Tinnitus and auditory attentio

Completed

Conditions: phantom sound
ringing of the ear
10019243

Registration Number: NL-OMON35736

Lead Sponsor: niversitair Medisch Centrum Utrecht

Brief Summary: Not available

Detailed Description: Not available

Recruitment & Eligibility

Status: Completed

Sex: Not specified

Target Recruitment: 48

Inclusion Criteria

Healthy controls:
- age: 18 - 65 years
- hearing: threshold for individual frequencies <= 20 dB above normal; thresholds averaged over 0.5, 1, 2 and 4 kHz <= 15 dB above normal;Patients:
- tonal tinnitus, with pitch being clinically matched, with an accuracy of <10%
- unilateral tinnitus (left or right ear)
- a matched tinnitus pitch of 2-8 kHz
- age:18 - 65 years

Exclusion Criteria

Healthy controls:
- tinnitus: Positive diagnosis of tinnitus ;Patients:
- use of hearing aid or tinnitus masker

Study & Design

Study Type: Observational non invasive

Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
<p>Detection performance for target tones with varying frequencies, presented<br /><br>with- and without a cue.<br /><br><br /><br>The following differences in detection performance are relevant to this study:<br /><br>- differences in performance at the cue frequency and at a different frequency<br /><br>- differences in performance at the tinnitus frequency and at a different<br /><br>frequency<br /><br>- differences in performance at the cue frequency and at the tinnitus frequency<br /><br>- differences in performance at the cue frequency in conditions with- and<br /><br>without a cue<br /><br><br /><br>The abovementioned differences in target detection performance will be<br /><br>compared between tinnitus patients and age-matched controls.</p><br>

Secondary Outcome Measures

Name	Time	Method
<p>In tinnitus patients:<br /><br>- the perceived severity of the tinnitus, as indicated by the tinnitus patient<br /><br>on the VAS (Visual Analog Scale) both before and after the experiments.</p><br>