Listar por tema "Operant"
Mostrando ítems 1-4 de 4
-
Dopamine/adenosine interactions involved in effort-related aspects of food motivation
Elsevier (2009)Nucleus accumbens dopamine (DA) is involved in effort-related aspects of food motivation. Accumbens DA depletions reduce the tendency of rats to work for food, and alter effort-related choice, but leave other aspects of ... -
Effort-related decision making in humanized COMT mice: Effects ofVal158Met polymorphisms and possible implications for negative symptomsin humans
Elsevier (2020)Catechol-o-methyltransferase (COMT) is an enzyme that metabolizes catecholamines, and is crucial for clearanceof dopamine (DA) in prefrontal cortex. Val158Met polymorphism, which causes a valine (Val) to methionine(Met) ... -
Nucleus accumbens neurotransmission and effort-related choice behavior in food motivation: Effects of drugs acting on dopamine, adenosine, and muscarinic acetylcholine receptors
Elsevier (2013)Mesolimbic dopamine (DA) is a critical component of the brain circuitry regulating behavioral activation and effort-related processes. Although nucleus accumbens (NAc) DA depletions or antagonism leave aspects of appetite ... -
Slow phasic changes in nucleus accumbens dopamine release during fixed ratio acquisition: a microdialysis study
Elsevier (2011)Nucleus accumbens dopamine (DA) is a critical component of the brain circuitry regulating behavioral output during reinforcement-seeking behavior. Several studies have investigated the characteristics of accumbens DA release ...