A Double-Blind, Placebo-Controlled Study of the Effects of Daily tDCS Sessions Targeting the Dorsolateral Prefrontal Cortex on Tinnitus Handicap Inventory and Visual Analog Scale Scores

Tinnitus is a common condition that affects approximately 20.7 % of the general population, according to a recent study [1]. Although different causes may be at play, a likely pathophysiological mechanism might be, for example, maladaptive reorganization of the auditory cortex in response to cochlear damage or degeneration and auditory loss restricted to specific sound frequencies. The persistence of continuous neural activity in the corresponding tonotopic cortical representation areas might, then, cause phantom perception of sound in the affected frequencies, leading to tinnitus. (Source: BRAIN STIMULATION: Basic, Translational, and Clinical Research in Neuromodulation)

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