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Perception of visual apparent motion is modulated by a gap within concurrent auditory glides, even when it is
Qingcui Wang1, Lu Guo2, Ming Bao2
1Hangzhou Applied Acoustics Research Institute, Key Laboratory of Science and Technology Hangzhou, China ; Institute of Acoustics - Chinese Academy of Sciences Beijing, China.
Frontiers in Psychology
|June 5, 2015
Summary
Auditory temporal grouping, especially with a gap, influences visual motion perception. Auditory cues can dominate cross-modal interactions, affecting how we perceive visual events.
Area of Science:
- Cross-modal perception
- Auditory-visual interaction
- Perceptual grouping
Background:
- Concurrent auditory and visual events influence perception.
- Temporal grouping of stimuli affects perceptual decisions.
- Visual apparent motion perception can be ambiguous.
Purpose of the Study:
- Investigate how intra- and cross-modal temporal grouping affects visual apparent motion perception.
- Examine the influence of auditory gap transfer illusion on visual Ternus display perception.
Main Methods:
- Juxtaposed auditory gap transfer illusion with visual Ternus display.
- Observers discriminated visual Ternus motion with concurrent auditory glides (with/without gaps).
- Measured perceptual judgments of visual apparent motion.
Main Results:
- Auditory gaps significantly influenced visual event separation, favoring group motion (GM) perception.
- Auditory gap transfer illusion induced an auditory capture effect.
- Auditory temporal grouping appears to take precedence over cross-modal interaction in visual perception.
Conclusions:
- Auditory temporal grouping, particularly with gaps, strongly influences visual motion perception.
- Selective attention to auditory events plays a role in cross-modal perception.
- Auditory temporal grouping can override visual cues in ambiguous motion perception.
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