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Updated: Jun 25, 2026
06:34
Infant Auditory Processing and Event-related Brain Oscillations
Published on: July 1, 2015
Infants Anticipate the Timing of Sounds From Dynamic Collision Events
Andrew Marin1,2, Zara Fearns1, Melanie Dratva1,3
1University of California, San Diego (UCSD)-Psychology Department, La Jolla, California, USA.
Summary
Young infants can predict collision sounds using object motion. Four-to five-month-old infants looked longer at audio-visual asynchronous events, showing expectations about sound timing.
Area of Science:
- Cognitive Science
- Developmental Psychology
- Auditory Perception
Background:
- Human perception relies on predicting sensory information from dynamic events.
- Early auditory-visual integration is crucial for understanding the physical world.
Purpose of the Study:
- To investigate if infants use object motion to predict collision sound timing.
- To determine if infants' looking behavior differs for audio-visual vs. visual-only collision events based on temporal congruence.
Main Methods:
- An online study presented 4-5-month-old infants with 2D ball collision events.
- Two groups experienced either audio-visual (AV) or visual color change (VCC) stimuli.
- Temporal congruence between motion and sound/visual change was manipulated (synchronous vs. asynchronous).
Main Results:
- Infants looked longer at AV asynchronous events compared to AV synchronous events.
- This looking time difference was not observed for VCC events.
- Infants also looked longer at AV asynchronous events than VCC asynchronous events.
Conclusions:
- Young infants form expectations about the temporal alignment of collisions and sounds.
- This ability provides a foundation for physical inference and learning in multisensory environments.
- Auditory-visual temporal congruence plays a key role in early perceptual development.
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