Age-Related Hearing Loss, Cognitive Decline, and Social Interaction: Testing a Framework

Author:

Arjmandi Meisam K.12ORCID,Neils-Strunjas Jean1ORCID,Nemati Samaneh1,Fridriksson Julius12,Newman-Norlund Sarah1,Newman-Norlund Roger12,Bonilha Leonardo3

Affiliation:

1. Department of Communication Sciences and Disorders, University of South Carolina, Columbia

2. Institute for Mind and Brain, University of South Carolina, Columbia

3. Department of Neurology, University of South Carolina, Columbia

Abstract

Purpose: Aging increases risk for hearing loss, cognitive decline, and social isolation; however, the nature of their interconnection remains unclear. This study examined the interplay between age-related hearing loss, cognitive decline, and social isolation in adults by testing the ability to understand speech in background noise, a challenge frequently reported by many older adults. Method: We analyzed data collected from 128 adults (20–79 years of age, M age = 51 years) recruited as part of the Aging Brain Cohort at the University of South Carolina repository. The participants underwent testing for hearing, cognition, and social interaction, which included pure-tone audiometry, a words-in-noise (WIN) test, a hearing questionnaire (Speech, Spatial and Qualities of Hearing Scale [SSQ12]), a social questionnaire (Patient-Reported Outcomes Measurement Information System-57 Social), and the Montreal Cognitive Assessment. We used a single pure-tone average (PTA) threshold value and a single WIN threshold value for each participant because there were no differences on average between the left and right ears. Results: Poorer hearing was significantly associated with cognitive decline, through both PTA and WIN thresholds, with a stronger association observed for WIN threshold. Adults with poorer hearing also exhibited greater social isolation, as evidenced by their WIN threshold and SSQ12 score, although not through PTA. This connection was more pronounced with the WIN threshold than with the SSQ12 score. Cognition was not related to social isolation, suggesting that social isolation is affected more by the ability to understand words in noise than by cognition in a nondemented population. Conclusions: Understanding speech in challenging auditory environments rather than mere threshold detection is strongly linked to social isolation and cognitive decline. Thus, inclusion of a word-recognition-in-noise test and a social isolation survey in clinical settings is warranted. Supplemental Material: https://doi.org/10.23641/asha.26237060

Publisher

American Speech Language Hearing Association

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