Where it all begins: multisensory convergence

Alex Meredith, Virginia Commonwealth University

Abstract
Multisensory processing has a profound influence on perception and behavior, yet little is known about the first, requisite step in this process: multisensory convergence. Investigations of multisensory processing traditionally select neurons for examination by identifying those which are independently activated by inputs from different sensory modalities. Under these conditions, strong correlations have been demonstrated between neuronal activity and multisensory detection and orientation behaviors. However, the recent explosion of multisensory studies has identified a wide variety of other effects, some of which do not seem to conform to this traditional model of convergence. This presentation will put forward non-traditional patterns of multisensory convergence and the neurophysiological products they generate, with the overall objective of expanding the context in which multisensory processing is investigated.

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