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Suprathreshold Processing and Cocktail Party Listening in Younger and Older Adults with Normal Hearing

  • Chandni Jain
  • Vikas Mysore DwarakanathEmail author
  • Amritha G
Article
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Abstract

Present study aimed to investigate the effect of age and suprathreshold processing on cocktail party listening in individuals with normal hearing sensitivity. A total of 92 participants with normal hearing sensitivity were included in the study. They were divided into two groups based on their age. Fifty two young normal hearing adults in the age range of 20–40 years and 40 older normal hearing adults in the age range of 60-80 years. Tests administered included speech perception in noise test, spatial selective attention, gap detection thresholds, temporal modulation transfer function, inter-aural time difference, differential limen of frequency and ripple noise discrimination. Results showed that older adults performed poorer than younger adults in all the tests. Also, temporal cues showed a better relation with speech perception in noise compared to the spectral cues. This can be attributed to the disrupted neural synchrony which is due to poor frequency selectivity as observed through ripple noise discrimination. Individuals rely more on temporal cues due to poorer frequency resolution and phase locking mechanism and also on top down processes such as selective attention too. A degraded speech input would lead them to rely more on their higher cognition.

Keywords

Temporal processing Spectral processing Speech perception 

Notes

Compliance with Ethical Standards

Conflict of Interest

On behalf of all authors, the corresponding author expresses no conflict of interest.

Financial Disclosures

No financial support was received from the government or non-government organization.

Informed Consent

Informed consent was obtained from all the participants of the study and the study protocol was approved by the institutional ethical committee.

Ethical Treatment of Experimental Subjects (Human)

All procedures performed in this study involving human participants were in accordance with the ‘Ethical guidelines for bio-behavioral research involving human subjects’, All India Institute of Speech and Hearing, Mysuru and with the1964 Helsinki declaration and its later amendments.

Ethical Approval

This article does not contain any studies with animals performed by any of the authors.

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  • Chandni Jain
    • 1
  • Vikas Mysore Dwarakanath
    • 1
    Email author
  • Amritha G
    • 1
  1. 1.Department of AudiologyAll India Institute of Speech and HearingMysoreIndia

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