WebMay 7, 2010 · The dopaminergic signal has been conceptualized to represent a prediction error that indicates the difference between received and predicted reward. The incentive salience hypothesis states that dopamine mediates the attribution of “incentive salience” to conditioned cues that predict reward. WebThe dopamine hypothesis of schizophrenia is based on a wide variety of circumstantial evidence, as follows: 1. High doses of dopamine-mimetics elicit hallucinations (Angrist et al., 1974; Snyder, 1976 ). 2. Neuroleptics accelerate the turnover of brain dopamine ( Da … David R. Sibley, Kim Neve, in xPharm: The Comprehensive Pharmacology … Dopaminergic. Dopaminergics are first-line pharmacologic agents for both … Neha S. Hudepohl, Henry A. Nasrallah, in Handbook of Clinical Neurology, 2012 … Amfetamine and related drugs have indirect sympathomimetic effects, releasing …
Theories of the pathogenesis of schizophrenia - Semantic Scholar
WebApr 1, 2024 · Cette hypothèse de transmission dopaminergique sous des formes variées par des sous-populations de récepteurs dopaminergiques D 2 est soutenue par l'existence de récepteurs synaptiques responsables de la fonction dopaminergique de base et sujets à un rétroconirôle efficace, et de récepteurs exirasynaptiques mal contrôlés responsables en … WebNov 29, 2011 · Dopamine (DA) transmission is deeply affected by drugs of abuse, and alterations in DA function are involved in the various phases of drug addiction and potentially exploitable therapeutically. In particular, basic studies have documented a reduction in the electrophysiological activity of DA neurons in alcohol, opiate, cannabinoid, and other drug … how to center elements in a grid
Psychostimulant - an overview ScienceDirect Topics
WebMar 14, 2024 · Bipolar affective disorder is a common neuropsychiatric disorder. Although its neurobiological underpinnings are incompletely understood, the dopamine hypothesis has been a key theory of the ... WebFeb 1, 1976 · The dopamine hypothesis explains positive symptoms of schizophrenia as due to increased dopamine release in the mesolimbic system (Meltzer & Stahl, 1976; Prus, 2024) This hypothesis remains... WebJul 11, 2013 · The dopamine hypothesis postulates that hyperdopaminergia originated in the pars compacta, and the ventral tegmental area and stretched from them through the dopamine pathways into striatal... michael andersen dbf group