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Related Experiment Video

Updated: Mar 3, 2026

Testing Sensory and Multisensory Function in Children with Autism Spectrum Disorder

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Published on: April 22, 2015

Links between temporal acuity and multisensory integration across life span.

Ryan A Stevenson¹, Sarah H Baum², Juliane Krueger³

¹Department of Psychology, Brain and Mind Institute, University of Western Ontario.

Journal of Experimental Psychology. Human Perception and Performance

|April 28, 2017

Summary

Temporal acuity, crucial for multisensory integration, develops through childhood but declines in aging. This age-related decline impacts speech integration differently across the lifespan, suggesting experience plays a key role.

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Infant Auditory Processing and Event-related Brain Oscillations

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Published on: July 1, 2015

Area of Science:

Cognitive Neuroscience
Developmental Psychology
Aging Research

Background:

Temporal acuity is vital for multisensory integration, influencing perception and behavior.
Life span changes in temporal acuity may significantly impact multisensory integration abilities.

Purpose of the Study:

To investigate the relationship between temporal acuity and multisensory integration across the human life span (ages 5-80).
To examine how temporal acuity influences the integration of auditory and visual information during development and aging.

Main Methods:

Tested temporal acuity and multisensory integration in 138 participants using simultaneity and temporal order judgment tasks.
Assessed abilities within and across auditory and visual modalities.
Examined the predictive power of simple stimulus temporal acuity on complex speech integration.

Main Results:

Temporal acuity improved from childhood to adulthood, then declined in healthy aging.
Multisensory speech integration abilities mirrored this pattern.
During development, simple temporal acuity predicted speech integration; this predictive relationship was absent in older adults.

Conclusions:

Temporal acuity's influence on multisensory integration differs across the life span.
While maturation of temporal acuity drives developmental gains in integration, it doesn't fully explain age-related changes in aging adults.
Experience likely plays a significant role in mediating the relationship between age, temporal acuity, and multisensory integration.