Auditory processing disorder.
Conditions
Interventions
Intervention 1: Intervention group 1: receiving dynamic spatial hearing rehabilitation in twelve weeks (two sessions weekly, one hour each) at the center and on a daily basis at home. Intervention 2:
Sponsors
Tehran University of Medical Sciences
Eligibility
Sex/Gender
Male
Age
60 Years to 75 Years
Inclusion criteria
Inclusion criteria: Elderly men aged between 60-75 years . The average thresholds of frequencies of 500, 1000, 2000 Hz are less than or equal to25 dB HL in both ears, and the thresholds of each of the higher frequencies alone are less than or equal to 40 dB HL (31) and the auditory symmetry in both ears (mean difference of threshold About dB 5 HL). Normal middle ear: Type A Tympanogram and Static Compailance between 0.3 and 1.6 Right handedness (based on Edinburgh Handedness Inventory) Farsi language and Monolingual Lack of cognitive problems (obtaining a minimum score of 21 out of 30 Mini–Mental State Examination (MMSE) having problem of speech perception in noisy environments based on the participant’s statement No pacemaker due to interference with electrical stimulation Lack of norologic disease. Lack of uncontrolled high blood pressure or diabetes
Exclusion criteria
Exclusion criteria: Normal results of all evaluations and tests used in this study before any intervention Reluctant to continue cooperation in research
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Signal to noise ratio loss index (SNR Loss). Timepoint: Before, immediately after completing intervention, and one month after the completion of intervention. Method of measurement: Quick Speech in Noise (QSIN) Test.;Spatial Release from Masking index. Timepoint: Before, immediately after completing intervention, and one month after the completion of intervention. Method of measurement: Binaural Masking Level Difference Test (BMLD).;The total and subscales score of the SSQ questionnaire. Timepoint: Before, immediately after completing intervention, and one month after the completion of intervention. Method of measurement: Persian version of speech, spatial and qualities of hearing scale (SSQ).;P1, N1, P2 latencies. Timepoint: Before, immediately after completing intervention, and one month after the completion of intervention. Method of measurement: Recording auditory late latency responses (LLR).;N1-P2 amplitude. Timepoint: Before, immediately after completing intervention, and one month after the completion of intervention. Method of measurement: Recording auditory late latency responses (LLR). | — |
Countries
Iran (Islamic Republic of)
Contacts
Public ContactMansoureh Adel Ghahraman
Tehran University of Medical Sciences
Outcome results
None listed