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182 Although some individuals with tinnitus appear to benefit from neurofeedback training, a significant proportion of people are unable to change their brain activity, limiting the usefulness of neurofeedback as a therapeutic approach to tinnitus

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We defined the persistence frequency as the number of subjects for whom the ASV was persistent divided by the number of subjects for whom the ASV was present at least once
The result would be noticeably different shades of pink
