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- Title
The interaction of electrodermal activity and expressed emotion in predicting symptoms in recent-onset schizophrenia.
- Authors
Subotnik, Kenneth L; Schell, Anne M; Chilingar, Mark S; Dawson, Michael E; Ventura, Joseph; Kelly, Kimberle A; Hellemann, Gerhard S; Nuechterlein, Keith H
- Abstract
In the present study, expressed emotion (EE) was assessed among immediate family members of 94 recent-onset schizophrenia patients at initial study entry point, and patients' electrodermal activity (EDA) was measured without the presence of family members at a baseline outpatient stabilization assessment. Psychiatric symptoms were also rated, both at the baseline outpatient test and at 1-year follow-up. Electrodermal activity × expressed emotion interactions were observed at both test points. In each case, the highest levels of negative symptoms were observed among those who exhibited greater EDA and lived in a high-EE environment. These results support the view that the combination of high family EE and sympathetic nervous system arousal confer especially high risk for poor negative symptom outcomes.
- Publication
Psychophysiology, 2012, Vol 49, Issue 8, p1035
- ISSN
1540-5958
- Publication type
Journal Article
- DOI
10.1111/j.1469-8986.2012.01383.x