Acoustic perception features in normal hearing adults and children

Psychophysical studies are elemental ways to describe sound perception which includes the identification of perceptual differences in children, young and older adults. This study summarizes various psychophysical abilities with aims to provide better understanding in the perceptual development of no...

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Main Authors:	Jamaluddin, Saiful Adli, Rance, Gary, Dzulkarnain, Ahmad Aidil Arafat, Ali Hanafiah, Nurlin
Format:	Conference or Workshop Item
Language:	English
Published:	2011
Subjects:	R Medicine (General)
Online Access:	http://irep.iium.edu.my/26744/ http://irep.iium.edu.my/26744/3/IRIIE_3.pdf

id	iium-26744
recordtype	eprints
spelling	iium-267442012-11-22T00:05:50Z http://irep.iium.edu.my/26744/ Acoustic perception features in normal hearing adults and children Jamaluddin, Saiful Adli Rance, Gary Dzulkarnain, Ahmad Aidil Arafat Ali Hanafiah, Nurlin R Medicine (General) Psychophysical studies are elemental ways to describe sound perception which includes the identification of perceptual differences in children, young and older adults. This study summarizes various psychophysical abilities with aims to provide better understanding in the perceptual development of normal hearing subjects. This study investigated frequency resolution, frequency discrimination and temporal resolution abilities in two age groups (adults and children). These groups consist of 20 normal hearing adults (mean + SD: 31.4 + 9.0 years) and 10 normal hearing children (mean + SD: 78.8 + 25 months) with behavioural thresholds of ≤ 10 dBHL at octave frequencies between 250 Hz and 4 KHz. Frequency resolution test using the notched noise masking technique showed the children’s group had significantly larger filter bandwidths as compared to the adult group (One-way ANOVA: F = 27.61, p < 0.001). Temporal Modulation Transfer Function (TMTF) at modulation frequencies 10 Hz, 50 Hz and 150 Hz obtained from adults were significantly lower as compared to the children’s group also indicating an age related effect. (One-way ANOVA: 10 Hz: F = 23.44, p < 0.001; 50 Hz: F = 26.84, p < 0.001; 150 Hz: F = 259.34, p < 0.001). Pearson r correlations also showed significantly strong negative linear correlation between age across all test modulation frequencies (10 Hz: r = - 0.64, p < 0.001; 50 Hz: r = - 0.66, p < 0.001; 150 Hz: r = - 0.92, p < 0.001). Frequency discrimination tests at 500 Hz and 4000 Hz showed no significant difference between groups (One way ANOVA: Difference Limen of Frequency (DLF) 500 Hz: F = 1.64, p = 0.21; DLF 4000 Hz: F = 2.13, p = 0.156). Pearson r correlation also showed no significant linear correlation between groups for both frequency difference limen tests (DLF 500 Hz: r = -0.235, p = 0.211; DLF 4000 Hz; r = -0.503, p = 0.074). In summary, the coding processes of auditory information are different in adults and children and maturity of some processes may take place later in life and even declines at some point of age. With addition of hearing impairment, outcome of a successful rehabilitation programme can be affected. 2011 Conference or Workshop Item PeerReviewed application/pdf en http://irep.iium.edu.my/26744/3/IRIIE_3.pdf Jamaluddin, Saiful Adli and Rance, Gary and Dzulkarnain, Ahmad Aidil Arafat and Ali Hanafiah, Nurlin (2011) Acoustic perception features in normal hearing adults and children. In: IIUM Research, Invention and Innovation Exhibition IRIIE 2011, 9-10, February 2011, Gombak, Kuala Lumpur. (Unpublished)
repository_type	Digital Repository
institution_category	Local University
institution	International Islamic University Malaysia
building	IIUM Repository
collection	Online Access
language	English
topic	R Medicine (General)
spellingShingle	R Medicine (General) Jamaluddin, Saiful Adli Rance, Gary Dzulkarnain, Ahmad Aidil Arafat Ali Hanafiah, Nurlin Acoustic perception features in normal hearing adults and children
description	Psychophysical studies are elemental ways to describe sound perception which includes the identification of perceptual differences in children, young and older adults. This study summarizes various psychophysical abilities with aims to provide better understanding in the perceptual development of normal hearing subjects. This study investigated frequency resolution, frequency discrimination and temporal resolution abilities in two age groups (adults and children). These groups consist of 20 normal hearing adults (mean + SD: 31.4 + 9.0 years) and 10 normal hearing children (mean + SD: 78.8 + 25 months) with behavioural thresholds of ≤ 10 dBHL at octave frequencies between 250 Hz and 4 KHz. Frequency resolution test using the notched noise masking technique showed the children’s group had significantly larger filter bandwidths as compared to the adult group (One-way ANOVA: F = 27.61, p < 0.001). Temporal Modulation Transfer Function (TMTF) at modulation frequencies 10 Hz, 50 Hz and 150 Hz obtained from adults were significantly lower as compared to the children’s group also indicating an age related effect. (One-way ANOVA: 10 Hz: F = 23.44, p < 0.001; 50 Hz: F = 26.84, p < 0.001; 150 Hz: F = 259.34, p < 0.001). Pearson r correlations also showed significantly strong negative linear correlation between age across all test modulation frequencies (10 Hz: r = - 0.64, p < 0.001; 50 Hz: r = - 0.66, p < 0.001; 150 Hz: r = - 0.92, p < 0.001). Frequency discrimination tests at 500 Hz and 4000 Hz showed no significant difference between groups (One way ANOVA: Difference Limen of Frequency (DLF) 500 Hz: F = 1.64, p = 0.21; DLF 4000 Hz: F = 2.13, p = 0.156). Pearson r correlation also showed no significant linear correlation between groups for both frequency difference limen tests (DLF 500 Hz: r = -0.235, p = 0.211; DLF 4000 Hz; r = -0.503, p = 0.074). In summary, the coding processes of auditory information are different in adults and children and maturity of some processes may take place later in life and even declines at some point of age. With addition of hearing impairment, outcome of a successful rehabilitation programme can be affected.
format	Conference or Workshop Item
author	Jamaluddin, Saiful Adli Rance, Gary Dzulkarnain, Ahmad Aidil Arafat Ali Hanafiah, Nurlin
author_facet	Jamaluddin, Saiful Adli Rance, Gary Dzulkarnain, Ahmad Aidil Arafat Ali Hanafiah, Nurlin
author_sort	Jamaluddin, Saiful Adli
title	Acoustic perception features in normal hearing adults and children
title_short	Acoustic perception features in normal hearing adults and children
title_full	Acoustic perception features in normal hearing adults and children
title_fullStr	Acoustic perception features in normal hearing adults and children
title_full_unstemmed	Acoustic perception features in normal hearing adults and children
title_sort	acoustic perception features in normal hearing adults and children
publishDate	2011
url	http://irep.iium.edu.my/26744/ http://irep.iium.edu.my/26744/3/IRIIE_3.pdf
first_indexed	2023-09-18T20:39:48Z
last_indexed	2023-09-18T20:39:48Z
_version_	1777409288880259072

Acoustic perception features in normal hearing adults and children

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