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Age-Related Effects on Cross-Modal Duration Perception.

Alexandra N Scurry1, Dustin Dutcher1, John S Werner2

  • 11Department of Psychology, University of Nevada, Reno, NV 89557, USA.

Multisensory Research
|October 25, 2019
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Summary

Aging affects how we perceive time, especially when senses like sight and sound conflict. Older adults show differences in visual duration perception compared to younger adults, particularly with distracting auditory cues.

Keywords:
Cross-modal duration perceptionagingmultisensory integration

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Area of Science:

  • Cognitive Neuroscience
  • Human Perception
  • Aging Research

Background:

  • Accurate duration perception is crucial for daily functions like action coordination and speech discrimination.
  • Visual duration perception is influenced by auditory stimuli, but age-related changes are understudied.

Purpose of the Study:

  • To investigate the impact of aging on visual and auditory duration perception.
  • To quantify age-related differences in duration discrimination, auditory temporal dominance, and cross-modal duration illusions.

Main Methods:

  • Measured duration discrimination thresholds for visual and auditory stimuli in young and older adults.
  • Assessed auditory temporal dominance and visual duration expansion/compression effects with cross-modal stimuli.

Main Results:

  • No age effect on duration discrimination thresholds, though visual thresholds were higher than auditory.
  • Auditory modality maintained temporal dominance with age, but older adults were less accurate with cross-modal distractors.
  • Older adults showed greater visual duration expansion across a wider range of auditory durations than younger adults.

Conclusions:

  • Aging impacts multisensory integration in duration perception, particularly under distracting conditions.
  • Age-related changes in decision strategies may influence how individuals integrate temporal information across senses.