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[A preliminary study on the correlation between auditory function and cognitive function in the elderly].

Yan Ren1, Qian Zhou1, Haifeng Li1

  • 1Department of Otorhinolaryngology Head and Neck Surgery，Ninth People's Hospital，Shanghai Jiaotong University School of Medicine，Ear Institute Shanghai Jiaotong University School of Medicine，Shanghai Key Laboratory of Translational Medicine on Ear and Nose Diseases，Shanghai Children's Hearing Impairment Diagnosis and Treatment Center，Shanghai，200011，China.

Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi = Journal of Clinical Otorhinolaryngology Head and Neck Surgery
|August 14, 2020
PubMed
Summary
This summary is machine-generated.

Age, hearing loss, and speech recognition impact cognitive function in older adults with presbycusis (age-related hearing loss). Higher incidence of mild cognitive impairment (MCI) was observed in this group, with deafness duration as a risk factor and education as a protective element.

Keywords:
cognitive functionhearing losspresbycusisspeech recognition

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Area of Science:

  • Gerontology
  • Audiology
  • Neuroscience

Background:

  • Presbycusis, or age-related hearing loss, is common in older adults.
  • Hearing impairment is increasingly recognized as a potential risk factor for cognitive decline.
  • Understanding the relationship between hearing loss and cognitive function is crucial for public health.

Purpose of the Study:

  • To evaluate cognitive function in patients with presbycusis.
  • To explore the correlations between age, hearing loss severity, speech recognition ability, and cognitive function.
  • To identify factors influencing cognitive function in individuals with age-related hearing loss.

Main Methods:

  • 131 elderly participants were divided into hearing loss and normal hearing groups.
  • Pure tone audiometry, speech recognition tests, and the Mini-Mental State Examination (MMSE) were administered.
  • Spearman correlation and Generalized Linear Models (GLM) were used for statistical analysis.

Main Results:

  • Cognitive function (MMSE scores) declined with age and was significantly correlated with average hearing threshold and speech recognition ability.
  • The hearing loss group showed a higher, though not statistically significant, proportion of mild cognitive dysfunction.
  • Deafness duration was a significant risk factor for mild cognitive impairment, while education level acted as a protective factor.

Conclusions:

  • Age, hearing loss, and speech recognition are significantly associated with cognitive function in presbycusis patients.
  • Presbycusis is linked to a higher incidence of mild cognitive impairment compared to normal-hearing elderly individuals.
  • Interventions targeting hearing loss and promoting education may help mitigate cognitive decline in older adults.