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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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Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
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Hearing, self-motion perception, mobility, and aging.

Jennifer Campos1, Robert Ramkhalawansingh1, M Kathleen Pichora-Fuller2

  • 1Department of Psychology, University of Toronto, 100 St. George Street, Toronto, ON, M5S 3G3, Canada; Toronto Rehabilitation Institute, University Health Network, 550 University Avenue, Toronto, ON, M5G 2A2, Canada.

Hearing Research
|April 18, 2018
PubMed
Summary
This summary is machine-generated.

Hearing plays a crucial role in our perception of self-motion and mobility. Hearing loss in older adults is linked to increased walking difficulties and fall risk, highlighting the need for further research into these connections.

Keywords:
BalanceCognitionDrivingFallsMovementMultisensoryOlderWalking

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Area of Science:

  • Auditory Neuroscience
  • Human Perception and Cognition
  • Gerontology and Rehabilitation Science

Background:

  • Auditory cues are integral to self-motion perception, complementing visual, vestibular, and proprioceptive inputs for spatial awareness.
  • Effective self-motion perception is vital for maintaining balance, walking, and driving, directly impacting overall mobility and safety.
  • Epidemiological and experimental data indicate a strong correlation between hearing loss and diminished physical functioning, particularly in older adults, including increased fall risk.

Purpose of the Study:

  • To investigate the multifaceted role of auditory cues in self-motion perception across various mobility-related behaviors.
  • To examine age-related changes in auditory self-motion perception and their impact on mobility.
  • To elucidate the mechanisms linking hearing loss to mobility impairments and adverse outcomes like falls, considering interactions with other age-related sensory and cognitive declines.

Main Methods:

  • Review of existing literature on auditory cues in self-motion perception and their influence on balance, walking, and driving.
  • Analysis of studies on age-related auditory changes and their consequences for mobility tasks.
  • Examination of research on the association between hearing loss, mobility decline, and fall risk, including interactions with other sensory and cognitive functions.

Main Results:

  • Auditory information significantly contributes to accurate self-motion perception, optimizing mobility tasks like standing balance and walking.
  • Age-related hearing loss is associated with impaired self-motion perception, leading to reduced mobility performance and increased risk of falls.
  • The impact of hearing loss on mobility is potentially exacerbated by concurrent declines in other sensory (visual, vestibular) and cognitive functions.

Conclusions:

  • Understanding the role of hearing in self-motion perception is crucial for developing targeted interventions to improve mobility in individuals with hearing loss.
  • Addressing hearing loss may be a key strategy for mitigating mobility challenges and fall risk in aging populations.
  • Further research is needed to fully understand the complex interplay between hearing, self-motion perception, and mobility to enhance functional independence throughout the lifespan.