Journal
SCHIZOPHRENIA BULLETIN
Volume 34, Issue 5, Pages 888-903Publisher
OXFORD UNIV PRESS
DOI: 10.1093/schbul/sbn085
Keywords
high risk; schizophrenia; emotion; review
Categories
Funding
- National Research Service Award [F31 MH073279-01]
- National Institute of Mental Health [MH-43518, MH-63951, MH-65562]
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Evidence suggests that individuals with schizophrenia demonstrate emotion-processing deficits. However, the nature and extent of emotion abnormalities in individuals considered at risk for schizophrenia have not been previously summarized. This article provides a review of the recent literature pertaining to emotion processing in 3 at-risk populations: those at familial high risk, those with schizotypal characteristics, and those in the putative prodrome to psychosis. Studies are reviewed across the components of emotion perception, experience, and expression. Further, we discuss investigations into psychophysiology, brain structure, and brain function that employ emotion probes. Review of the literature suggests that individuals at high risk demonstrate similar abnormalities to those with schizophrenia but at an attenuated level. The most robust findings in at-risk groups are in the areas of reduced emotion perception, self-reported anhedonia, and increased negative affect. We conclude with an agenda for future research.
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