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Dopamine visualized in the basal ganglia of living man
The neurotransmitter dopamine has biological attributes that make it amenable to study by positron emission tomography, unlike many of the 40 or so neurotransmitters that have been identified in theExpand
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Brain dopamine metabolism in patients with Parkinson's disease measured with positron emission tomography.
L-[18F] fluorodopa was administered in trace amounts intravenously to healthy control subjects and to patients with Parkinson's disease. Striatal uptake of radioactivity was measured using positronExpand
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Cerebral Metabolism of 6–[18F]Fluoro‐l‐3,4‐Dihydroxyphenylalanine in the Primate
Abstract: The tracers 6‐[18F]fluoro‐1‐3,4‐dihydroxyphenyl‐alanine (6–[18F]fluoro‐l‐DOPA) and 1‐[14C]DOPA were injected simultaneously into rhesus monkeys, and the time course of their metabolites wasExpand
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Central dopaminergic activity influences rats ability to exercise.
Rats were run to exhaustion on a motor driven treadmill. Apomorphine given to intact rats prolonged the time to exhaustion. Apomorphine given to 6-hydroxydopamine lesioned rats also prolonged theExpand
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Regional brain metabolism during auditory hallucinations in chronic schizophrenia.
Regions of the brain involved in language and attention were studied using [18F]-fluorodeoxy-glucose in PET. In nine chronic DSM-III schizophrenic patients who had persistent auditory hallucinations,Expand
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Posterior cortical dementia with alexia: neurobehavioural, MRI, and PET findings.
A progressive disorder of relatively focal but asymmetric biposterior dysfunction is described in a 54 year old right handed male. Initial clinical features included letter-by-letter alexia, visualExpand
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A probe for intracerebral aromatic amino‐acid decarboxylase activity: Distribution and kinetics of [18F]6‐fluoro‐L‐m‐tyrosine in the human brain
Positron tomography, using [18F]6‐fluoro‐L‐dopa as a tracer, has been used for the study of Parkinson's disease. Unfortunately, the analysis of data obtained with this agent is bedeviled because itExpand
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Effect of neuroleptics on altered cerebral glucose metabolism in schizophrenia.
This study examines whether the duration of treatment with antipsychotic drugs influences the regional distribution of cerebral [18F]2-fluoro-2-deoxy-D-glucose utilization as measured by positronExpand
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Metabolites of 6-[18F]fluoro-L-dopa in human blood.
The metabolites of 6-[18F]fluoro-L-dopa in the blood plasma of healthy humans have been identified as 3-O-sulfato-6[18F]fluoro-L-dopa, 3-O-methyl-6-[18F]fluoro-L-dopa, 6-[18F] fluorodopamine, andExpand
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