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Abstract
BackgroundThis study aimed to verify and compare central auditory processing (CAP) performance in migraine with and without aura patients and healthy controls.MethodsForty-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.ResultsThe 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).ConclusionsSubjects 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 registrationResearch Ethics Committee (CEP 0480.10) – UNIFESP
Highlights
This study aimed to verify and compare central auditory processing (CAP) performance in migraine with and without aura patients and healthy controls
The migraine with aura group (MA) had an inferior performance on the GIN test for the left ear (p = .029) and the Duration Pattern test (DPT) test for both ears (p
The migraine without aura group (MwA) had a worse performance on the GIN test for the right ear (p = .005) and the left ear (p = .008) and on the DPT test for both ears (p = .003), when compared with the control group (CG)
Summary
This study aimed to verify and compare central auditory processing (CAP) performance in migraine with and without aura patients and healthy controls. Migraine is a neurological disease associated with an altered cortical excitability level [1]. Neurophysiological reports have shown that migraine is associated with abnormal excitability in visual, somatosensory and motor cortices [2,3,4,5]. There is evidence that migraine patients could present cognitive deficits, being the affected functions memory, processing information speed and attention [7]. The auditory ability to recognize, identify, and sequence sounds involves perceptual and cognitive processes [9]. Central auditory perception (CAP) can be assessed by behavioural tests, which demonstrate good correlations with electrophysiological measures [10]
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