Central auditory dysfunction associated with exposure to a mixture of solvents

Fuente, Adrian, McPherson, Bradley and Hickson, Louise (2011) Central auditory dysfunction associated with exposure to a mixture of solvents. International Journal of Audiology, 50 12: 857-865. doi:10.3109/14992027.2011.605805

Author Fuente, Adrian
McPherson, Bradley
Hickson, Louise
Title Central auditory dysfunction associated with exposure to a mixture of solvents
Journal name International Journal of Audiology   Check publisher's open access policy
ISSN 1499-2027
Publication date 2011-12-01
Year available 2011
Sub-type Article (original research)
DOI 10.3109/14992027.2011.605805
Open Access Status Not Open Access
Volume 50
Issue 12
Start page 857
End page 865
Total pages 9
Place of publication London, United Kingdom
Publisher Informa Healthcare
Language eng
Formatted abstract
Objective: The aim of the present research was to investigate central auditory functioning in normal-hearing, solvent-exposed subjects compared to normal-hearing subjects without solvent exposure, with a comprehensive test battery of behavioural central auditory functioning procedures. Study sample: Forty-six normal-hearing, solvent-exposed subjects and 46 normal-hearing, control subjects were selected to participate in the study. Design: All subjects must present with normal hearing thresholds and absence of history of variables related to the onset of auditory dysfunction. Subjects were evaluated with a test battery comprising pure-tone audiometry (PTA), dichotic digits (DD), pitch pattern sequence (PPS), filtered speech (FS), random gap detection (RGD), masking level difference (MLD), and hearing-in-noise (HINT) tests. Results: Analyses of covariance (ANCOVA) were performed to compare the mean values of the dependent variables (results for DD, PPS, FS, RGD, MLD, and HINT) between solvent-exposed and control subjects. Age and average hearing thresholds (500–8000 Hz) were included in the analyses as covariates. Significant differences for DD, PPS, FS, and RGD results were found between groups. Conclusion: This study provides further evidence of the central auditory dysfunction associated with solvent exposure.
Keyword Behavioral measures
hearing conservation
psychoacoustics/hearing science
speech perception
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2012 Collection
School of Health and Rehabilitation Sciences Publications
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