Chapter

Self-Motion Perception: Multisensory Integration in Extrastriate Visual Cortex

Christopher R. Fetsch, Yong Gu, Gregory C. DeAngelis and Dora E. Angelaki

in Sensory Cue Integration

Published in print September 2011 | ISBN: 9780195387247
Published online September 2012 | e-ISBN: 9780199918379 | DOI: http://dx.doi.org/10.1093/acprof:oso/9780195387247.003.0016

Series: Computational Neuroscience Series

Self-Motion Perception: Multisensory Integration in Extrastriate Visual Cortex

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The accurate perception of self-motion is essential for spatial orientation, navigation, and motor planning. Estimating our instantaneous direction of translation, or heading, is a particularly relevant multisensory problem because it requires cross-modal integration even under ordinary conditions. This chapter discusses how heading perception is a useful model for studying the neural basis of multisensory integration for two main reasons. First, there are well-defined brain structures that receive both visual and vestibular signals related to self-motion (e.g., macaque areas MSTd and VIP). Second, the problem is amenable to study using a standard “fine” psychophysical discrimination task, for which there are already well-established behavioral and neurophysiological analysis methods.

Keywords: spatial orientation; navigation; motor planning; heading perception; multisensory integration

Chapter.  10638 words.  Illustrated.

Subjects: Neuropsychology

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