Joint encoding of stimulus and decision in monkey primary visual cortex.
Cereb Cortex
; 34(1)2024 01 14.
Article
em En
| MEDLINE
| ID: mdl-37955641
ABSTRACT
We investigated whether neurons in monkey primary visual cortex (V1) exhibit mixed selectivity for sensory input and behavioral choice. Parallel multisite spiking activity was recorded from area V1 of awake monkeys performing a delayed match-to-sample task. The monkeys had to make a forced choice decision of whether the test stimulus matched the preceding sample stimulus. The population responses evoked by the test stimulus contained information about both the identity of the stimulus and with some delay but before the onset of the motor response the forthcoming choice. The results of subspace identification analysis indicate that stimulus-specific and decision-related information coexists in separate subspaces of the high-dimensional population activity, and latency considerations suggest that the decision-related information is conveyed by top-down projections.
Palavras-chave
Texto completo:
1
Base de dados:
MEDLINE
Assunto principal:
Córtex Visual Primário
/
Neurônios
Limite:
Animals
Idioma:
En
Revista:
Cereb Cortex
Assunto da revista:
CEREBRO
Ano de publicação:
2024
Tipo de documento:
Article
País de afiliação:
Alemanha