Brainstem Auditory Response in Patients with Multiple sclerosis

Abstract

Auditory Brainstem Response (ABR) was investigated in nine patients with multiple sclerosis. In this study, the fast and slow components of ABR were separated by using different filter bandwiths. The fast ABRs were recorded using 150-3, 000Hz filter bandwiths. The slow component was isolated using 5-150Hz filter bandwiths. In multiple sclerosis series, the fast components were prolonged and diminished in amplitude. The slow component, however, was not affected by the disease. These data support the hypothesis that the fast and the slow components of the ABR are generated by different mechanisms.