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Titolo:
Two distinct modes of sensory processing observed in monkey primary visualcortex (V1)
Autore:
Super, H; Spekreijse, H; Lamme, VAF;
Indirizzi:
Univ Amsterdam, Acad Med Ctr, Dept Visual Syst Anal, Grad Sch Neurosci, NL-1100 AA Amsterdam, Netherlands Univ Amsterdam Amsterdam Netherlands NL-1100 AA A Amsterdam, Netherlands Netherlands Ophthalm Res Inst, NL-1105 BA Amsterdam, Netherlands Netherlands Ophthalm Res Inst Amsterdam Netherlands NL-1105 BA therlands
Titolo Testata:
NATURE NEUROSCIENCE
fascicolo: 3, volume: 4, anno: 2001,
pagine: 304 - 310
SICI:
1097-6256(200103)4:3<304:TDMOSP>2.0.ZU;2-2
Fonte:
ISI
Lingua:
ENG
Soggetto:
MACAQUE MONKEY; NEURONAL RESPONSES; DYNAMICS; DECISION; STIMULI; FIGURE; NEUROPHYSIOLOGY; ORIENTATION; SENSITIVITY; MECHANISMS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
36
Recensione:
Indirizzi per estratti:
Indirizzo: Lamme, VAF Univ Amsterdam, Acad Med Ctr, Dept Visual Syst Anal, Grad Sch Neurosci, POB 12011, NL-1100 AA Amsterdam, Netherlands Univ Amsterdam POB 12011 Amsterdam Netherlands NL-1100 AA ands
Citazione:
H. Super et al., "Two distinct modes of sensory processing observed in monkey primary visualcortex (V1)", NAT NEUROSC, 4(3), 2001, pp. 304-310

Abstract

Even salient sensory stimuli are sometimes not detected. What goes wrong in the brain in that case? Here we show that a late (> 100-ms) component of the neural activity in the primary visual cortex of the monkey is selectively suppressed when stimuli are not seen. As there is evidence that this activity depends on feedback from extrastriate areas, these findings suggest aspecific role for recurrent processing when stimuli are reaching a perceptual level. Further results show that this perceptual level is situated between purely sensory and decision or motor stages of processing.

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Documento generato il 02/04/20 alle ore 18:44:38