Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Sequential auditory scene analysis is preserved in normal aging adults.

Joel S Snyder1, Claude Alain

  • 1The Rotman Research Institute, Baycrest Centre for Geriatric Care, Toronto, Ontario, Canada. joel_snyder@hms.harvard.edu

Cerebral Cortex (New York, N.Y. : 1991)
|April 4, 2006
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Limited sensory horizons could just as well make conscious perception more likely, rather than less likely.

The Behavioral and brain sciences·2026
Same author

The Effect of the Temporal Position of a Gap on Its Automatic Detection.

The European journal of neuroscience·2026
Same author

Enhanced Contour-Deviant Mismatch Negativity and Mnemonic Representations in Older Musicians.

The European journal of neuroscience·2026
Same author

Object and setting identification in natural auditory scenesa).

The Journal of the Acoustical Society of America·2026
Same author

Functional Dissociation of Mismatch Negativity From Late Discriminative Negativity Across the Adult Lifespan.

The European journal of neuroscience·2026
Same author

Electrophysiological Assessment of Semantic Processing of Cochlear Implant Users Using an Audiobook.

Trends in hearing·2026
Same journal

Differentiation of cortical areas: effects of free energy minimization with broken symmetry.

Cerebral cortex (New York, N.Y. : 1991)·2026
Same journal

Prior exposure to speech rapidly modulates cortical processing of high-level linguistic structure.

Cerebral cortex (New York, N.Y. : 1991)·2026
Same journal

Beta bursts in SMA mediate anticipatory muscle inhibition.

Cerebral cortex (New York, N.Y. : 1991)·2026
Same journal

Cognitive load modulates the effects of social contexts on facial expression processing.

Cerebral cortex (New York, N.Y. : 1991)·2026
Same journal

The neural mechanisms of aligning spatial perspectives.

Cerebral cortex (New York, N.Y. : 1991)·2026
Same journal

Relationships between bilateral tapping skills and brain gray matter volumes: a voxel-based morphometry study.

Cerebral cortex (New York, N.Y. : 1991)·2026
See all related articles

Older adults

Area of Science:

  • Neuroscience
  • Auditory Perception
  • Gerontology

Background:

  • Normal aging often leads to speech perception challenges, particularly in noisy environments.
  • Auditory scene analysis, the brain's ability to segregate sound sources, is crucial for understanding speech in complex settings.
  • Potential age-related declines in auditory processing may impact the ability to separate competing sounds.

Purpose of the Study:

  • To investigate age-related differences in auditory scene analysis, specifically sequential processing.
  • To determine if difficulties in separating competing speech sounds in older adults are linked to impaired auditory streaming.
  • To examine brain activity patterns associated with auditory stream segregation across different age groups.

Main Methods:

  • Event-related brain potentials (ERPs) were recorded from young, middle-aged, and older adults.

Related Experiment Videos

  • Participants listened to repeating triplets of tones (ABA--) with varying frequency differences (Delta f).
  • Analysis focused on brain responses related to stream segregation and sequential processing.

    • Main Results:

    • All age groups showed increased perception of two sound streams with larger frequency differences (Delta f).
    • Brain activity increased progressively throughout the tone sequences in all age groups.
    • Age-related differences were observed in right temporal cortex activity, primarily in younger adults.

    Conclusions:

    • Age-related difficulties in separating competing speakers are unlikely due to deficits in auditory streaming.
    • These difficulties may stem from less efficient concurrent sound segregation in older adults.
    • Auditory stream segregation mechanisms appear largely preserved with age, but concurrent sound processing may decline.