Catalogo Articoli (Spogli Riviste)

OPAC HELP

Titolo:
SPEED-DEPENDENT MOTION-SENSITIVE RESPONSES IN V5 - AN FMRI STUDY
Autore:
CHAWLA D; PHILLIPS J; BUECHEL C; EDWARDS R; FRISTON KJ;
Indirizzi:
INST NEUROL,WELLCOME DEPT COGNIT NEUROL,LEOPOLD MULLER FUNCT IMAGING LAB,12 QUEEN SQ LONDON WC1N 3BG ENGLAND
Titolo Testata:
NeuroImage
fascicolo: 2, volume: 7, anno: 1998,
pagine: 86 - 96
SICI:
1053-8119(1998)7:2<86:SMRIV->2.0.ZU;2-L
Fonte:
ISI
Lingua:
ENG
Soggetto:
LATERAL GENICULATE-NUCLEUS; MONKEY PRESTRIATE CORTEX; MACAQUE VISUAL-CORTEX; AREA MT; REVERSIBLE INACTIVATION; PSYCHOPHYSICAL EVIDENCE; CORTICAL CONNECTIONS; CHROMATIC PROPERTIES; COLOR; NEURONS;
Keywords:
V5; V3A; ISOLUMINANT; ISOCHROMATIC; FMRI; VISUAL MOTION; SPEED;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
60
Recensione:
Indirizzi per estratti:
Citazione:
D. Chawla et al., "SPEED-DEPENDENT MOTION-SENSITIVE RESPONSES IN V5 - AN FMRI STUDY", NeuroImage, 7(2), 1998, pp. 86-96

Abstract

This fMRI study examined motion-sensitive responses in human area V5 as a function of stimulus speed. Consistent with electrophysiological findings, we observed optimal responses at intermediate speeds of around 7 degrees/s to 30 degrees/s. The results are consistent with a nonlinear (inverted ''U'') dependency on speed that was also observed in V3a. V1 activation was observed to decrease linearly as speed increased. This is consistent with the fact that speed-sensitive cells in V1 have been shown to be tuned to much slower speeds than in V5. (C) 1998 Academic Press.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 12/07/20 alle ore 02:57:52