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Related Experiment Videos

Adaptation to audiotactile asynchrony.

Jordi Navarra1, Salvador Soto-Faraco, Charles Spence

  • 1Crossmodal Research Laboratory, Department of Experimental Psychology, University of Oxford, South Parks Road, Oxford OX1 3UD, UK. jordi.navarra@gmail.com

Neuroscience Letters
|December 13, 2006
PubMed
Summary
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Temporal recalibration adjusts our perception of timing between senses. This study shows that the brain recalibrates timing between sounds and touch, widening the integration window for multisensory information.

Area of Science:

  • Neuroscience
  • Sensory Perception
  • Multisensory Integration

Background:

  • Perceptual systems can adjust to temporal discrepancies between sensory inputs.
  • Previous work focused on auditory-visual temporal recalibration.

Purpose of the Study:

  • To investigate temporal recalibration between auditory and tactile stimuli.
  • To determine if the brain compensates for audiotactile temporal asynchronies.

Main Methods:

  • Participants experienced synchronized or desynchronized auditory-tactile stimulus streams.
  • Temporal order judgments (TOJs) were performed after exposure.
  • Stimulus onset asynchrony (SOA) was varied during TOJs.

Main Results:

Related Experiment Videos

  • The minimum interval to discern audiotactile order increased post-exposure to desynchronized stimuli.
  • Exposure to asynchronous stimuli broadened the temporal window for multisensory integration.
  • This indicates a recalibration mechanism for audiotactile timing.

    • Conclusions:

    • The human brain exhibits temporal recalibration for auditory and tactile information.
    • This recalibration widens the temporal window for integrating sound and touch.
    • Suggests a general mechanism for compensating sensory timing discrepancies.