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Assessment
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Qualitative Block Design Analysis in Posttraumatic Stress Disorder

Jennifer J. Vasterling

Catherine Rogers

Veterans Affairs Medical Center, New Orleans

Edith Kaplan

Boston University School of Medicine

Qualitative and quantitative Block Design performance was examined in Vietnam combat veterans with PTSD diagnoses (n = 23) and Vietnam combat veterans without PTSD or other mental disorders diagnoses (n = 19). Results indicated that PTSD-diagnosed veterans committed more single block rotations than the comparison sample, and that their errors occurred more frequently in right hemispace than errors made by the comparison sample. The two groups did not differ in the number of configural errors made, errors committed in left hemispace, or in quantitative performance measures. Findings are suggestive of relative left hemisphere hypoactivation and are congruent with prior research documenting cerebral asymmetries in emotional disorders.

Key Words: Block Design • qualitative analysis • PTSD • emotion • hemispheric specialization

Assessment, Vol. 7, No. 3, 217-226 (2000)
DOI: 10.1177/107319110000700302
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