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Own-race faces promote integrated audiovisual speech information.
Yuta Ujiie1,2,3,4, Kohske Takahashi5,6
1Research Organization of Open Innovation and Collaboration, Ritsumeikan University, Ibaraki, Japan.
Quarterly Journal of Experimental Psychology (2006)
|August 24, 2021
Summary
The other-race effect influences speech perception. Own-race faces enhance audiovisual speech processing, demonstrating this effect in multisensory domains.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Audiovisual Speech Perception
Background:
- The other-race effect (ORE) is a perceptual bias favoring own-race faces in recognition tasks.
- Previous research established ORE in facial identity and emotion perception.
- ORE's presence in multisensory speech processing remains unexplored.
Purpose of the Study:
- To investigate the other-race effect in audiovisual speech perception.
- To determine if ORE influences the McGurk effect, a measure of audiovisual speech integration.
- To examine the role of attention in ORE during speech perception.
Main Methods:
- Two experiments were conducted with East Asian adults.
- Participants viewed audiovisual stimuli with speakers of own-race and other-race.
- The magnitude of the McGurk effect was measured under varying attention conditions.
Main Results:
- A stronger McGurk effect was observed with own-race faces compared to other-race faces.
- Results indicate that ORE is not solely attributable to differential attention to speaker mouths.
- Own-race faces increase the weighting of visual information in audiovisual speech perception.
Conclusions:
- Evidence supports the existence of the other-race effect in audiovisual speech perception.
- Own-race faces modulate the integration of visual and auditory speech information.
- Findings highlight the impact of racial group membership on multisensory speech processing.
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