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Defining Auditory-Visual Objects: Behavioral Tests and Physiological Mechanisms

Bizley, JK; Maddox, RK; Lee, AK; (2016) Defining Auditory-Visual Objects: Behavioral Tests and Physiological Mechanisms. Trends in Neurosciences , 39 (2) pp. 74-85. 10.1016/j.tins.2015.12.007. Green open access

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Abstract

Crossmodal integration is a term applicable to many phenomena in which one sensory modality influences task performance or perception in another sensory modality. We distinguish the term binding as one that should be reserved specifically for the process that underpins perceptual object formation. To unambiguously differentiate binding form other types of integration, behavioral and neural studies must investigate perception of a feature orthogonal to the features that link the auditory and visual stimuli. We argue that supporting true perceptual binding (as opposed to other processes such as decision-making) is one role for cross-sensory influences in early sensory cortex. These early multisensory interactions may therefore form a physiological substrate for the bottom-up grouping of auditory and visual stimuli into auditory-visual (AV) objects.

Type: Article
Title: Defining Auditory-Visual Objects: Behavioral Tests and Physiological Mechanisms
Location: England
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.tins.2015.12.007
Publisher version: http://dx.doi.org/10.1016/j.tins.2015.12.007
Language: English
Additional information: Copyright © 2012015 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
Keywords: Auditory cortex, binding, crossmodal, multisensory, neurophysiology, psychophysics
UCL classification: UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > The Ear Institute
URI: https://discovery.ucl.ac.uk/id/eprint/1474980
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