Mood disorders in left-handed stroke patients
Abstract
Thirty left-handed patients hospitalized for stroke were examined for mood disorders. Patients with left hemisphere lesions and nondominant hand impairments had significantly higher depression scores and more depressive diagnoses than patients with right hemisphere lesions and dominant hand impairments. Major depression was strongly associated with left anterior brain injury, and depression severity was significantly correlated with proximity of the lesion on CAT scan to the left frontal pole. These findings are almost identical to previously reported results from right-handed patients and suggest that cerebral lateralization of poststroke mood disorders may be independent of cerebral motor dominance and language dominance.
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