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Titolo:
Neural correlates of the attentional blink
Autore:
Marois, R; Chun, MM; Gore, JC;
Indirizzi:
Vanderbilt Univ, Dept Psychol, Vanderbilt Vis Res Ctr, Nashville, TN 37240USA Vanderbilt Univ Nashville TN USA 37240 is Res Ctr, Nashville, TN 37240USA Yale Univ, Sch Med, Dept Diagnost Radiol, New Haven, CT 06520 USA Yale Univ New Haven CT USA 06520 Diagnost Radiol, New Haven, CT 06520 USA
Titolo Testata:
NEURON
fascicolo: 1, volume: 28, anno: 2000,
pagine: 299 - 308
SICI:
0896-6273(200010)28:1<299:NCOTAB>2.0.ZU;2-Y
Fonte:
ISI
Lingua:
ENG
Soggetto:
POSITRON EMISSION TOMOGRAPHY; SERIAL VISUAL PRESENTATION; ANTERIOR CINGULATE CORTEX; FRONTAL EYE FIELD; DIRECTED ATTENTION; VISUOSPATIAL ATTENTION; EXTRASTRIATE CORTEX; SELECTIVE ATTENTION; RESPONSE-SELECTION; PARIETAL CORTEX;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
84
Recensione:
Indirizzi per estratti:
Indirizzo: Marois, R Vanderbilt Univ, Dept Psychol, Vanderbilt Vis Res Ctr, Nashville, TN 37240USA Vanderbilt Univ Nashville TN USA 37240 , Nashville, TN 37240USA
Citazione:
R. Marois et al., "Neural correlates of the attentional blink", NEURON, 28(1), 2000, pp. 299-308

Abstract

Attending to a visual event can lead to functional blindness for other events in the visual field. This limit in our attentional capacities is exemplified by the attentional blink (AB), which refers to the transient but severe impairment in perceiving the second of two temporally neighboring targets. Using functional magnetic resonance imaging (fMRI), we observed predominantly right intraparietal and frontal cortex activations associated with the AB. We further demonstrate that an AB can be elicited by both temporal and spatial distracter interference on an attended target and that both of these interference mechanisms activate the same neural circuit. These resultssuggest that a (right) parietofrontal network previously implicated in attentional control and enhancement is also a locus of capacity-limited processing of Visual information.

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Documento generato il 06/04/20 alle ore 08:37:13