T. Cooper

Publications337
h-index72
Citations20,001
Highly Influential Citations629
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Increased baseline occupancy of D2 receptors by dopamine in schizophrenia.
The classical dopamine hypothesis of schizophrenia postulates a hyperactivity of dopaminergic transmission at the D(2) receptor. We measured in vivo occupancy of striatal D(2) receptors by dopamine… Expand
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Imaging Human Mesolimbic Dopamine Transmission with Positron Emission Tomography. Part II: Amphetamine-Induced Dopamine Release in the Functional Subdivisions of the Striatum
The human striatum is functionally organized into limbic, associative, and sensorimotor subdivisions, which process information related to emotional, cognitive, and motor function. Dopamine… Expand
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Continuation pharmacotherapy in the prevention of relapse following electroconvulsive therapy: a randomized controlled trial.
CONTEXT Electroconvulsive therapy (ECT) is highly effective for treatment of major depression, but naturalistic studies show a high rate of relapse after discontinuation of ECT. OBJECTIVE To… Expand
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Circadian time of morning light administration and therapeutic response in winter depression.
BACKGROUND We investigated a possible mechanism of action for the antidepressant response to light-phase advances of the circadian clock-by measuring the onset of melatonin secretion before and after… Expand
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Increased synaptic dopamine function in associative regions of the striatum in schizophrenia.
CONTEXT A long-standing version of the dopamine hypothesis of schizophrenia postulates that hyperactivity of dopaminergic transmission at D(2) receptors in the limbic striatum is associated with the… Expand
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Double-blind and placebo-controlled study of lithium for adolescent bipolar disorders with secondary substance dependency.
OBJECTIVE To perform a double-blind, placebo-controlled, random assignment, parallel group, pharmacokinetically dosed study of lithium for adolescents with bipolar disorders (BP) and temporally… Expand
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Serotonergic studies in patients with affective and personality disorders. Correlates with suicidal and impulsive aggressive behavior.
Dysfunction of the central serotonergic system has been variously associated with depression and with suicidal and/or impulsive aggressive behavior. To evaluate central serotonergic function in… Expand
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In vivo vulnerability to competition by endogenous dopamine: Comparison of the D2 receptor agonist radiotracer (–)‐N‐[11C]propyl‐norapomorphine ([11C]NPA) with the D2 receptor antagonist radiotracer…
(–)‐N‐Propyl‐norapomorphine (NPA) is a full dopamine (DA) D2 receptor agonist and [11C]NPA is a suitable radiotracer to image D2 receptors configured in a state of high affinity for agonists with… Expand
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Fluoxetine-elicited changes in brain neurosteroid content measured by negative ion mass fragmentography.
Fluoxetine administered intraperitoneally to sham-operated or adrenalectomized/castrated (ADX/CX) male rats dose-dependently (2.9-58 mumol/kg i.p.) increased the brain content of the neurosteroid 3… Expand
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Neurocognitive effects of clozapine, olanzapine, risperidone, and haloperidol in patients with chronic schizophrenia or schizoaffective disorder.
OBJECTIVE Newer antipsychotic drugs have shown promise in ameliorating neurocognitive deficits in patients with schizophrenia, but few studies have compared newer antipsychotic drugs with both… Expand
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