John McDonald
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Symposium: Electrophysiological studies of multisensory integration and crossmodal attention in humans
Multiple Paper Presentation

John McDonald
Department of Psychology, Simon Fraser University

     Abstract ID Number: 17

Symposium Overview
Stimulation in multiple modalities can have substantial influences on human perception and performance. Recently, the neural bases of such crossmodal effects have been studied noninvasively by recording brain electricity from the scalp and computing event-related potentials (ERPs) generated by sensory stimuli. Here, five speakers will describe new ERP studies of the multisensory interactions in the human brain. Three speakers will address the possible existence of 'spatial rules' that govern such multisensory interactions. Within this framework, Dr. Steve Hillyard will examine audio-visual interactions, Dr. Micah Murray will examine audio-somatosensory interactions, and Dr. Wolfgang Teder-Sälejärvi will examine visuo-somatosensory interactions. Two other speakers - Dr. Martin Eimer and Dr. John McDonald - will address the control mechanisms that mediate shifts of attention to visual, auditory, and somatosensory stimuli. These speakers will describe studies in which ERPs elicited by attention-directing cues are examined. Evidence for supramodal mechanisms of spatial attention will be evaluated.

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