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Time-frequency theta and delta measures index separable components of feedback processing in a gambling task. Psychophysiology 2015 May;52(5):626-37

Date

01/13/2015

Pubmed ID

25581491

Pubmed Central ID

PMC4398588

DOI

10.1111/psyp.12390

Scopus ID

2-s2.0-84927691423 (requires institutional sign-in at Scopus site)   94 Citations

Abstract

Previous work using gambling tasks indicate that the feedback negativity (FN) reflects primary or salient stimulus attributes (often gain vs. loss), whereas the feedback-P300 appears sensitive to secondary stimulus information. A recent time-frequency approach has characterized separable theta (3-7 Hz) and delta (0-3 Hz) feedback processes, independently sensitive to primary feedback attributes, specifically loss and gain outcomes, respectively. The current study extends this time-frequency work to evaluate both primary and secondary (relative outcome and outcome magnitude) feedback attributes. Consistent with previous reports, theta indexed an initial, lower-level response sensitive to the primary (most salient) feedback attributes (specifically losses), while delta was sensitive to both primary attributes (specifically gains) and assessed secondary stimulus features.

Author List

Bernat EM, Nelson LD, Baskin-Sommers AR

Author

Lindsay D. Nelson PhD Associate Professor in the Neurosurgery department at Medical College of Wisconsin




MESH terms used to index this publication - Major topics in bold

Adolescent
Adult
Delta Rhythm
Evoked Potentials
Feedback, Psychological
Female
Gambling
Humans
Male
Reward
Theta Rhythm
Young Adult