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Prevalence of chronic subjective tinnitus is rising with age and associated with maladaptive oscillatory changes in auditory as well as non-auditory regions of the brain such as the insula and the anterior cingulate cortex which are known to be key points within the salience and distress networks of the brain.Thus, we are conducting a clinical trial by implementing those auditory as well as non-auditory regions into a tomographical neurofeedback Training (ToNF) -protocol.
Prior to 12 electroencephalography (EEG) -based ToNF-trainings with 36 older participants using standardized Low Resolution Electromagnetic Tomography Software (sLORETA, Pascual-Marqui 2002), participants' brains will be measured using structural magnet resonance imaging (sMRI) in order to identify potential structural markers for training success (e.g. cortical thickness).
Training success will be measured by oscillatory change via EEG before and after the training period as well as by means of follow-up measures. Furthermore, a comprehensive battery of behavioral and psychometric standardized self-report questionnaires will be applied.
Based on this multifocal (Insula, dorsal anterior cingulate cortex & auditory cortex) ToNF we expect oscillatory changes resulting in decreased tinnitus symptoms such as perceived loudness and distress.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| dACC,I,AC | Active Comparator | Within each training session, participants will receive 7 minutes training for each of the three brain areas Insula (I), dorsal anterior cingulate cortex (dACC) & the auditory cortex (AC) resulting in 21Minutes of training for each session. The arm Title describes the order in which participants within this Arm will receive the three trainings. (E.g. dACC,I,AC: each participant in this group receives the training of the dACC first and the AC last.) This sequence order is kept stable during all training sessions. 12 sessions of Neurofeedback Training, 1-2 times per week. |
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| dACC,AC,I | Active Comparator | Within each training session, participants will receive 7 minutes training for each of the three brain areas Insula (I), dorsal anterior cingulate cortex (dACC) & the auditory cortex (AC) resulting in 21Minutes of training for each session. The arm Title describes the order in which participants within this Arm will receive the three trainings. (E.g. dACC,I,AC: each participant in this group receives the training of the dACC first and the AC last.) This sequence order is kept stable during all training sessions. 12 sessions of Neurofeedback Training, 1-2 times per week.12 sessions of Neurofeedback Training, 1-2 times per week. |
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| I,dACC,AC | Active Comparator | Within each training session, participants will receive 7 minutes training for each of the three brain areas Insula (I), dorsal anterior cingulate cortex (dACC) & the auditory cortex (AC) resulting in 21Minutes of training for each session. The arm Title describes the order in which participants within this Arm will receive the three trainings. (E.g. dACC,I,AC: each participant in this group receives the training of the dACC first and the AC last.) This sequence order is kept stable during all training sessions. 12 sessions of Neurofeedback Training, 1-2 times per week. |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| tomographic EEG Neurofeedback Training | Other | EEG-Electrodes are placed on the patients head to record the brain activity, EEG-recordings are processed by the standardized Low Resolution Brain Electromagnetic Tomography algorithm (sLORETA) to calculate the frequency spectrum in the auditory cortex, the insula and the anterior cingulate cortex and deliver feedback for the patient |
| Measure | Description | Time Frame |
|---|---|---|
| Change from Baseline in Tinnitus symptoms assessed by questionnaires | Assessement of the Tinnitus symptoms before and after the Treatment with neurofeedback by different questionnaires | Time Frame: at 1, 3, 6 month follow up |
| Change from Baseline in frequency band EEG-activity in the auditory cortex, insula & dorsal anterior cingulate cortex | EEG recordings of the trained frequency bands are compared before and after the Intervention in the named time periods | Time Frame: at 1, 3, 6 month follow up |
| Measure | Description | Time Frame |
|---|---|---|
| brain structure (volume, surface area) of the three regions of interest as predictor for training success. | MRI measurement before training | Baseline (measurement before training) |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University Hospital Zurich, Division of Otorhinolaryngology ORL | Zurich | Canton of Zurich | 8091 | Switzerland |
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| ID | Term |
|---|---|
| D014012 | Tinnitus |
| ID | Term |
|---|---|
| D006311 | Hearing Disorders |
| D004427 | Ear Diseases |
| D010038 | Otorhinolaryngologic Diseases |
| D012678 | Sensation Disorders |
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| I,AC,dACC | Active Comparator | Within each training session, participants will receive 7 minutes training for each of the three brain areas Insula (I), dorsal anterior cingulate cortex (dACC) & the auditory cortex (AC) resulting in 21Minutes of training for each session. The arm Title describes the order in which participants within this Arm will receive the three trainings. (E.g. dACC,I,AC: each participant in this group receives the training of the dACC first and the AC last.) This sequence order is kept stable during all training sessions. 12 sessions of Neurofeedback Training, 1-2 times per week. |
|
| AC,dACC,I | Active Comparator | Within each training session, participants will receive 7 minutes training for each of the three brain areas Insula (I), dorsal anterior cingulate cortex (dACC) & the auditory cortex (AC) resulting in 21Minutes of training for each session. The arm Title describes the order in which participants within this Arm will receive the three trainings. (E.g. dACC,I,AC: each participant in this group receives the training of the dACC first and the AC last.) This sequence order is kept stable during all training sessions. 12 sessions of Neurofeedback Training, 1-2 times per week. |
|
| AC,I,dACC | Active Comparator | Within each training session, participants will receive 7 minutes training for each of the three brain areas Insula (I), dorsal anterior cingulate cortex (dACC) & the auditory cortex (AC) resulting in 21Minutes of training for each session. The arm Title describes the order in which participants within this Arm will receive the three trainings. (E.g. dACC,I,AC: each participant in this group receives the training of the dACC first and the AC last.) This sequence order is kept stable during all training sessions. 12 sessions of Neurofeedback Training, 1-2 times per week. |
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| D009461 |
| Neurologic Manifestations |
| D009422 | Nervous System Diseases |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |