Abstract:
:Time perception is compromised in emotional situations, yet our ability to remember these events is enhanced. Here we suggest how the two phenomena might be functionally linked and describe the neural networks that underlie this association. We found that participants perceived an emotionally aversive stimulus longer than it was, compared to an immediately following neutral stimulus. These time estimation errors were in the same trials associated with better recognition memory for the emotionally aversive stimuli and poorer memory for the neutral stimuli. Functional imaging revealed that the superior frontal gyrus was activated during time perception with aversive stimuli, and the amygdala, putamen and insula showed activations that are specific to time estimation errors in this aversive context. We further found that activity in the insula and putamen was correlated with memory performance but only during over-estimation of time with the aversive stimuli. We suggest that processing is accelerated during the experience of emotionally aversive events, presumably in the service of memory-related operations, resulting in better encoding but at the expense of time perception accuracy.
journal_name
Neuroimagejournal_title
NeuroImageauthors
Dirnberger G,Hesselmann G,Roiser JP,Preminger S,Jahanshahi M,Paz Rdoi
10.1016/j.neuroimage.2012.06.041subject
Has Abstractpub_date
2012-10-15 00:00:00pages
591-9issue
1eissn
1053-8119issn
1095-9572pii
S1053-8119(12)00656-8journal_volume
63pub_type
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