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01-06-2014 | Mini-Review

On the ‘visual’ in ‘audio-visual integration’: a hypothesis concerning visual pathways

Authors: Philip Jaekl, Alexis Pérez-Bellido, Salvador Soto-Faraco

Published in: Experimental Brain Research | Issue 6/2014

Abstract

Crossmodal interaction conferring enhancement in sensory processing is nowadays widely accepted. Such benefit is often exemplified by neural response amplification reported in physiological studies conducted with animals, which parallel behavioural demonstrations of sound-driven improvement in visual tasks in humans. Yet, a good deal of controversy still surrounds the nature and interpretation of these human psychophysical studies. Here, we consider the interpretation of crossmodal enhancement findings under the light of the functional as well as anatomical specialization of magno- and parvocellular visual pathways, whose paramount relevance has been well established in visual research but often overlooked in crossmodal research. We contend that a more explicit consideration of this important visual division may resolve some current controversies and help optimize the design of future crossmodal research.

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Title: On the ‘visual’ in ‘audio-visual integration’: a hypothesis concerning visual pathways
Authors: Philip Jaekl
Alexis Pérez-Bellido
Salvador Soto-Faraco
Publication date: 01-06-2014
Publisher: Springer Berlin Heidelberg
Published in: Experimental Brain Research / Issue 6/2014
Print ISSN: 0014-4819
Electronic ISSN: 1432-1106
DOI: https://doi.org/10.1007/s00221-014-3927-8

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On the ‘visual’ in ‘audio-visual integration’: a hypothesis concerning visual pathways

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