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Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages

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Published on: March 24, 2023

Bidirectional associations between hearing difficulty and cognitive function in Chinese adults: a longitudinal study.

Xiaoyang Li¹, Mingyue Hu¹, Yinan Zhao¹

¹Xiangya School of Nursing, Central South University, Changsha, Hunan, China.

Frontiers in Aging Neuroscience

|December 28, 2023

Summary

Hearing loss and cognitive decline are linked in older adults. Depressive symptoms partially mediate the relationship between cognitive function and subsequent hearing difficulty, suggesting a complex interplay.

Keywords:

cognition cross-lagged panel model depressive symptoms hearing reciprocal association

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Area of Science:

Gerontology
Neuroscience
Epidemiology

Background:

Middle-aged and older adults are susceptible to hearing loss and cognitive decline.
Existing research indicates an association between hearing difficulty and cognitive function, but the temporal sequence is unclear.
Investigating bidirectional relationships and the mediating role of depressive symptoms is crucial for understanding this association.

Purpose of the Study:

To examine the bidirectional relationship between hearing difficulty and cognitive function in older adults.
To explore the mediating role of depressive symptoms in the association between hearing and cognition.
To clarify the temporal sequence of hearing impairment and cognitive decline.

Main Methods:

Utilized cross-lagged panel and random-intercept cross-lagged panel models.
Analyzed data from 4,363 adults aged 45+ from the China Health and Retirement Longitudinal Study (CHARLS) (2011-2018).
Assessed self-reported hearing difficulty, episodic memory, intelligence, and depressive symptoms using validated scales.

Main Results:

Observed a bidirectional association between hearing and cognition at the between-person level.
Worse hearing predicted worse cognitive function, and vice versa, at the between-person level.
At the within-person level, hearing difficulty predicted cognitive decline, and depressive symptoms partially mediated the impact of cognitive function on subsequent hearing difficulty.

Conclusions:

Within-person relationships between hearing impairment and cognitive function are unidirectional, while between-person relationships are reciprocal.
Addressing mental health, specifically depressive symptoms, may help break the cycle of hearing loss and cognitive decline.
Integrated care addressing hearing, cognition, and depressive symptoms is essential for comprehensive long-term care.