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Because crack cocaine appears to have a preferential effect on the metabolic and electrophysiological activity of the frontal and temporal regions of the brain (Pascual-Leone et al., 1991a, 1991b; Volkow, 1992), we hypothesized that cognitive measures of those regions would be impaired in crack cocaine users relative to measures in normal volunteers. We(More)
OBJECTIVE AND METHOD This study compared 32 consecutively admitted first-episode schizophreniform patients, 26 patients with chronic schizophrenia according to the DSM-III-R criteria, and 25 normal comparison subjects on a comprehensive battery of neuropsychological tests to determine the degree of cognitive impairment existing at the onset of schizophrenic(More)
This study examines the cognitive functioning of first-episode schizophreniform patients within several weeks of hospitalization and at 2 years into the illness. Differences between patients and controls are also reported for measurements of the length of the lateral sulcus, which borders the planum temporal, an area of the brain integral to language(More)
The present study is an examination of ventricular and temporal lobe size in 50 DSM-III-R first-episode schizophreniform or schizoaffective patients who were ill for less than 6 months. Two-year clinical follow-up and magnetic resonance imaging (MRI) scan analyses are also reported from data collected on an initial group of 30 first-episode schizophrenic(More)
Vitamin C (ascorbate) is toxic to tumour cells, and has been suggested as an adjuvant cancer treatment. Our goal was to determine if ascorbate, in combination with other antioxidants, could kill cells in the SW620 hollow fibre in vitro solid tumour model at clinically achievable concentrations. Ascorbate anti-cancer efficacy, alone or in combination with(More)
One hundred consecutive first admission patients with a DSM-III-R diagnosis of schizophrenia, schizoaffective disorder, or schizophreniform disorder were compared with 100 randomly selected community controls. Childhood histories of physical, medical, and perinatal trauma, as well as physical and cognitive development, were examined by structured interviews(More)
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