Related Experiment Video
Updated: Sep 14, 2025
06:04
Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
Published on: March 24, 2023
471
Cognitive function and speech outcomes after cochlear implantation in older adults
Tadao Yoshida1, Masumi Kobayashi1, Daisuke Hara2
1Department of Otorhinolaryngology, Nagoya University Graduate School of Medicine, Nagoya, Japan.
Frontiers in Neurology
|July 25, 2025
Summary
Cochlear implantation in older adults can improve speech perception, and preoperative cognitive tests predict outcomes. Cognitive function remains stable or improves long-term after cochlear implants.
Area of Science:
- Audiology
- Geriatric Medicine
- Cognitive Neuroscience
Background:
- Cochlear implantation (CI) effects on cognition in older adults are unclear.
- The link between pre-CI cognitive ability and post-CI speech perception needs more research.
Purpose of the Study:
- To assess CI's impact on older adults' cognitive function.
- To explore how pre-CI cognition relates to post-CI speech discrimination.
Main Methods:
- Retrospective cohort study of 30 adults aged 61+ undergoing CI.
- Cognitive assessments pre- and post-implantation analyzed.
- Correlations between cognitive scores and speech discrimination examined.
Main Results:
- Preoperative Kohs Block Design and Raven's Matrices scores positively correlated with post-CI speech discrimination.
- Postoperative cognitive scores showed positive correlations with other cognitive tests.
- Cognitive function remained stable or improved over a 3.7-year follow-up.
Conclusions:
- Preoperative cognitive evaluation aids in predicting CI outcomes in older adults.
- Long-term cognitive function is generally maintained or enhanced by CI.
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