Acoustic reflex

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Acoustic Reflex

The Acoustic Reflex (pronounced: a·​cou·​stic re·​flex | \ ə-ˈkü-stik ˈrē-ˌfleks \) is a medical term referring to an involuntary muscle contraction that occurs in the middle ear in response to high-intensity sound stimuli or when the person starts to speak.

Etymology

The term "Acoustic" is derived from the Greek word "Akoustikos" which means "pertaining to hearing". The term "Reflex" is derived from the Latin word "Reflexus" which means "bending back".

Related Terms

  • Middle Ear: The part of the ear that includes the eardrum and three tiny bones of the ear, called the hammer, anvil, and stirrup.
  • Sound Stimuli: Any changes in the environment that can be detected by sensory receptors and can lead to changes in the nervous system or other systems of the body.
  • Involuntary Muscle Contraction: A process that is under the control of the autonomic nervous system and is not under conscious control.
  • Autonomic Nervous System: The part of the nervous system responsible for control of the bodily functions not consciously directed, such as breathing, the heartbeat, and digestive processes.

See Also

References

  • Acoustic Reflex in the Encyclopedia of Hearing and Auditory Disorders. (2018). New York: Springer.
  • Acoustic Reflex in the Oxford Handbook of Audiology. (2019). Oxford: Oxford University Press.

External links

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