Tinnitus. Tinnitus
Conditions
Interventions
Intervention 1: First intervention group: In this group, the tDCS-tRNS method is used to provide multi-site electrical stimulation. In each session, first, tDCS stimulation with a current intensity of
Sponsors
Tehran University of Medical Sciences
Eligibility
Sex/Gender
All
Age
18 Years to 60 Years
Inclusion criteria
Inclusion criteria: Age range from 18 to 60 years At least six months of persistent non-pulsatile tinnitus perception Normal hearing thresholds (below 25 dB HL) at frequencies from 250 to 2000 Hz and hearing thresholds below 40 dB HL at frequencies above 2000 Hz The normal state of the outer and middle ear (normal otoscopy and obtaining a type A tympanogram with a static compliance between 0.3 and 1.6) Passing at least six months since receiving transcranial electrical or magnetic stimulation (regardless of the purpose of stimulation and the stimulation protocol used) Having the necessary abilities to perform the tests
Exclusion criteria
Exclusion criteria: Perceiving polyphonic tinnitus Observing a conductive component (Air-Bone Gap = 15 dB HL) in the audiogram Formal music training Having diseases of the ear, nose and throat The existence of obvious cognitive disorders and mental disability Suffering from chronic neurological diseases Suffering from chronic psychiatric disorders A history of alcohol and drug abuse or addiction Taking drugs that affect the function of the central nervous system A history of severe head trauma or surgery related to the central nervous system in the head and neck area Receiving other conventional treatment methods for tinnitus in at least the last six months Using a heart pacemaker or implantable electrodes in the head and neck area Pregnancy
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Tinnitus psychophysical loudness. Timepoint: Before, after and three months after the electrical stimulation sessions. Method of measurement: Loudness matching.;Tinnitus loudness. Timepoint: Before, after and three months after the electrical stimulation sessions. Method of measurement: Visual Analogue Scale (VAS).;Tinnitus annoyance. Timepoint: Before, after and three months after the electrical stimulation sessions. Method of measurement: Visual Analogue Scale (VAS).;The degree of tinnitus handicap. Timepoint: Before, after and three months after the electrical stimulation sessions. Method of measurement: Tinnitus Handicap Inventory (THI).;The degree of negative effects of tinnitus. Timepoint: Before, after and three months after the electrical stimulation sessions. Method of measurement: Tinnitus Functional Index (TFI).;Satisfaction with quality of life. Timepoint: Before, after and three months after the electrical stimulation sessions. Method of measurement: SF-36 Questionnaire.;Severity of depression. Timepoint: Before, after and three months after the electrical stimulation sessions. Method of measurement: Beck Depression Inventory-Second Edition (BDI-II).;Severity of anxiety. Timepoint: Before, after and three months after the electrical stimulation sessions. Method of measurement: Beck Anxiety Inventory (BAI).;Absolute power of EEG frequency bands. Timepoint: Before, after and three months after the electrical stimulation sessions. Method of measurement: EEGLAB software.;Relative power of EEG frequency bands. Timepoint: Before, after and three months after the electrical stimulation sessions. Method of measurement: EEGLAB software.;Current source density. Timepoint: Before, after and three months after the electrical stimulation sessions. Method of measurement: sLORETA software. | — |
Secondary
| Measure | Time frame |
|---|---|
| Tinnitus pitch. Timepoint: Before, after and three months after the electrical stimulation sessions. Method of measurement: Pitch matching. | — |
Countries
Iran (Islamic Republic of)
Contacts
Public ContactSahand Nazeri
Tehran University of Medical Sciences
Outcome results
None listed