Efficacy of Immersive Virtual Reality-Based Cognitive Training in Older Adults with Hearing Impairment: Three Case Reports
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초록
The purpose of this study was to investigate the effects of immersive virtual reality (VR)-based cognitive training in older adults with hearing impairment. Participants were three older adults with hearing impairment. Three assessment tools, audiometric, neuropsychological, and outcome measurements of the subjective hearing handicap inventory for the elderly, were examined before and after the VR cognitive training. The VR cognitive training was conducted once per week for 6 weeks and consisted of five different VR games classified into three specific cognitive domains (attention, memory, and executive function). The improved VR game performances were constantly observed across the training sessions in all three participants. After the VR cognitive training, first, the scores on the forward digit span test (attention), immediate recall on the SVLT-E (memory), and word reading and color reading on the K-CWST (executive function) were improved for all participants. In addition, the reaction time on the K-TMT-E (executive function) was shortened. Second, the sentence recognition scores in adverse listening conditions (SNR 0 dB and -5 dB) were improved. Third, the Korean version of hearing handicap inventory for the elderly (K-HHIE) scores which are reflective of subjective hearing handicap were decreased. Preventive intervention for cognitive deficits in older adults with hearing impairment is needed because hearing impairment is one of the major risk factors for dementia in older age. In this respect, the present case study demonstrates that VR cognitive training could improve cognitive function, speech-in-noise perception, and subjective hearing handicap in the hearing-impaired elderly.
Abstract
The purpose of this study was to investigate the effects of immersive virtual reality (VR)-based cognitive training in older adults with hearing impairment. Participants were three older adults with hearing impairment. Three assessment tools, audiometric, neuropsychological, and outcome measurements of the subjective hearing handicap inventory for the elderly, were examined before and after the VR cognitive training. The VR cognitive training was conducted once per week for 6 weeks and consisted of five different VR games classified into three specific cognitive domains (attention, memory, and executive function). The improved VR game performances were constantly observed across the training sessions in all three participants. After the VR cognitive training, first, the scores on the forward digit span test (attention), immediate recall on the SVLT-E (memory), and word reading and color reading on the K-CWST (executive function) were improved for all participants. In addition, the reaction time on the K-TMT-E (executive function) was shortened. Second, the sentence recognition scores in adverse listening conditions (SNR 0 dB and -5 dB) were improved. Third, the Korean version of hearing handicap inventory for the elderly (K-HHIE) scores which are reflective of subjective hearing handicap were decreased. Preventive intervention for cognitive deficits in older adults with hearing impairment is needed because hearing impairment is one of the major risk factors for dementia in older age. In this respect, the present case study demonstrates that VR cognitive training could improve cognitive function, speech-in-noise perception, and subjective hearing handicap in the hearing-impaired elderly.
참고문헌 (38)
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