Attention modulates somatosensory cerebral blood flow response to vibrotactile stimulation as measured by positron emission tomography.
Ann Neurol
; 29(4): 440-3, 1991 Apr.
Article
en En
| MEDLINE
| ID: mdl-1929214
ABSTRACT
In human primary somatosensory cortex, the cerebral blood flow response to vibrotactile stimulation of the fingers (110 Hz), as measured by positron emission tomography and H2(15)O, was 13% higher (p less than 0.025) when the subjects attended to the stimulus, compared to when they were simultaneously engaged in a distraction task. This suggests that the physiological response of a primary cortical area can be modulated by the attentive behavior of the subject.
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Colección:
01-internacional
Banco de datos:
MEDLINE
Asunto principal:
Atención
/
Corteza Somatosensorial
/
Circulación Cerebrovascular
Límite:
Adult
/
Humans
/
Male
Idioma:
En
Revista:
Ann Neurol
Año:
1991
Tipo del documento:
Article
País de afiliación:
Canadá