Anterior cingulum volumetry, auditory P300 in schizophrenia with negative symptoms

Psychiatry Research
Ulrich W PreussE M Meisenzahl

Abstract

The anterior cingulate cortex (ACC) is located at the rostum of the corpus callosum and involved in both cognitive and emotional brain processes. It has been suggested to be involved in P300 event-related potential generation. A large sample of schizophrenia inpatients and controls was examined in order to assess the potential relationship between ACC volumes and P300 characteristics in patients with more pronounced negative symptoms. In 50 male schizophrenia patients and 50 matched controls, auditory P300 and structural magnetic resonance imaging volume measurements of the ACC were obtained. Patients' negative symptoms were assessed using the PANSS (Positive and Negative Syndrome Scale). Volumetry of ACC subregions revealed a volume reduction in patients with schizophrenia compared with controls in right hemispheric rostral ACC subregions that were most pronounced in more negative schizophrenia patients. There was a positive correlation between PZ P300 amplitude and total ACC volume in the right hemisphere in schizophrenia patients with less negative symptoms. The results support the assumption that structural changes of the ACC are more pronounced in subgroups of schizophrenia patients with more negative psychopathology. In a...Continue Reading

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Citations

May 6, 2014·European Archives of Psychiatry and Clinical Neuroscience·Inge GoryniaAndreas Heinz
Sep 17, 2013·Schizophrenia Research·Mizuho TakayanagiNicola G Cascella
Aug 6, 2014·European Archives of Psychiatry and Clinical Neuroscience·Marta KrzyżanowskaTomasz Gos

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