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Related Concept Videos

Hearing01:31

Hearing

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When we hear a sound, our nervous system is detecting sound waves—pressure waves of mechanical energy traveling through a medium. The frequency of the wave is perceived as pitch, while the amplitude is perceived as loudness.
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Language and Cognition01:27

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Language serves as a bridge between ideas and communication, influencing how individuals perceive and interact with the world. Psychologists have long debated whether language shapes thought or vice versa. This discussion gained grip with Edward Sapir and Benjamin Lee Whorf in the 1940s, who proposed that language determines thought, a concept known as linguistic determinism. They suggested that the vocabulary and structure of a language influence how its speakers think and perceive reality.
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Cognitive Development During Adulthood01:30

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Cognitive development continues throughout adulthood, undergoing significant shifts across early, middle, and late stages. Individual transition occurs from adolescent idealism to pragmatic and adaptable thinking in early adulthood. During this period, individuals learn to integrate personal beliefs with the recognition that other perspectives are equally valid. Exposure to the complexities of modern society, diverse experiences, and higher education contribute to this adaptive thought process,...
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The Cochlea01:13

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The cochlea is a coiled structure in the inner ear that contains hair cells—the sensory receptors of the auditory system. Sound waves are transmitted to the cochlea by small bones attached to the eardrum called the ossicles, which vibrate the oval window that leads to the inner ear. This causes fluid in the chambers of the cochlea to move, vibrating the basilar membrane.
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Neuroplasticity01:01

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Neuroplasticity reflects the brain's remarkable capacity to adapt and evolve, responding dynamically to learning, experiences, or injury by reorganizing its neural circuitry. This reorganization involves creating new neural connections and refining old ones through a series of biological processes that contribute to the brain's lifelong development and adaptability.
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[Use of Omalizumab-biosimilars for CRSwNP in the German Health Care System - a Position Paper of the German Societies for Allergy AeDA and ORL DGHNO-KHC].

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[Different immunological types of CRSwNP in the context of the new European EAACI nomenclature : Part 3: Hypersensitivity reactions of type VI].

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Related Experiment Video

Updated: Feb 22, 2026

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

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

Published on: March 24, 2023

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[Hearing rehabilitation with cochlear implants and cognitive abilities].

S Knopke1, H Olze2,3

  • 1Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Campus Virchow-Klinikum, Klinik für Hals‑, Nasen- und Ohrenheilkunde, Augustenburger Platz 1, 13353, Berlin, Deutschland. steffen.knopke@charite.de.

HNO
|September 27, 2017
PubMed
Summary

Assessing cognitive function is vital. Postlingual cochlear implantation in elderly individuals may protect against cognitive decline and dementia risk, warranting further research.

Keywords:
AgedHearing LossQuality of lifeSpeech perceptionWorking memory

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Area of Science:

  • Gerontology
  • Neuroscience
  • Audiology

Background:

  • Cognitive functioning assessment is increasingly important due to demographic shifts.
  • Historically, cochlear implantation research focused on children; current interest includes elderly rehabilitation.
  • The impact of hearing loss and rehabilitation on cognitive decline and dementia risk in older adults is under-explored.

Purpose of the Study:

  • To review the association between cognitive functioning, hearing disorders, and cochlear implantation in the elderly.
  • To explore the potential protective effects of hearing rehabilitation on cognitive health and dementia risk.
  • To highlight the need for further research in this area.

Main Methods:

  • Literature review examining cognitive aspects in elderly individuals with hearing impairments and cochlear implants.
  • Historical overview of intelligence testing.
  • Analysis of current findings on the correlation between hearing improvement and cognitive function.

Main Results:

  • Limited literature exists on cognitive aspects in elderly individuals with hearing disorders and cochlear implants.
  • Initial findings suggest a positive correlation between improved hearing and cognitive functioning.
  • Historical intelligence testing methods are discussed.

Conclusions:

  • Further studies are essential to establish guidelines for treating elderly patients with both cognitive deficits and hearing impairment.
  • Postlingual cochlear implantation may offer a protective effect on cognitive functioning in the elderly.
  • Understanding the link between hearing and cognition is crucial for addressing age-related cognitive decline.