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Updated: Jul 12, 2026
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Infant Auditory Processing and Event-related Brain Oscillations
Published on: July 1, 2015
Age-related differences in auditory event-related potentials during a cued attention task
Ilana J Bennett1, Edward J Golob, Arnold Starr
1Department of Neurology, Institute for Brain Aging and Dementia, University of California, 154 Med Surge I, Irvine, CA 92697, USA.
Summary
Aging impacts attentional regulation, with older adults showing distinct event-related potential (ERP) differences in response to auditory cues compared to younger adults.
Area of Science:
- Neuroscience
- Cognitive Psychology
- Gerontology
Background:
- Attentional regulation is crucial for cognitive function.
- Aging is often associated with cognitive changes, including attention.
- Event-related potentials (ERPs) offer insights into neural processes underlying attention.
Purpose of the Study:
- To investigate age-related differences in attentional regulation.
- To utilize behavioral and ERP measures to assess these differences.
- To explore how aging affects the brain's response to cued attention tasks.
Main Methods:
- A cued auditory attention task was administered to younger (mean age 20) and older (mean age 76) adults.
- Participants responded to target tones based on spatial and pitch cues.
- Event-related potentials (ERPs), including P50, N100, P200, slow waves, and contingent negative variations (CNVs), were recorded.
Main Results:
- Reaction times were affected by cue validity in both age groups.
- Younger adults showed cue-dependent modulation of the N100 ERP component, unlike older adults.
- Older adults exhibited larger and more prolonged slow wave responses to cues and targets, indicating age-related differences in sustained attention.
Conclusions:
- Significant age differences exist in ERPs associated with attentional processing during a cued attention task.
- These findings support the hypothesis that alterations in attentional mechanisms contribute to cognitive aging.
- Understanding these neural changes can inform interventions aimed at mitigating age-related cognitive decline.
