Caudate nucleus volume and cognitive deficit in first episode psychosis
نویسندگان
چکیده
منابع مشابه
Cognitive effectiveness of olanzapine and risperidone in first-episode psychosis.
BACKGROUND Cognitive impairment in schizophrenia-spectrum disorders is highly prevalent and notably influences functional outcomes. AIMS To characterise the cognitive effectiveness of second-generation antipsychotic drugs. METHOD One hundred consecutive and previously unmedicated patients with first-episode schizophrenia-spectrum disorders were admitted. Seventy-seven completed baseline, 1-...
متن کاملNeurological abnormalities and cognitive ability in first-episode psychosis.
BACKGROUND It remains unclear if the excess of neurological soft signs, or of certain types of neurological soft signs, is common to all psychoses, and whether this excess is simply an epiphenomenon of the lower general cognitive ability present in psychosis. AIMS To investigate whether an excess of neurological soft signs is independent of diagnosis (schizophrenia v. affective psychosis) and...
متن کاملCerebral gray matter volume deficits in first episode psychosis.
BACKGROUND Structural brain differences including decreased gray matter and increased cerebrospinal fluid volumes have been observed in the brains of chronically ill patients with schizophrenia. We hypothesized that deficits in gray matter volume would be present in patients presenting with a first episode of nonaffective psychosis. METHODS We used magnetic resonance imaging to compare the br...
متن کاملSubgenual cingulate cortex volume in first-episode psychosis.
OBJECTIVE Gray matter volume and glucose utilization have been reported to be reduced in the left subgenual cingulate of subjects with familial bipolar or unipolar depression. It is unclear whether these findings are secondary to recurrent illness or are part of a familial/genetic syndrome. The authors' goal was to clarify these findings. METHOD Volumetric analyses were performed by using mag...
متن کاملCognitive dysfunction in first-episode psychosis: the processing speed hypothesis.
BACKGROUND Speed of processing is a cognitive process underlying cognitive dysfunction in people with chronic schizophrenia. AIMS To investigate the contribution of speed of processing to the cognitive deficits observed in a representative large sample with first-episode schizophrenia. METHOD People with a diagnosis of first-episode schizophrenia-spectrum disorders (n=26) and healthy contro...
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ژورنال
عنوان ژورنال: Archives of Clinical Neuropsychology
سال: 1997
ISSN: 0887-6177,1873-5843
DOI: 10.1093/arclin/12.4.355a