Visuo-haptic multisensory object recognition, categorization, and representation.

Front Psychol

Department of Neurology, Emory University School of Medicine Atlanta, GA, USA ; Department of Rehabilitation Medicine, Emory University School of Medicine Atlanta, GA, USA ; Department of Psychology, Emory University School of Medicine Atlanta, GA, USA ; Rehabilitation Research and Development Center of Excellence, Atlanta Veterans Affairs Medical Center Decatur, GA, USA.

Published: August 2014

Visual and haptic unisensory object processing show many similarities in terms of categorization, recognition, and representation. In this review, we discuss how these similarities contribute to multisensory object processing. In particular, we show that similar unisensory visual and haptic representations lead to a shared multisensory representation underlying both cross-modal object recognition and view-independence. This shared representation suggests a common neural substrate and we review several candidate brain regions, previously thought to be specialized for aspects of visual processing, that are now known also to be involved in analogous haptic tasks. Finally, we lay out the evidence for a model of multisensory object recognition in which top-down and bottom-up pathways to the object-selective lateral occipital complex are modulated by object familiarity and individual differences in object and spatial imagery.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4102085PMC
http://dx.doi.org/10.3389/fpsyg.2014.00730DOI Listing

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