Assessing spectral and temporal processing in children and adults using Temporal Modulation Transfer Function (TMTF), Iterated Ripple Noise (IRN) perception, and Spectral Ripple Discrimination (SRD)

Varghese Peter, Kogo Wong, Vijaya Kumar Narne, Mridula Sharma, Suzanne C. Purdy, Catherine McMahon

Research output: Contribution to journalArticleResearchpeer-review

Abstract

Background: There are many clinically available tests for the assessment of auditory processing skills in children and adults. However, there is limited data available on the maturational effects on the performance on these tests. Purpose: The current study investigated maturational effects on auditory processing abilities using three psychophysical measures: temporal modulation transfer function (TMTF), iterated ripple noise (IRN) perception, and spectral ripple discrimination (SRD). Research Design: A cross-sectional study. Three groups of subjects were tested: 10 adults (18-30 yr), 10 older children (12-18 yr), and 10 young children (8-11 yr) Data Collection and Analysis: Temporal envelope processing was measured by obtaining thresholds for amplitude modulation detection as a function of modulation frequency (TMTF; 4, 8, 16, 32, 64, and 128 Hz). Temporal fine structure processing was measured using IRN, and spectral processing was measured using SRD. Results: The results showed that young children had significantly higher modulation thresholds at 4 Hz (TMTF) compared to the other two groups and poorer SRD scores compared to adults. The results on IRN did not differ across groups. Conclusions: The results suggest that different aspects of auditory processing mature at different age periods and these maturational effects need to be considered while assessing auditory processing in children.

LanguageEnglish
Pages210-218
Number of pages9
JournalJournal of the American Academy of Audiology
Volume25
Issue number2
DOIs
Publication statusPublished - 2014

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Noise
Aptitude
Research Design
Cross-Sectional Studies
Discrimination (Psychology)

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title = "Assessing spectral and temporal processing in children and adults using Temporal Modulation Transfer Function (TMTF), Iterated Ripple Noise (IRN) perception, and Spectral Ripple Discrimination (SRD)",
abstract = "Background: There are many clinically available tests for the assessment of auditory processing skills in children and adults. However, there is limited data available on the maturational effects on the performance on these tests. Purpose: The current study investigated maturational effects on auditory processing abilities using three psychophysical measures: temporal modulation transfer function (TMTF), iterated ripple noise (IRN) perception, and spectral ripple discrimination (SRD). Research Design: A cross-sectional study. Three groups of subjects were tested: 10 adults (18-30 yr), 10 older children (12-18 yr), and 10 young children (8-11 yr) Data Collection and Analysis: Temporal envelope processing was measured by obtaining thresholds for amplitude modulation detection as a function of modulation frequency (TMTF; 4, 8, 16, 32, 64, and 128 Hz). Temporal fine structure processing was measured using IRN, and spectral processing was measured using SRD. Results: The results showed that young children had significantly higher modulation thresholds at 4 Hz (TMTF) compared to the other two groups and poorer SRD scores compared to adults. The results on IRN did not differ across groups. Conclusions: The results suggest that different aspects of auditory processing mature at different age periods and these maturational effects need to be considered while assessing auditory processing in children.",
author = "Varghese Peter and Kogo Wong and Narne, {Vijaya Kumar} and Mridula Sharma and Purdy, {Suzanne C.} and Catherine McMahon",
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Assessing spectral and temporal processing in children and adults using Temporal Modulation Transfer Function (TMTF), Iterated Ripple Noise (IRN) perception, and Spectral Ripple Discrimination (SRD). / Peter, Varghese; Wong, Kogo; Narne, Vijaya Kumar; Sharma, Mridula; Purdy, Suzanne C.; McMahon, Catherine.

In: Journal of the American Academy of Audiology, Vol. 25, No. 2, 2014, p. 210-218.

Research output: Contribution to journalArticleResearchpeer-review

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AU - Wong, Kogo

AU - Narne, Vijaya Kumar

AU - Sharma, Mridula

AU - Purdy, Suzanne C.

AU - McMahon, Catherine

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