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dopamine hypothesis

   Also found in: Encyclopedia 0.01 sec.
dopamine hypothesis
Psychiatry A theory that attempts to explain the pathogenesis of schizophrenia and other psychotic states as due to excess dopamine activity in various areas of the brain


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Etiologic subtypes of attentiondeficit/ hyperactivity disorder: brain imaging, molecular genetic and environmental factors and the dopamine hypothesis.
The purpose of the present study was to investigate this dopamine hypothesis by observing the effects of a dopamine agonist on indices of motor performance and reinforcement efficacy derived from a matching law analysis of the relationship between response and reinforcement rates in a context where responding was reinforced by the opportunity to run.
 
 
 
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