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Related Experiment Video

Updated: Jan 17, 2026

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
06:04

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Published on: March 24, 2023

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Decreased Depression 12 Months After Cochlear Implantation Is Not Associated With Improved Cognitive Performance.

Maria Huber1, Lennart Weitgasser1, Lisa Reuter2

  • 1Department of Otorhinolaryngology, Head and Neck Surgery, Paracelsus Medical University, Salzburg, Austria.

Ear and Hearing
|September 15, 2025
PubMed
Summary

Cochlear implantation (CI) significantly improves hearing and reduces depression in adults. While cognitive performance showed moderate improvement, it was not directly linked to reduced depression, and age did not significantly impact these outcomes.

Keywords:
Cochlear implantsCognitionDepressionHearing loss from adulthoodYounger and older adults

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Area of Science:

  • Audiology
  • Neuroscience
  • Psychiatry

Background:

  • Late-onset hearing loss in adults is linked to depression and cognitive decline.
  • Cochlear implantation (CI) aims to restore hearing but its impact on mood and cognition requires further investigation.

Purpose of the Study:

  • To assess the effects of CI on hearing ability, depression, and cognitive performance.
  • To explore the relationship between changes in hearing, depression, and cognition post-CI.
  • To compare outcomes between younger and older CI recipients.

Main Methods:

  • A cohort study involving 41 adult participants (25-75 years) undergoing their first CI.
  • Audiological tests, Beck Depression Inventory (II), and a neurocognitive test battery were administered before and 12 months after CI.
  • Participants were divided into younger (<60 years) and older (≥60 years) groups.

Main Results:

  • Significant improvements in speech recognition, subjective hearing, and reduced depression were observed 12 months post-CI.
  • Cognitive performance showed moderate, though not statistically significant, improvement.
  • No significant association was found between changes in hearing and changes in depression or cognition.
  • Older adults showed a significantly greater improvement in semantic fluency compared to younger adults.

Conclusions:

  • CI positively impacts hearing and reduces depression in adults, irrespective of age.
  • While hearing and mood improve post-CI, cognitive benefits are less pronounced and not directly correlated with depression reduction.
  • Age is not a critical factor influencing the positive effects of CI on hearing and depression.