Serotonin and Dopamine: Unifying Affective, Activational, and Decision Functions
Identifieur interne : 000240 ( Main/Exploration ); précédent : 000239; suivant : 000241Serotonin and Dopamine: Unifying Affective, Activational, and Decision Functions
Auteurs : Roshan Cools [Pays-Bas] ; Kae Nakamura [Japon] ; Nathaniel D. Daw [États-Unis]Source :
- Neuropsychopharmacology [ 0893-133X ] ; 2010.
Abstract
Serotonin, like dopamine (DA), has long been implicated in adaptive behavior, including decision making and reinforcement learning. However, although the two neuromodulators are tightly related and have a similar degree of functional importance, compared with DA, we have a much less specific understanding about the mechanisms by which serotonin affects behavior. Here, we draw on recent work on computational models of dopaminergic function to suggest a framework by which many of the seemingly diverse functions associated with both DA and serotonin—comprising both affective and activational ones, as well as a number of other functions not overtly related to either—can be seen as consequences of a single root mechanism.
Url:
DOI: 10.1038/npp.2010.121
PubMed: 20736991
PubMed Central: 3055512
Affiliations:
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Le document en format XML
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<front><div type="abstract" xml:lang="en"><p>Serotonin, like dopamine (DA), has long been implicated in adaptive behavior, including decision making and reinforcement learning. However, although the two neuromodulators are tightly related and have a similar degree of functional importance, compared with DA, we have a much less specific understanding about the mechanisms by which serotonin affects behavior. Here, we draw on recent work on computational models of dopaminergic function to suggest a framework by which many of the seemingly diverse functions associated with both DA and serotonin—comprising both affective and activational ones, as well as a number of other functions not overtly related to either—can be seen as consequences of a single root mechanism.</p>
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