Neuroprotective effects of cognitive enhancement therapy against gray matter loss in early schizophrenia: results from a 2-year randomized controlled trial

Archives of General Psychiatry
Shaun M EackMatcheri S Keshavan

Abstract

Cognitive rehabilitation has shown efficacy in improving cognition in patients with schizophrenia but the underlying neurobiologic changes that occur during these treatments and support cognitive improvement are not well known. To examine differential changes in brain morphology in early course schizophrenia during cognitive rehabilitation vs supportive therapy. Randomized controlled trial. An outpatient research clinic at a university-based medical center that provides comprehensive care services for patients with severe mental illness. A total of 53 symptomatically stable but cognitively disabled outpatients in the early course of schizophrenia or schizoaffective disorder. A 2-year trial with annual structural magnetic resonance imaging and cognitive assessments. Cognitive enhancement therapy is an integrated approach to the remediation of cognitive impairment in schizophrenia that uses computer-assisted neurocognitive training and group-based social-cognitive exercises. Enriched supportive therapy is an illness management approach that provides psychoeducation and teaches applied coping strategies. Broad areas of frontal and temporal gray matter change were analyzed with longitudinal, voxel-based morphometry methods using mi...Continue Reading

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