Separate populations of neurons in ventral striatum encode value and motivation.
PLoS One
; 8(5): e64673, 2013.
Article
em En
| MEDLINE
| ID: mdl-23724077
ABSTRACT
Neurons in the ventral striatum (VS) fire to cues that predict differently valued rewards. It is unclear whether this activity represents the value associated with the expected reward or the level of motivation induced by reward anticipation. To distinguish between the two, we trained rats on a task in which we varied value independently from motivation by manipulating the size of the reward expected on correct trials and the threat of punishment expected upon errors. We found that separate populations of neurons in VS encode expected value and motivation.
Texto completo:
1
Base de dados:
MEDLINE
Assunto principal:
Recompensa
/
Gânglios da Base
/
Motivação
/
Neurônios
Tipo de estudo:
Diagnostic_studies
Limite:
Animals
Idioma:
En
Ano de publicação:
2013
Tipo de documento:
Article