Abstract：
:The feedback negativity (FN) event-related potential (ERP) is widely studied during gambling feedback tasks. However, research on FN and anxiety is minimal and the findings are mixed. To clarify these discrepancies, the current study (N = 238) used time-frequency analysis to disentangle overlapping contributions of delta (0-3 Hz) and theta (3-7 Hz) to feedback processing in a clinically anxious sample, with severity assessed through general worry and physiological arousal scales. Greater general worry showed enhanced delta- and theta-FN broadly across both gain and loss conditions, with theta-FN stronger for losses. Regressions indicated delta-FN maintained unique effects, accounted for theta, and explained the blunted time domain FN for general worry. Increased delta was also associated with physiological arousal, but the effects were accounted for by general worry. Broadly, anxiety-related alterations in feedback processing can be explained by an overall heightened sensitivity to feedback as represented by enhanced delta-FN in relation to the general worry facet of anxiety.
journal_name
Biol Psycholjournal_title
Biological psychologyauthors
Ellis JS,Watts ATM,Schmidt N,Bernat EMdoi
10.1016/j.biopsycho.2018.05.001subject
Has Abstractpub_date
2018-07-01 00:00:00pages
1-12eissn
0301-0511issn
1873-6246pii
S0301-0511(18)30362-4journal_volume
136pub_type
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