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Representational similarity analysis offers a preview of the noradrenergic modulation of long-term fear memory at the time of encoding
2015
Psychoneuroendocrinology
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Representational similarity analysis offers a preview of the noradrenergic modulation of long-term fear memory at the time of encoding Visser, R.M.; Kunze, A.E.; Westhoff, B.; Scholte, H.S.; Kindt, M. ...
Vonk for supervising the medical aspects of the study and A. Eigenhuis for blinding and counterbalancing of the experimental procedure and statistical advice.
Appendix A. ...
Both pupil dilation and neural pattern similarity showed strong differential fear responses during each experimental phase. ...
doi:10.1016/j.psyneuen.2015.01.021
pmid:25705798
fatcat:rwelscmd3vdjjoebp344bxgc2a
Intolerance of uncertainty predicts fear extinction in amygdala-ventromedial prefrontal cortical circuitry
2015
Biology of Mood & Anxiety Disorders
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During the task, pupil dilation, skin conductance response, and functional magnetic resonance imaging were acquired. ...
Similar patterns of IU and extinction learning were found for pupil dilation. The results were specific for IU and did not generalize to self-reported trait anxiety. ...
The authors thank the participants who took part in this study and members of the CINN, Dave Johnson, BJ Casey, and the reviewers of the manuscript for their advice. ...
doi:10.1186/s13587-015-0019-8
pmid:26161254
pmcid:PMC4496864
fatcat:3sq2oa7kznhfjnhks2wbdiwabe
Persistence of Amygdala–Hippocampal Connectivity and Multi-Voxel Correlation Structures During Awake Rest After Fear Learning Predicts Long-Term Expression of Fear
2016
Cerebral Cortex
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Intraregional multi-voxel correlation structures within amygdala and hippocampus sampled during a block of differential fear conditioning furthermore persisted after fear learning. ...
For conditioned fear, animal models postulate that consolidation involves reactivations of neuronal assemblies supporting fear learning during postlearning "offline" periods. ...
Funding
Notes Conflict of Interest: None declared. ...
doi:10.1093/cercor/bhw145
pmid:27242028
pmcid:PMC6059183
fatcat:h6fva22esfg77mtmsveyky6nga
A translational bridge between mouse and human models of learned safety
2010
Annals of Medicine
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We present a translational bridge between mouse and human models of learned safety in which cellular and molecular insights from animal experiments are extended to the human neural circuitry. ...
Learned safety is established by negatively correlating the occurrence of a neutral stimulus and a noxious stimulus, which renders the previously neutral stimulus a 'safety signal'. ...
Pollak
Declaration of interest: The authors report no biomedical fi nancial interests or other confl icts of interest. ...
doi:10.3109/07853890903583666
pmid:20121549
fatcat:k4cyxxbjvvesphiyxbe5tkw6hi
The influence of acoustic startle probes on fear learning in humans
2018
European Neuropsychopharmacology
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The influence of acoustic startle probes on fear learning in humans de Haan, M.I.C.; van Well, S.M.; Visser, R.M.; Scholte, H.S.; van Wingen, G.A.; Kindt, M. ...
This work was supported by a Vici grant to Merel Kindt (#453-07-006) from the Netherlands Organization for Scientific Research and an Amsterdam Brain and Cognition project grant from the University of ...
In humans, pupil dilation response has been shown to occur in anticipation of the US during fear conditioning 15, [29] [30] [31] [32] . ...
doi:10.1016/j.euroneuro.2017.12.110
fatcat:go7tva6trzawlizep47cxyse6a
Short-term Effects of Vagus Nerve Stimulation on Learning and Evoked Activity in Auditory Cortex
2021
eNeuro
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VNS induced brief dilation in the pupil, and the size of this change predicted the magnitude of persistent changes in the neural response. ...
Chronic vagus nerve stimulation (VNS) has been shown to facilitate learning, but effects of acute VNS on neural coding and behavior remain less well understood. ...
Shaheen in assistance with cuff electrode testing and data analysis of array recording; Luke A. Shaheen, Zachary P. ...
doi:10.1523/eneuro.0522-20.2021
pmid:34088737
fatcat:76aejnd6nvcq7gtfhsfbcb276y
Reappraising fear: is up-regulation more efficient than down-regulation?
2021
Motivation and Emotion
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Valence and arousal ratings indicated successful up- and down-regulation of the emotional experience, while heart rate and pupil dilation increased during up-regulation, but showed no reduction in down-regulation ...
State and trait anxiety correlated with evaluations of safety but not threat stimuli, which supports the role of deficient safety learning in anxiety. Reappraisal did not modulate this effect. ...
Acknowledgements We acknowledge the assistance of Maria A. M. Hoffmann in preparing the manuscript. Funding Open Access funding enabled and organized by Projekt DEAL. ...
doi:10.1007/s11031-021-09871-9
fatcat:efxn3u55bjauhipq3ijnskakla
A pupil size response model to assess fear learning
2016
Psychophysiology
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Current approaches to assess fear learning from pupil responses rely on ad hoc specifications. ...
Finally, we used our previously developed luminance-related pupil responses to infer the timing of the likely neural input into the pupillary system. ...
Fear learning, in this approach, is quantified by the amplitude of a cognitive input into the pupil system. ...
doi:10.1111/psyp.12801
pmid:27925650
pmcid:PMC5324687
fatcat:oo3ahweysrh4looowlcu6mcikm
How Emotions Are Shaped by Bodily States
2012
Emotion Review
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associated with subtypes of disgust; and (e) how pupil signals contribute to affective exchange. ...
The state of the body is central to guiding motivational behaviours. Here we discuss how afferent information from face and viscera influence the processing and communication of emotional states. ...
correlated with the degree of contagion of pupils) (Harrison et al., 2006) . ...
doi:10.1177/1754073911430132
fatcat:xnfigxjnxraxfifojf7iu4ink4
Noradrenergic responsiveness preserves selective attention across the adult life span
[article]
2019
bioRxiv
pre-print
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During the dichotic listening task, presentation of fear-conditioned stimuli reinstated the acquired fear response, as reflected in pupil and EEG alpha-beta-band responses. ...
Critically, pupil dilation to CS+ was correlated with stronger EEG alpha-beta desynchronization, suggesting a common dependence on NE release. On a behavioral level, NE release facilitated attention. ...
, fear conditioned Event-Related Desynchronization (ERD) and 650 Event-Related Pupil Responses (ERPR) to the arousal manipulation learned during 651 re/conditioning (teal (out)lines) were reinstated in ...
doi:10.1101/551879
fatcat:npqz62wkbnanpdvlaqm6lks74m
Freeze for action: neurobiological mechanisms in animal and human freezing
2017
Philosophical Transactions of the Royal Society of London. Biological Sciences
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occur as a function of sympathetic index (i.e. pupil dilation). ...
Stimulation of the central nucleus of the amygdala results in freezing, bradycardia and pupil dilation [43] , whereas lesions of the same area block both autonomic and behavioural fear reactions [40, ...
doi:10.1098/rstb.2016.0206
pmid:28242739
pmcid:PMC5332864
fatcat:j5kegkdcijcsdjnfeci2ipjyga
Direct voluntary control of pupil constriction and dilation: Exploratory evidence from pupillometry, optometry, skin conductance, perception, and functional MRI
2021
International Journal of Psychophysiology
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We present a single case who can change pupil size on command with dilation of pupil diameter of around 0.8 mm, and constriction of around 2.4 mm. ...
It still remains open where these neural signals enter the final pathway, either innervating the pupil's dilator directly, or more indirectly by inhibiting the parasympathetically innervated antagonistic ...
We would like to thank Sascha Malz for his great support running the optometric testing of the participant. ...
doi:10.1016/j.ijpsycho.2021.08.001
pmid:34391820
fatcat:76qnuqag5jhq5ai5lk7pkniu5e
Pupil Diameter May Reflect Motor Control and Learning
2016
Journal of Motor Behavior
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Furthermore, the authors also demonstrate that motor learning can be quantified by pupil size. ...
Non-luminance-mediated changes in pupil diameter have been used since the first studies by Darwin in 1872 as indicators of clinical, cognitive, and arousal states. ...
on pupil dilation of emotion and fear in humans and animals (Darwin, 1872) . ...
doi:10.1080/00222895.2016.1161593
pmid:27715716
fatcat:otyehqw52bgtxo34md4zucawey
Once you feel it, you see it: Insula and sensory-motor contribution to visual awareness for fearful bodies in parietal neglect
2015
Cortex
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Pupil dilation, which indexes autonomic arousal, increased for fearful more than for neutral bodies. ...
Moreover, dilation for extinguished fearful bodies was bigger than for consciously perceived fearful bodies. ...
Acknowledgments This study is dedicated to the precious memory of our friend and colleague Luca Latini Corazzini, whose contribution in testing patient M.P. and in analyzing pupillary data was crucial ...
doi:10.1016/j.cortex.2014.10.009
pmid:25465122
fatcat:ml3whtkjnfc5raz3h4awgjyjaa
A review of neuroimaging studies of race-related prejudice: does amygdala response reflect threat?
2014
Frontiers in Human Neuroscience
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An emergent trend in modern psychology has focused on understanding how cognition is linked to neural function, leading researchers to investigate the neural correlates of prejudice. ...
Prejudice is an enduring and pervasive aspect of human cognition. ...
UNCONSCIOUS RESPONSES TO PUPIL DILATION As mentioned earlier, gaze direction is only one form of socially relevant information conferred by the eyes; pupil dilation is another. ...
doi:10.3389/fnhum.2014.00179
pmid:24734016
pmcid:PMC3973920
fatcat:2skte2xmdnhedk3v6iiem5ygq4
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