = 35) at a 4-year university. We examined the developmental influences on expected and feared SPS to better understand why various internalized expectations develop. Interviews were conducted during the first f

matched on Fear (mesh)

Caspi-Berkowitz N, Mikulincer M, Hirschberger G, Ein-Dor T, Shaver PR (2019)MEDLINE-indexed journal, not yet read by usJournal of personality and social psychology2 citations

To die for a cause but not for a companion: Attachment-related variations in the terror management function of self-sacrifice.

In 8 studies, we examined the terror management function of self-sacrifice and the moderating role of attachment orientations. Studies 1-5 focused on readiness to self-sacrifice for a cause, whereas Studies 6-8 focused on self-sacrifice to save a relationship partner's life. In Studies 1-3 and 6, we examined whether mortality salience increases readiness to self-sacrifice. In Studies 4-5 and 7-8, we examined the defensive nature and anxiety-buffering role of self-sacrifice-that is, whether providing another terror management defense reduces the readiness to self-sacrifice following mortality salience and whether thoughts about self-sacrifice mitigate death-thought accessibility. Findings indicated that self-sacrifice for a cause served a terror management function mainly among attachment-anxious participants, whereas self-sacrifice for a relationship partner served this defensive functio

matched on Fear (mesh)

MoghaddamHosseini V, Makai A, Varga K, Ács P, Prémusz V, Várnagy Á (2019)MEDLINE-indexed journal, not yet read by usPsychology, health & medicine10 citations

Assessing fear of childbirth and its predictors among Hungarian pregnant women using Wijma Delivery Expectancy/Experience Questionnaire subscales.

This study aimed to assess fear of childbirth (FOB) among Hungarian pregnant women and determine predictors based on WDEQ-A subscales. This cross-sectional study was conducted among 423 healthy pregnant women during their third trimester. A socio-demographic and obstetrics characteristics, the Hungarian version of WDEQ-A, Beck Depression Inventory-Short Form and Beck Anxiety Inventory were used. The analysis was performed using multivariate linear regression. Among four WDEQ-A subscales, Fear (19%) and Lack of positive emotion (13%) obtained the largest and smallest percentages of cases with severe FOB. The nulliparous obtained significantly higher mean score in subscales Isolation and Lack of positive emotion compared to the multiparous. Anxiety was the most common predictor for all subscales in both groups. In the nulliparous group, significant predictors included economic hardship for

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You ZB, Bi GH, Galaj E, Kumar V, Cao J, Gadiano A, Rais R, Slusher BS, Gardner EL, Xi ZX, Newman AH (2019)MEDLINE-indexed journal, not yet read by usNeuropsychopharmacology : official publication of the American College of Neuropsychopharmacology69 citations

Dopamine D3R antagonist VK4-116 attenuates oxycodone self-administration and reinstatement without compromising its antinociceptive effects.

Prescription opioids such as oxycodone are highly effective analgesics for clinical pain management, but their misuse and abuse have led to the current opioid epidemic in the United States. In order to ameliorate this public health crisis, the development of effective pharmacotherapies for the prevention and treatment of opioid abuse and addiction is essential and urgently required. In this study, we evaluated-in laboratory rats-the potential utility of VK4-116, a novel and highly selective dopamine D3 receptor (D3R) antagonist, for the prevention and treatment of prescription opioid use disorders. Pretreatment with VK4-116 (5-25 mg/kg, i.p.) dose-dependently inhibited the acquisition and maintenance of oxycodone self-administration. VK4-116 also lowered the break-point (BP) for oxycodone self-administration under a progressive-ratio schedule of reinforcement, shifted the oxycodone dose-

matched on Extinction, Psychological (mesh)

Fractionating Blunted Reward Processing Characteristic of Anhedonia by Over-Activating Primate Subgenual Anterior Cingulate Cortex.

Anhedonia is a core symptom of depression, but the underlying neurobiological mechanisms are unknown. Correlative neuroimaging studies implicate dysfunction within ventromedial prefrontal cortex, but the causal roles of specific subregions remain unidentified. We addressed these issues by combining intracerebral microinfusions with cardiovascular and behavioral monitoring in marmoset monkeys to show that over-activation of primate subgenual anterior cingulate cortex (sgACC, area 25) blunts appetitive anticipatory, but not consummatory, arousal, whereas manipulations of adjacent perigenual ACC (pgACC, area 32) have no effect. sgACC/25 over-activation also reduces the willingness to work for reward. 18F-FDG PET imaging reveals over-activation induced metabolic changes in circuits involved in reward processing and interoception. Ketamine treatment ameliorates the blunted anticipatory arousa

matched on Conditioning, Classical (mesh)

Hogarth L, Lam-Cassettari C, Pacitti H, Currah T, Mahlberg J, Hartley L, Moustafa A (2019)MEDLINE-indexed journal, not yet read by usThe European journal of neuroscience55 citations

Intact goal-directed control in treatment-seeking drug users indexed by outcome-devaluation and Pavlovian to instrumental transfer: critique of habit theory.

Animal studies have demonstrated that chronic exposure to drugs of abuse impairs goal-directed control over action selection indexed by the outcome-devaluation and specific Pavlovian to instrumental transfer procedures, suggesting this impairment might underpin addiction. However, there is currently only weak evidence for impaired goal-directed control in human drug users. Two experiments were undertaken in which treatment-seeking drug users and non-matched normative reference samples (controls) completed outcome-devaluation and specific Pavlovian to instrumental transfer procedures notionally translatable to animal procedures (Experiment 2 used a more challenging biconditional schedule). The two experiments found significant outcome-devaluation and specific Pavlovian to instrumental transfer effects overall and there was no significant difference between groups in the magnitude of these

matched on Conditioning, Classical (mesh)

Williams B, Ospina JP, Jalilianhasanpour R, Fricchione GL, Perez DL (2019)MEDLINE-indexed journal, not yet read by usThe Journal of neuropsychiatry and clinical neurosciences37 citations

Fearful Attachment Linked to Childhood Abuse, Alexithymia, and Depression in Motor Functional Neurological Disorders.

Insecure attachment is a predisposing risk factor for the development of functional neurological disorder (FND). There is limited research investigating connections between attachment styles, other predisposing vulnerabilities, and symptom severity in patients with motor FND. By using a within-group design with prospective data collection, the authors performed univariate tests followed by multivariate linear regressions to investigate neuropsychiatric factors associated with four attachment styles (secure, fearful, preoccupied, and dismissing) among 56 patients with motor FND (mean age=40.2 years [SD=13.0]; women, N=41; men, N=15). In univariate analyses, fearful attachment style was associated with self-reported adverse life event burden, alexithymia, dissociation, depression, anxiety, impaired stress coping skills, functional neurologic symptom severity, and marital status. In a multi

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Schoenberg HL, Sola EX, Seyller E, Kelberman M, Toufexis DJ (2019)MEDLINE-indexed journal, not yet read by usBehavioral neuroscience30 citations

Female rats express habitual behavior earlier in operant training than males.

Habitual behavior can be advantageous by increasing the availability of cognitive resources for use in other tasks. However, habitual behaviors are problematic when they are coopted to prolong the maladaptive responding present in several psychopathologies such as substance abuse, dysregulated fear responding in posttraumatic stress disorder, and obsessive-compulsive disorder. Although sex differences exist in the occurrence or progression of these psychopathologies, there are no studies that compare the development of habitual behavior systematically in male and female animals. In the present study, male and female rats were identically trained on a variable interval 30-s (VI 30-s) schedule of reinforcement to nose-poke for sucrose pellet reinforcers. Subsequently, the sucrose was devalued in one half of the animals by pairing its presentation with injections of lithium chloride (LiCl)

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Birk SL, Horenstein A, Weeks J, Olino T, Heimberg R, Goldin PR, Gross JJ (2019)MEDLINE-indexed journal, not yet read by usJournal of anxiety disorders10 citations

Neural responses to social evaluation: The role of fear of positive and negative evaluation.

One of the core features of social anxiety disorder (SAD) is the persistent fear of being evaluated. Fear of evaluation includes fear of negative evaluation (FNE) and fear of positive evaluation (FPE). Few studies have examined the relationship between self-reported FNE and FPE and neural responses to simulated negative and positive social evaluation. In the current study, 56 participants, 35 with SAD and 21 healthy controls, completed questionnaires to assess dimensions of social anxiety including FNE and FPE, as well as symptoms of anxiety and depression. Participants also completed a social evaluation task, which involved viewing people delivering criticism and praise, and a control task, which involved counting asterisks, during functional magnetic resonance imaging. Although whole-brain analyses did not reveal significant associations between self-reported constructs and neural resp

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Moreno PI, Dooley LN, Bower JE (2018)MEDLINE-indexed journal, not yet read by usJournal of psychosocial oncology6 citations

Unique associations of eudaimonic and hedonic wellbeing with psychosocial adjustment in breast cancer survivors.

Purpose: Eudaimonic wellbeing (e.g., meaning, purpose in life) and hedonic wellbeing (e.g., happiness, life satisfaction) are related but conceptually distinct facets of wellbeing. Eudaimonic wellbeing is highly underexplored in cancer research despite its relevance to important existential concerns faced by cancer survivors. Therefore, this study examined the unique associations of eudaimonic and hedonic wellbeing with adjustment in breast cancer survivors. Methods: Women diagnosed with early-stage breast cancer within two years (N = 64) were recruited through the UCLA Tumor Registry and completed self-report questionnaires (Mental Health Continuum - Short Form Scale, Posttraumatic Growth Inventory, Social Provisions Scale, Quality of Life in Adult Cancer Survivors Scale, Center for Epidemiological Studies - Depression Scale, Pittsburgh Sleep Quality Index, Fatigue Symptom Inventory, Pe

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Grammes J, Schäfer M, Benecke A, Löw U, Klostermann AL, Kubiak T, Witthöft M (2018)MEDLINE-indexed journal, not yet read by usJournal of psychosomatic research21 citations

Fear of hypoglycemia in patients with type 2 diabetes: The role of interoceptive accuracy and prior episodes of hypoglycemia.

Objective: Fear of hypoglycemia (FoH) is a limiting factor for diabetes self-management and can have detrimental effects on quality of life. However, relatively little is known about its underlying mechanisms. In line with findings on patients with anxiety disorders, we hypothesized that interoceptive accuracy (IA) might be positively linked to FoH in patients with type 2 diabetes (T2DM). Methods: 133 patients with T2DM were screened according to the extreme quartiles of the Hypoglycemia Fear Survey worry subscale (HFS-W). Overall, 66 participants (HFS-W<4; HFS-W>17) were included in the present study. Participants completed questionnaires on sociodemographic and diabetes-related measures. Accuracy of heartbeat perception was assessed using the mental tracking task. Results: Contrary to expectations, IA did not differ significantly between patients with low and high FoH. A linear regress

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Chung MP, Thang CK, Vermillion M, Fried JM, Uijtdehaage S (2018)MEDLINE-indexed journal, not yet read by usMedical education online54 citations

Exploring medical students' barriers to reporting mistreatment during clerkships: a qualitative study.

Background: Despite widespread implementation of policies to address mistreatment, the proportion of medical students who experience mistreatment during clinical training is significantly higher than the proportion of students who report mistreatment. Understanding barriers to reporting mistreatment from students' perspectives is needed before effective interventions can be implemented to improve the clinical learning environment. Objective: We explored medical students' reasons for not reporting perceived mistreatment or abuse experienced during clinical clerkships at the David Geffen School of Medicine at UCLA (DGSOM). Design: This was a sequential two-phase qualitative study. In the first phase, we analyzed institutional survey responses to an open-ended questionnaire administered to the DGSOM graduating classes of 2013-2015 asking why students who experienced mistreatment did not see

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Casale S, Rugai L, Fioravanti G (2018)MEDLINE-indexed journal, not yet read by usAddictive behaviors88 citations

Exploring the role of positive metacognitions in explaining the association between the fear of missing out and social media addiction.

The present study aimed to investigate: a) the contribution of the fear of missing out (FoMO) in explaining social media problematic use taking also into account the fear of being negatively evaluated and the perception of low self-presentational skills; b) the mediating role of positive metacognitions about social media use in the relationship between FoMO and social media problematic use. A sample of 579 undergraduates was recruited (54.6% F; mean age = 22.39 ± 2.82). Among females, the assessed structural model produced good fit to the data [χ2 = 101.11, df = 52, p < .001; RMSEA = 0.05 (90% C.I. =0.04-0.07), CFI = 0.98, SRMR = 0.05]. FoMO and self-presentational skills were both directly and indirectly associated with social media problematic use through the mediation of positive metacognitions. Fear of negative evaluation was not associated with social media problematic use. Among ma

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Valentini E, Gyimes IL (2018)MEDLINE-indexed journal, not yet read by usBiological psychology1 citations

Visual cues of threat elicit greater steady-state electroencephalographic responses than visual reminders of death.

Terror management theory (TMT) suggests that reminders of death activate an exclusive anxiety mechanism different from the one activated by other types of symbolic threats. This notion is supported by evidence showing how experimental participants verbally reflecting on their own death are then influenced in their opinions and behaviours. A previous study showed that magnitude of electroencephalography (EEG) activity is greater when images depicting death-related content are coupled with painful thermal stimuli compared to threat-related content. Here we expand on previous research by testing whether similar effects may be brought about by passive observation of generic visual reminders of death. More precisely, we hypothesised that fast periodic presentation of death-related vs. more generic threat-related images determine a preferential modulation of brain activity measured by means of

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Shim EJ, Lee JW, Min YH (2018)MEDLINE-indexed journal, not yet read by usPsycho-oncology20 citations

Does depression decrease the moderating effect of self-efficacy in the relationship between illness perception and fear of progression in breast cancer?

Objective: Fear of progression (FOP) is a prevalent concern among breast cancer patients that affect their adjustment to disease. This study examined whether self-efficacy moderates the effect of illness perception (IP) on FOP and whether the moderating effect of self-efficacy depends on the level of depressive symptoms. Methods: A cross-sectional survey including brief illness perception questionnaire (BIPQ), FOP short form, general self-efficacy scale, and the center for epidemiologic studies depression scale were administered to 245 patients with breast cancer in Korea. Results: Self-efficacy moderated the negative impact of the patients' perception of chronic timeline and a greater emotional impact of the illness on FOP. However, the moderating effect of self-efficacy of the BIPQ timeline and emotions on FOP depended on level of depressive symptoms. Conclusions: The findings undersco

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Thompson EH, Lensjø KK, Wigestrand MB, Malthe-Sørenssen A, Hafting T, Fyhn M (2018)MEDLINE-indexed journal, not yet read by usProceedings of the National Academy of Sciences of the United States of America94 citations

Removal of perineuronal nets disrupts recall of a remote fear memory.

Throughout life animals learn to recognize cues that signal danger and instantaneously initiate an adequate threat response. Memories of such associations may last a lifetime and far outlast the intracellular molecules currently found to be important for memory processing. The memory engram may be supported by other more stable molecular components, such as the extracellular matrix structure of perineuronal nets (PNNs). Here, we show that recall of remote, but not recent, visual fear memories in rats depend on intact PNNs in the secondary visual cortex (V2L). Supporting our behavioral findings, increased synchronized theta oscillations between V2L and basolateral amygdala, a physiological correlate of successful recall, was absent in rats with degraded PNNs in V2L. Together, our findings suggest a role for PNNs in remote memory processing by stabilizing the neural network of the engram.

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Taschereau-Dumouchel V, Cortese A, Chiba T, Knotts JD, Kawato M, Lau H (2018)MEDLINE-indexed journal, not yet read by usProceedings of the National Academy of Sciences of the United States of America110 citations

Towards an unconscious neural reinforcement intervention for common fears.

Can "hardwired" physiological fear responses (e.g., for spiders and snakes) be reprogramed unconsciously in the human brain? Currently, exposure therapy is among the most effective treatments for anxiety disorders, but this intervention is subjectively aversive to patients, causing many to drop out of treatment prematurely. Here we introduce a method to bypass the subjective unpleasantness in conscious exposure, by directly pairing monetary reward with unconscious occurrences of decoded representations of naturally feared animals in the brain. To decode physiological fear representations without triggering excessively aversive reactions, we capitalize on recent advancements in functional magnetic resonance imaging decoding techniques, and use a method called hyperalignment to infer the relevant representations of feared animals for a designated participant based on data from other "surro

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