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    Temporal ventriloquism in sensorimotor synchronization

    Author
    Parker, Melody Kay
    View/Open
    174686_Parker_rpi_0185N_10532.pdf (5.954Mb)
    Other Contributors
    Braasch, Jonas; Xiang, Ning; Saunders, Andrew;
    Date Issued
    2014-12
    Subject
    Architectural sciences
    Degree
    MS;
    Terms of Use
    This electronic version is a licensed copy owned by Rensselaer Polytechnic Institute, Troy, NY. Copyright of original work retained by author.;
    Metadata
    Show full item record
    URI
    https://hdl.handle.net/20.500.13015/1271
    Abstract
    Perception of time is multisensory and therefore requires integration of the auditory and visual systems. Temporal ventriloquism is a phenomenon in which discrepant temporal aspects of multisensory stimuli are resolved through auditory dominance. Numerous prior experiments have demonstrated temporal ventriloquism using simple flash and click stimuli. The experiment presented herein employed a sensorimotor synchronization task to examine the effect of visual stimulus type across a range of stimulus onset asynchronies (SOA). This study compared sensorimotor response to three visual stimuli: a flash, a baton swinging, and a mallet striking a block. The results of the experiment indicated that the influence of SOA was greatly dependent on stimulus type. In contrast with the transient flash stimulus, the oscillatory visual stimuli provided more spatiotemporal information. This could explain the significantly reduced effect of temporal ventriloquism observed in response to the baton and mallet relative to the flash. Multisensory integration did not absolutely bias the auditory system; predictive visual dynamics proved useful in the unified perception of temporal occurrence.;
    Description
    December 2014; School of Architecture
    Department
    School of Architecture;
    Publisher
    Rensselaer Polytechnic Institute, Troy, NY
    Relationships
    Rensselaer Theses and Dissertations Online Collection;
    Access
    Restricted to current Rensselaer faculty, staff and students. Access inquiries may be directed to the Rensselaer Libraries.;
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