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Amygdala recruitment in schizophrenia in response to aversive emotional material : a meta-analysis of neuroimaging studies
Anticevic, Alan (Author), Repovš, Grega (Author)

URLURL - Presentation file, Visit http://schizophreniabulletin.oxfordjournals.org/content/38/3/608.full.pdf+html?sid=47e3a030-df38-49ed-9c74-93801d368a1f New window

Abstract
Emotional dysfunction has long been established as a critical clinical feature of schizophrenia. In the past decade, there has been extensive work examining the potential contribution of abnormal amygdala activation to this dysfunction in patients with schizophrenia. A number of studies have demonstrated under-recruitment of the amygdala in response to emotional stimuli, while others have shown intact recruitment of this region. To date, there have been few attempts to synthesize this literature using quantitative criteria or to use a formal meta-analytic approach to examine which variables may moderate the magnitude of betweengroup differences in amygdala activation in response to aversive emotional stimuli. We conducted a meta-analysis of amygdala activation in patients with schizophrenia, using a bootstrapping approach to investigate: (a) evidence for amygdala under-recruitment in schizophrenia and (b) variables that may moderate the magnitude of between group differences in amygdala activation. We demonstrate that patients with schizophrenia show statistically significant, but modest, under-recruitment of bilateral amygdala (mean effect size520.20 SD). However, present findings indicate that this under-recruitment is dependent on the use of a neutral vs emotion interaction contrast and is not apparent if amygdala activation by patients and controls is evaluated in a negative emotional condition only.

Language:English
Keywords:shizofrenija, funkcijsko magnetnoresonančno slikanje (fMRI), amigdala, čustva, metaanaliza, schizophrenia, functional magnetic resonance imaging (fMRI), amygdala, emotions, meta analysis
Work type:Not categorized (r6)
Tipology:1.01 - Original Scientific Article
Organization:FF - Faculty of Arts
Year:2012
Number of pages:str. 608-621
Numbering:Vol. 38, no. 3
UDC:159.942:616.895.8
ISSN on article:0586-7614
DOI:10.1093/schbul/sbq131 Link is opened in a new window
COBISS.SI-ID:46637922 Link is opened in a new window
Views:558
Downloads:169
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Record is a part of a journal

Title:Schizophrenia bulletin
Shortened title:Schizophr. bull.
Publisher:U.S. Dept. of Health, Education and Welfare, Public Health Service, Alcohol, Drug Abuse and Mental Health Administration, [Supt. of Docs., U.S. G.P.O., distributor]
ISSN:0586-7614
COBISS.SI-ID:514686745 New window

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