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Central attention and visual -spatia...

Brisson, Benoit.

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Central attention and visual -spatial attention: Electrophysiological investigations of early psychological refractory period multitasking interference.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Central attention and visual -spatial attention: Electrophysiological investigations of early psychological refractory period multitasking interference./
Author:	Brisson, Benoit.
Description:	289 p.
Notes:	Source: Dissertation Abstracts International, Volume: 71-04, Section: B, page: 2736.
Contained By:	Dissertation Abstracts International71-04B.
Subject:	Psychology, General. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=NR58159
ISBN:	9780494581599

Central attention and visual -spatial attention: Electrophysiological investigations of early psychological refractory period multitasking interference.
Brisson, Benoit.

Central attention and visual -spatial attention: Electrophysiological investigations of early psychological refractory period multitasking interference. - 289 p.

Source: Dissertation Abstracts International, Volume: 71-04, Section: B, page: 2736.

Thesis (Ph.D.)--Universite de Montreal (Canada), 2009.

Visual-spatial attention is thought to enhance perceptual processing of attended items in the visual field, both when it is deployed voluntarily, according to the individual's goals, and when it is captured involuntarily by an external stimulus, despite the individual's volition. On the other hand, central attention is thought to select the perceptual representations that will gain preferential access to capacity-limited central processes in multitasking situations. It is still unclear whether these two types of attention are independent or whether they share at least some common mechanisms.

ISBN: 9780494581599Subjects--Topical Terms:

1018034
Psychology, General.

Central attention and visual -spatial attention: Electrophysiological investigations of early psychological refractory period multitasking interference.
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020 $a 9780494581599
035 $a (UMI)AAINR58159
035 $a AAINR58159
040 $a UMI $c UMI
100 1 $a Brisson, Benoit. $3 2092640
245 1 0 $a Central attention and visual -spatial attention: Electrophysiological investigations of early psychological refractory period multitasking interference.
300 $a 289 p.
500 $a Source: Dissertation Abstracts International, Volume: 71-04, Section: B, page: 2736.
502 $a Thesis (Ph.D.)--Universite de Montreal (Canada), 2009.
520 $a Visual-spatial attention is thought to enhance perceptual processing of attended items in the visual field, both when it is deployed voluntarily, according to the individual's goals, and when it is captured involuntarily by an external stimulus, despite the individual's volition. On the other hand, central attention is thought to select the perceptual representations that will gain preferential access to capacity-limited central processes in multitasking situations. It is still unclear whether these two types of attention are independent or whether they share at least some common mechanisms.
520 $a The first goal of the present thesis was to combine the event-related potential (ERP) technique with variants of the psychological refractory period (PRP) dual-task paradigm to investigate the relationship between central attention and visual-spatial attention. The second goal was to examine carefully the time course of interference in the cross-modal PRP paradigm to evaluate if attention-limited central processing in a first auditory task interferes with perceptual processes in a second visual task, such as task-relevant feature detection, visual discrimination, and consolidation into visual short-term memory.
520 $a Results reported here clearly demonstrate that central attention interferes with both the voluntary and the involuntary deployment of visual-spatial attention, and that concurrent processing of a tone delays visual short-term memory consolidation and interferes with visual discrimination processes (and maybe more general visual processing) in variants of the PRP paradigm, but does not seem to interfere with pre-attentive task-relevant feature detection.
520 $a Keywords: Cognitive neuroscience, dual-task interference, psychological refractory period, central attention, visual-spatial attention, human electrophysiology, event-related potentials, visual P1, occipital N1, N2pc, SPCN.
590 $a School code: 0992.
650 4 $a Psychology, General. $3 1018034
650 4 $a Psychology, Physiological. $3 1017869
690 $a 0621
690 $a 0989
710 2 $a Universite de Montreal (Canada). $3 1018132
773 0 $t Dissertation Abstracts International $g 71-04B.
790 $a 0992
791 $a Ph.D.
792 $a 2009
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=NR58159