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  • Title: Neurological frontal signs and neuropsychological deficits in schizophrenic patients.
    Author: Cuesta MJ, Peralta V, de Leon J.
    Journal: Schizophr Res; 1996 May; 20(1-2):15-20. PubMed ID: 8794489.
    Abstract:
    A higher prevalence of neurological signs (NS) has been described in schizophrenic patients when compared with controls or patients with other mental illnesses. This study, which includes a sample of 66 DSM-IIIR schizophrenics, was designed to assess the relationship between 7 frontal neurologic signs described by Luria and cognitive disturbances measured by an exhaustive neuropsychological battery. There was a statistically significant relationships between the frontal signs and the cognitive deficits (mean shared variance was 22%) which persisted after correcting for the influence of age, education, and duration of illness.
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