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Audiovisual emotion perception develops differently from audiovisual phoneme perception during childhood
Hisako W Yamamoto1,2, Misako Kawahara1,2, Akihiro Tanaka1
1Tokyo Woman's Christian University, Suginami-ku, Tokyo, Japan.
Plos One
|June 20, 2020
Summary
Japanese children improve auditory emotion perception with age but rely on audiovisual information for phonemes consistently. Adults utilize visual cues more than children for both tasks.
Area of Science:
- Developmental psychology
- Cognitive science
- Linguistics
Background:
- Understanding how humans integrate multisensory information is crucial for cognitive development.
- Previous research suggests age-related changes in audiovisual perception, but specific developmental trajectories for emotion and phoneme perception require further investigation.
Purpose of the Study:
- To examine the developmental changes in Japanese speakers' use of audiovisual information for emotion and phoneme perception.
- To compare developmental patterns between children and adults in processing emotional and linguistic cues.
Main Methods:
- Participants (5–12 years and 30–39 years) completed emotion and phoneme perception tasks.
- Tasks involved stimuli presented through visual (facial expressions), auditory (vocalizations), and audiovisual modalities.
- Performance was analyzed based on age groups and information source (auditory vs. audiovisual).
Main Results:
- Children's emotion perception accuracy using auditory information improved with age.
- The reliance on audiovisual information for phoneme perception remained stable across childhood.
- Adults showed a greater influence of visual information compared to children in both perception tasks.
Conclusions:
- Developmental trajectories differ for emotion and phoneme perception, suggesting distinct integration processes.
- Age-related increases in auditory emotion processing contrast with stable audiovisual phoneme processing.
- Cultural and linguistic factors may influence these observed developmental patterns in multisensory integration.
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