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Auditory Pathway

Auditory Pathway

Auditory pathways constitute the complex neural circuits responsible for transmitting and interpreting auditory information from the peripheral auditory system to the brain. Sound waves are initially captured by the outer ear, funneled through the ear canal, and reach the tympanic membrane (eardrum). These vibrations are transmitted via the middle ear's ossicles to the inner ear's cochlea.
When viewed cross-sectionally, the cochlea reveals the scala vestibuli and scala tympani flanking...

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Voice and Temporal Auditory Processing in Elderly People: A Correlation Study.

Mariana Batista de Souza Santos¹, Lílian Ferreira Muniz¹, Adriana de Oliveira Camargo Gomes¹

¹Department of Speech Therapy, Centro de Ciências da Saúde, Universidade Federal de Pernambuco, Recife, Pernambuco, Brazil.

International Archives of Otorhinolaryngology

|February 7, 2024

Summary

Aging impairs vocal production and hearing, affecting communication in older adults. This study found a link between reduced temporal auditory processing and voice changes in the elderly.

Keywords:

aging hearing language older adult pathology speech voice

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Published on: October 25, 2019

Area of Science:

Gerontology
Audiology
Speech-Language Pathology

Background:

Aging can negatively impact voice and hearing, leading to communication challenges for elderly individuals.
Effective vocal production relies on central nervous system temporal auditory processing, which may decline with age.

Purpose of the Study:

To investigate the relationship between voice characteristics and temporal auditory processing abilities in older adults.

Main Methods:

40 participants aged 60+ were divided into groups based on vocal symptoms (Voice Symptom Scale).
Auditory temporal tests, vocal self-assessments, and acoustic/perceptual voice analyses were conducted.

Main Results:

Most participants showed decreased voice intensity but normal vocal quality variability.
Temporal auditory processing tests revealed alterations, particularly in the Random Gap Detection and Masking Period Pattern tests.
A correlation was found between temporal resolution deficits and increased vocal alteration severity and roughness.

Conclusions:

Central auditory processing, specifically temporal resolution, is impaired in the elderly.
This auditory impairment is significantly correlated with vocal alterations observed in older adults.