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  • Title: Central auditory processing and migraine: a controlled study.
    Author: Agessi LM, Villa TR, Dias KZ, Carvalho Dde S, Pereira LD.
    Journal: J Headache Pain; 2014 Nov 08; 15(1):72. PubMed ID: 25380661.
    Abstract:
    BACKGROUND: This study aimed to verify and compare central auditory processing (CAP) performance in migraine with and without aura patients and healthy controls. METHODS: Forty-one volunteers of both genders, aged between 18 and 40 years, diagnosed with migraine with and without aura by the criteria of "The International Classification of Headache Disorders" (ICDH-3 beta) and a control group of the same age range and with no headache history, were included. Gaps-in-noise (GIN), Duration Pattern test (DPT) and Dichotic Digits Test (DDT) tests were used to assess central auditory processing performance. RESULTS: The volunteers were divided into 3 groups: Migraine with aura (11), migraine without aura (15), and control group (15), matched by age and schooling. Subjects with aura and without aura performed significantly worse in GIN test for right ear (p = .006), for left ear (p = .005) and for DPT test (p < .001) when compared with controls without headache, however no significant differences were found in the DDT test for the right ear (p = .362) and for the left ear (p = .190). CONCLUSIONS: Subjects with migraine performed worsened in auditory gap detection, in the discrimination of short and long duration. They also presented impairment in the physiological mechanism of temporal processing, especially in temporal resolution and temporal ordering when compared with controls. Migraine could be related to an impaired central auditory processing. CLINICAL TRIAL REGISTRATION: Research Ethics Committee (CEP 0480.10) - UNIFESP.
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