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Auditory psychomotor coordination and visual search performance
D R Perrott1, K Saberi, K Brown
1Psychoacoustics Laboratory, California State University, Los Angeles 90032.
Perception & Psychophysics
|September 1, 1990
Summary
Auditory cues significantly speed up visual search by guiding gaze, even for targets near the central visual field. This suggests the auditory system plays a key role in directing visual attention and gaze control.
Area of Science:
- Neuroscience
- Cognitive Psychology
- Sensory Integration
Background:
- Visual search performance is influenced by target location relative to gaze.
- Auditory stimuli can potentially guide visual attention.
Purpose of the Study:
- To investigate the effect of auditory cues on visual search performance.
- To examine the role of the auditory spatial channel in regulating visual gaze.
Main Methods:
- Experiments measured visual search time with and without auditory cues at various locations.
- Experiment 3 analyzed head and eye movements during sound localization.
- A two-alternative forced-choice paradigm was used to assess visual search.
Main Results:
- Auditory cues (10-Hz click train) significantly reduced visual search time (175-1,200 msec) across tested locations.
- This auditory benefit persisted even for targets within 10 degrees of the initial gaze.
- Head and eye movements, including eyelid closures, were observed during sound localization.
Conclusions:
- The auditory spatial channel plays a significant role in regulating visual gaze.
- Auditory cues can effectively direct visual attention and facilitate search.
- Multisensory integration enhances sensory-guided behaviors.