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Available online at www.sciencedirect.com Multisensory integration: psychophysics, neurophysiology, and
 

Summary: Available online at www.sciencedirect.com
Multisensory integration: psychophysics, neurophysiology, and
computation
Dora E Angelaki1,*
, Yong Gu1
and Gregory C DeAngelis2,*
Fundamental observations and principles derived from
traditional physiological studies of multisensory integration
have been difficult to reconcile with computational and
psychophysical studies that share the foundation of
probabilistic (Bayesian) inference. We review recent work on
multisensory integration, focusing on experiments that bridge
single-cell electrophysiology, psychophysics, and
computational principles. These studies show that
multisensory (visual­vestibular) neurons can account for near-
optimal cue integration during the perception of self-motion.
Unlike the nonlinear (superadditive) interactions emphasized in
some previous studies, visual­vestibular neurons accomplish
near-optimal cue integration through subadditive linear
summation of their inputs, consistent with recent

  

Source: Angelaki, Dora - Department of Anatomy and Neurobiology, Washington University in St. Louis
DeAngelis, Gregory - Department of Brain and Cognitive Sciences, University of Rochester

 

Collections: Biology and Medicine