Date of Award

6-2011

Document Type

Open Access

Degree Name

Bachelor of Science

Department

Psychology

First Advisor

Stephen Romero

Language

English

Keywords

tinnitus, hearing, disorder, treatment, morphometry

Abstract

Tinnitus is a debilitating disorder with unknown underlying mechanisms, often induced by loud noises. Tinnitus symptoms include the conscious perception of constant sound absent an external source. This study sought to determine effectiveness of treatment with repetitive transcranial magnetic stimulation (rTMS), and to use voxel-based morphometry (VBM) to identify treatment related neuronal reorganization. One hertz rTMS was delivered for 20 minutes on each of 5 consecutive days. Tinnitus suppression was measured with the Tinnitus Handicap Questionnaire (THQ), and VBM was carried out on structural Magnetic Resonance images collected before and after sham-treatment and rTMS. Findings indicate the effectiveness of rTMS for tinnitus suppression, and changes in grey and white matter volume due to both rTMS and sham treatment.

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