The prefrontal cortex is the most interconnected hub in the network. Based on the tinnitus network model, tinnitus is the result of broad network activation in which the auditory cortex is the central hub, and many other areas serve as the perception, salience, and distress-related hubs in the network. The most recent models are the tinnitus network and chaos. ĭifferent theories and models concerning the generation of tinnitus have been proposed. Tinnitus is often associated with symptoms such as annoyance, depression, sleep disorder, and insufficient concentration which are usually the result of its related distress. Tinnitus is an auditory phantom perception of sound that affects the life of 18–24% of people around the world. However, more investigations on the effectiveness supported by data from controlled clinical trials and more correlations with ASSR alteration are highly suggested. The use of binaural beat as an acoustic neuromodulation method for tinnitus management may be recommended according to the current study findings. Besides, there was a high correlation between the decreasing of the subjective scores with the rising of the amplitude of 40-Hz ASSR. ResultsĪfter 1 month of binaural beat stimuli listening, all of the subjective findings were significantly improved, and the amplitude of 40-Hz ASSR was increased in the right auditory and anterior frontal regions at 2000-Hz carrier frequency. In this study, the effect of binaural beat stimuli was evaluated subjectively using the tinnitus handicap inventory (THI) scores, the visual analog scale for loudness and annoyance (VAS_L, VAS_A), and objectively by the 40-Hz ASSR after 1 month of listening to binaural beats, and the correlation between these two assessments was evaluated. Seventeen chronic tinnitus subjects participated in this quasi-experimental (quantitative research) study. Thus, we hypothesized that binaural beat could be helpful in the relief of tinnitus distress and annoyance. Binaural beats (BB) are one of acoustic neuromodulation approaches used in psychological disorders, such as distress and anxiety. Tinnitus impact on persons’ lifestyle, function, and emotion is of significant importance that has been the leader for conducting an increasing amount of research in the field of tinnitus pathophysiology, assessment, and management.
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