The reward positivity: From basic research on reward to a biomarker for depression | Zendy

Proudfit Greg Hajcak | Zendy

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The reward positivity: From basic research on reward to a biomarker for depression

Author(s) -

Proudfit Greg Hajcak

Publication year - 2015

Publication title -

psychophysiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.661

H-Index - 156

eISSN - 1469-8986

pISSN - 0048-5772

DOI - 10.1111/psyp.12370

Subject(s) - negativity effect , psychology , event related potential , depressive symptoms , depression (economics) , negative feedback , major depressive disorder , electroencephalography , cognitive psychology , clinical psychology , neuroscience , mood , cognition , physics , quantum mechanics , voltage , economics , macroeconomics

Feedback indicating monetary loss elicits an apparent negative deflection in the event‐related potential ( ERP ) that has been referred to as the feedback error‐related negativity, medial frontal negativity, feedback‐related negativity, and feedback negativity—all conceptualizations that suggest a negative ERP component that is greater for loss than gain. In the current paper, I review a programmatic line of research indicating that this apparent negativity actually reflects a reward‐related positivity ( RewP ) that is absent or suppressed following nonreward. I situate the RewP within a broader nomological network of reward processing and individual differences in sensitivity to rewards. Further, I review work linking reductions in the RewP to increased depressive symptoms and risk for depression. Finally, I discuss future directions for research on the RewP .

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