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Auris Nasus Larynx. 2011 Dec;38(6):735-8. doi: 10.1016/j.anl.2011.02.003. Epub 2011 May 17.

Neurofeedback for subjective tinnitus patients.

Author information

1
Fondazione Ascolta e Vivi, Via Foppa 15, Milan, Italy.

Abstract

OBJECTIVE:

Previous studies report that enhanced power in the delta range (1.5-4Hz) and reduced power in the alpha frequency band (8-12Hz) were most pronounced in the temporal regions. These studies referred to the 8-12Hz activity as tau activity, and they created a new neurofeedback protocol to treat tinnitus using a temporally generated tau rhythm (8-12Hz) and slow waves in the delta range (3-4Hz) for feedback. This study aims to repeat this protocol and to evaluate its effect on tinnitus.

METHODS:

Fifteen normal-hearing patients with tinnitus were treated with the neurofeedback protocol. The Tinnitus Handicap Inventory and Visual Analogue Scales were administered before and after treatment and at 1, 3 and 6 months post-treatment.

RESULTS:

After therapy, all questionnaires scores were significant improved, and the improvements persisted throughout the followup period. Moreover, an increasing trend in the tau/delta ratio was observed; specifically, the trend was more stable respect of the pre-recording measure. However, only in some subjects may the signal alone be enough to develop the correct behaviors.

CONCLUSION:

Further studies are necessary to characterize the tinnitus subjects who recovered from and adapted to this psychophysical condition and, therefore, responded to neurofeedback therapy.

PMID:
21592701
DOI:
10.1016/j.anl.2011.02.003
[Indexed for MEDLINE]
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