Does hearing aid use affect audiovisual integration in mild hearing impairment?
| Autor: | Maike Tahden, Anja Gieseler, Christiane M. Thiel, Hans Colonius |
|---|---|
| Rok vydání: | 2017 |
| Předmět: |
Hearing aid
Male Longitudinal study medicine.medical_specialty Mild hearing impairment Hearing loss medicine.medical_treatment media_common.quotation_subject Illusion Stimulus (physiology) Audiology 050105 experimental psychology 03 medical and health sciences 0302 clinical medicine Hearing Aids Perception otorhinolaryngologic diseases medicine Humans 0501 psychology and cognitive sciences Hearing Loss media_common Aged Aged 80 and over General Neuroscience 05 social sciences Multisensory integration Middle Aged Illusions Auditory Perception Visual Perception Female medicine.symptom Psychology 030217 neurology & neurosurgery |
| Zdroj: | Experimental brain research. 236(4) |
| ISSN: | 1432-1106 |
| Popis: | There is converging evidence for altered audiovisual integration abilities in hearing-impaired individuals and those with profound hearing loss who are provided with cochlear implants, compared to normal-hearing adults. Still, little is known on the effects of hearing aid use on audiovisual integration in mild hearing loss, although this constitutes one of the most prevalent conditions in the elderly and, yet, often remains untreated in its early stages. This study investigated differences in the strength of audiovisual integration between elderly hearing aid users and those with the same degree of mild hearing loss who were not using hearing aids, the non-users, by measuring their susceptibility to the sound-induced flash illusion. We also explored the corresponding window of integration by varying the stimulus onset asynchronies. To examine general group differences that are not attributable to specific hearing aid settings but rather reflect overall changes associated with habitual hearing aid use, the group of hearing aid users was tested unaided while individually controlling for audibility. We found greater audiovisual integration together with a wider window of integration in hearing aid users compared to their age-matched untreated peers. Signal detection analyses indicate that a change in perceptual sensitivity as well as in bias may underlie the observed effects. Our results and comparisons with other studies in normal-hearing older adults suggest that both mild hearing impairment and hearing aid use seem to affect audiovisual integration, possibly in the sense that hearing aid use may reverse the effects of hearing loss on audiovisual integration. We suggest that these findings may be particularly important for auditory rehabilitation and call for a longitudinal study. |
| Databáze: | OpenAIRE |
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