期刊
NEUROREPORT
卷 17, 期 15, 页码 1649-1653出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/01.wnr.0000236866.39328.1d
关键词
anterior cingulate cortex; feedback-related negativity; outcome evaluation; outcome expectation; reinforcement learning
Feedback-related negativity is a negative deflection in brain potentials associated with feedback indicating monetary losses or response errors. Feedback-related negativity is studied primarily in paradigms in which participants experience negative outcomes that appear to be contingent upon their previous choices. This study investigated whether feedback-related negativity can be elicited by a randomly assigned cue indicating potential monetary loss. The expected loss or win can be materialized or averted depending on participants' performance in a subsequent game. Compared with the win cue, the loss cue elicited a weak but significant feedback-related negativity-like effect. It is suggested that the anterior cingulate cortex, which generates feedback-related negativity, may function as a pre-warning system that alerts the brain to get ready for future events.
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