Hearing Loss Clinical Trial
Official title:
Efficacy of Auditory Training and Combined Auditory-working-memory Training in Improving Communication and Cognition in Older Adults With Untreated Mild-to-moderate Sensorineural Hearing Impairment
Using a randomized controlled trial, we are going to examine whether a training program that incorporates both auditory training and working memory training (AT-WMT) would generate significantly better results in communication and cognition than an auditory training program and a mindfulness training program (active-control). Participants are 120 older adults (40 per group) with untreated mild-to-moderate sensorineural hearing impairment .
Status | Not yet recruiting |
Enrollment | 120 |
Est. completion date | December 2026 |
Est. primary completion date | June 2026 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 55 Years to 80 Years |
Eligibility | Inclusion Criteria: - Native Cantonese speakers and having been living in Hong Kong for at least 20 years. - Aged between 55 and 80 years. - Normal cognitive function, as screened with the Hong Kong version of Montreal Cognitive Assessment (HK-MoCA) with a cutoff of 18/19. - Mild-to-moderate sensorineural HI, in which the four-frequency pure-tone average at 500, 1000, 2000, and 4000 Hz of the better ear is between 26 and 55 dB HL. Exclusion Criteria: - Outer or middle ear pathologies. - Wearing hearing aids or cochlear implants. - No computers and internet access at home. |
Country | Name | City | State |
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n/a |
Lead Sponsor | Collaborator |
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Education University of Hong Kong |
Anderson S, Kraus N. Sensory-cognitive interaction in the neural encoding of speech in noise: a review. J Am Acad Audiol. 2010 Oct;21(9):575-85. doi: 10.3766/jaaa.21.9.3. Review. — View Citation
Anderson S, Parbery-Clark A, Yi HG, Kraus N. A neural basis of speech-in-noise perception in older adults. Ear Hear. 2011 Nov-Dec;32(6):750-7. doi: 10.1097/AUD.0b013e31822229d3. — View Citation
Carroll R, Meis M, Schulte M, Vormann M, Kießling J, Meister H. Development of a German reading span test with dual task design for application in cognitive hearing research. Int J Audiol. 2015 Feb;54(2):136-41. doi: 10.3109/14992027.2014.952458. Epub 2014 Sep 8. — View Citation
Gatehouse S, Noble W. The Speech, Spatial and Qualities of Hearing Scale (SSQ). Int J Audiol. 2004 Feb;43(2):85-99. — View Citation
Wong LL, Soli SD. Development of the Cantonese Hearing In Noise Test (CHINT). Ear Hear. 2005 Jun;26(3):276-89. — View Citation
Zhong N, Jiang H, Wu J, Chen H, Lin S, Zhao Y, Du J, Ma X, Chen C, Gao C, Hashimoto K, Zhao M. Reliability and validity of the CogState battery Chinese language version in schizophrenia. PLoS One. 2013 Sep 2;8(9):e74258. doi: 10.1371/journal.pone.0074258. eCollection 2013. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | The Cantonese version of the Hearing in Noise Test (CHINT) (Changes are being assessed) | The Cantonese version of the Hearing in Noise Test (CHINT) (Wong & Soli, 2005) will be used to measure sentence perception in noise. The tool contains 12 lists of 20 sentences, and each sentence comprises 10 words. A high inter-list reliability has been previously demonstrated, which suggests that the lists are equivalent and, therefore, consistent results can be obtained using any of the lists (Wong et al., 2005). | One week before the training, one day before the training, one day after the training, three months after the training | |
Primary | The Cantonese version of the reading span test (CRST) (Changes are being assessed) | The Cantonese version of the reading span test (CRST) with dual task design will be used to measure WM. It was developed based on the German reading span test (Carroll et al., 2015). The reliability and validity of the CRST have been examined to confirm that the CRST is a suitable test for investigating verbal WM (Cheung, 2021).
The CRST comprises 54 six-word sentences. The sentences are presented in different set sizes (i.e., 3, 4, 5, and 6 sentences) in random order. The participants are expected to read aloud the sentences presented on a computer screen and judge whether the sentence is semantically correct. After reading aloud all sentences in a given sentence set, the participants will be asked to recall the first or last two words of each sentence in the set. The reading span score is based on the second task: the total number of words recalled. Approximately 20 minutes is needed to complete the test. |
One week before the training, one day before the training, one day after the training, three months after the training | |
Secondary | The CogState Battery (Changes are being assessed) | Other cognitive functions (executive function, response inhibition, processing speed, and attention) will be examined using the CogState Battery, which is a sensitive computer-based assessment instrument. The test battery has been adapted for Chinese and its reliability and validity have been previously reported (Zhong et al., 2013). The test battery includes the following subtests and uses playing cards, digits, and pictures as stimuli: 1) One Back Test (short-term memory), 2) Groton Maze Learning Test (executive function), 3) Identification Test (Attention), 4) Go/No-Go Test (response inhibition), 5) International Digit Symbol Substitution Test-Symbols (processing speed). Each CogState subtask takes approximately 3-8 minutes. The entire CogState test battery is expected to be completed in 30-45 minutes. | One week before the training, one day before the training, one day after the training, three months after the training | |
Secondary | The Speech, Spatial, and Qualities of Hearing scale (SSQHS) (Changes are being assessed) | The Speech, Spatial, and Qualities of Hearing scale (SSQHS) (Gatehouse & Noble, 2004) will be used to assess abilities and experience of hearing in different listening environments. The SSQHS is assessed using a self-report questionnaire that comprises 49 questions across the following three scales: 1) speech hearing (n = 14) for measuring the ability to recognize speech in a variety of competing contexts; 2) spatial hearing (n = 17) for assessing the ability of the directional, distance, and movement components of spatial hearing; 3) quality of hearing (n = 18) for evaluating the quality of hearing experience, including the clarity and naturalness of different speakers and everyday sounds, and ease of listening. The use of the SSQHS has been validated for Cantonese speakers (Lee, 2015). | One week before the training, one day before the training, one day after the training, three months after the training | |
Secondary | Auditory Brainstem Responses to Complex Sounds (Changes are being assessed) | The stimulus, a 175 milliseconds /ji/ with Cantonese Tone 4 (low falling), will be used for recoding of subcortical neural responses to lexical tone. Stimuli with an interstimulus interval of 80 milliseconds will be presented in alternating polarity at 80 dB SPL and at 10 dB SNR with a six-speaker multi-talker noise through an insert earphone (ER-3, Etymotic Research). This type of noise and SNR were used in previous studies where significant relationships between SIN perception and cABRs were reported (Anderson & Kraus, 2010b; Anderson et al., 2011). Responses will be collected using a vertical electrode montage (ipsilateral earlobe reference, Cz active, and forehead ground) with the SmartEP (Intelligence Hearing Systems). An average of 6,000 sweeps will be made for responses to /ji4/ in quiet and multi-talker babble noise conditions, respectively. | One week before the training, one day before the training, one day after the training, three months after the training |
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