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Permanent link (DOI): https://doi.org/10.7939/R3JS48

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Electrophysiological Correlates of Multisensory Integration in Peripersonal Space: an Exploration of the Auditory Attention System Open Access

Descriptions

Other title
Subject/Keyword
Peripersonal Space
P2
N2
Attention
Event related potentials
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Surdhar, Ian S
Supervisor and department
Singhal, Anthony (Psychology)
Examining committee member and department
Westbury, Chris (Psychology)
Collins, Dave (Physical Education and Recreation)
Weibe, Sandra (Psychology)
Department
Centre for Neuroscience
Specialization

Date accepted
2012-08-28T08:34:06Z
Graduation date
2012-11
Degree
Master of Science
Degree level
Master's
Abstract
Neuroscientific investigations of the primate brain point to the presence of multimodal (visual, tactile, auditory) neurons that preferentially code stimuli presented in the space immediately surrounding the body, termed peripersonal space. The activity of these neurons has been shown to facilitate sensory and motor processing to stimuli looming near, or approaching the body. Furthermore, neuropsychological evidence indicates that peripersonal space coding is closely related to the activity of the human attention system. Here we present results from two studies which served to elucidate the differential activity of the auditory attention system in response to peripersonal and extrapersonal stimuli. The data reveal proximity dependent multisensory interactions across early, late, selective and automatic stages of auditory attention processing and further indicate that the peripersonal region of multisensory integration is dynamically linked to the functional (not physical) sphere of the body.
Language
English
DOI
doi:10.7939/R3JS48
Rights
Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of these terms. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
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