Trait and state positive emotional experience in schizophrenia: a meta-analysis.

ABSTRACT:

Background

Prior meta-analyses indicated that people with schizophrenia show impairment in trait hedonic capacity but retain their state hedonic experience (valence) in laboratory-based assessments. Little is known about what is the extent of differences for state positive emotional experience (especially arousal) between people with schizophrenia and healthy controls. It is also not clear whether negative symptoms and gender effect contribute to the variance of positive affect.

Methods and findings

The current meta-analysis examined 21 studies assessing state arousal experience, 40 studies measuring state valence experience, and 47 studies assessing trait hedonic capacity in schizophrenia. Patients with schizophrenia demonstrated significant impairment in trait hedonic capa

SUBMITTER: Yan C 

PROVIDER: S-EPMC3399884 | biostudies-literature | 2012

REPOSITORIES: biostudies-literature