The Acoustic Change Complex in normal hearing adults and adults with sensorineural hearing loss
Completed
- Conditions
- 10019243DeafnessHearing Loss
- Registration Number
- NL-OMON45183
- Lead Sponsor
- niversitair Medisch Centrum Utrecht
- Brief Summary
Trial ended prematurely
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Completed
- Sex
- Not specified
- Target Recruitment
- 48
Inclusion Criteria
Normal hearing group:
- Age >=18 years
- Written informed consent
- Hearing thresholds standard audiometric test (125 - 8000Hz) <= 20 dB HL and an average over 500-1000-2000-4000 Hz <= 15 dB HL ;SNHL group:
- Age >=18 years
- Written informed consent
- Hearing thresholds standard audiometric test (125 - 8000Hz) > 20 dB HL and an average over 500-1000-2000-4000 Hz > 15 dB HL
- Average air-bone gap of <= 7.5 dB over 250-500-1000-2000 Hz
Exclusion Criteria
- Neurological or mental disorders
- Use of anticonvulsant medication or psychotherapeutic drugs
Study & Design
- Study Type
- Observational non invasive
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method <p>The presence of the ACC waveform evoked by the smallest frequency change and<br /><br>the just noticeable frequency difference perceived by normal hearing adults and<br /><br>SNHL patients, expressed in Hz. </p><br>
- Secondary Outcome Measures
Name Time Method <p>The speech reception in noise threshold obtained by normal hearing adults and<br /><br>SNHL patients, expressed in dB.</p><br>