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  • Title: Assessment of central auditory processing in a group of workers exposed to solvents.
    Author: Fuente A, McPherson B, Muñoz V, Pablo Espina J.
    Journal: Acta Otolaryngol; 2006 Dec; 126(11):1188-94. PubMed ID: 17050312.
    Abstract:
    CONCLUSION: Despite having normal hearing thresholds and speech recognition thresholds, results for central auditory tests were abnormal in a group of workers exposed to solvents. Workers exposed to solvents may have difficulties in everyday listening situations that are not related to a decrement in hearing thresholds. A central auditory processing disorder may underlie these difficulties. OBJECTIVE: To study central auditory processing abilities in a group of workers occupationally exposed to a mix of organic solvents. MATERIALS AND METHODS: Ten workers exposed to a mix of organic solvents and 10 matched non-exposed workers were studied. The test battery comprised pure-tone audiometry, tympanometry, acoustic reflex measurement, acoustic reflex decay, dichotic digit, pitch pattern sequence, masking level difference, filtered speech, random gap detection and hearing-in-noise tests. RESULTS: All the workers presented normal hearing thresholds and no signs of middle ear abnormalities. Workers exposed to solvents had lower results in comparison with the control group and previously reported normative data, in the majority of the tests.
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