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单词 deafferentation
释义

Definition of deafferentation in English:

deafferentation

noundiːˌaf(ə)r(ə)nˈteɪʃ(ə)ndēˌafərenˈtāSHən
mass nounBiology
  • The interruption or destruction of the afferent connections of nerve cells, performed especially in animal experiments to demonstrate the spontaneity of locomotor movement.

    Example sentencesExamples
    • On the other hand, in REM sleep, the respiratory variability persists even after deafferentation, suggesting that central REM processes underlie the variability.
    • It is believed that lateral ankle ligament injury results in not only mechanical instability but also ligamentous deafferentation, contributing to instability.
    • They argued that neural plasticity allows for a cortical reorganization or remapping of the somatosensory cortex following the deafferentation of neurons.
    • Until 1981, Taub carried out somatosensory deafferentation research with monkeys in which sensation is surgically abolished from the upper extremities.
    • Despite extensive chest wall deafferentation, the intensity and quality of dyspnea are not altered in patients with spinal cord injury in whom work of breathing is increased by bronchoconstriclion.

Derivatives

  • deafferented

  • adjective
    Biology
    • A deafferented pupil constricts consensually, but not to direct light, paradoxically enlarging when the light is quickly brought from the unaffected side (Marcus Gunn pupil).
      Example sentencesExamples
      • Lurie has received an award of $20,000 as an administrative supplement to conduct research regarding PTP1C increases in the deafferented auditory brainstem.
      • Although she was unstable, the deafferented subject was able to remain seated with the eyes closed in the absence of feet, arm and back supports.
      • Next he restrained the monkeys' healthy forelimbs, compelling them to reuse the deafferented limbs, which they otherwise avoided doing.
      • Six years later, Taub resumed two lines of research stemming from his basic research with deafferented monkeys.
 
 

Definition of deafferentation in US English:

deafferentation

noundēˌafərenˈtāSHən
Biology
  • The interruption or destruction of the afferent connections of nerve cells, performed especially in animal experiments to demonstrate the spontaneity of locomotor movement.

    Example sentencesExamples
    • They argued that neural plasticity allows for a cortical reorganization or remapping of the somatosensory cortex following the deafferentation of neurons.
    • Despite extensive chest wall deafferentation, the intensity and quality of dyspnea are not altered in patients with spinal cord injury in whom work of breathing is increased by bronchoconstriclion.
    • On the other hand, in REM sleep, the respiratory variability persists even after deafferentation, suggesting that central REM processes underlie the variability.
    • It is believed that lateral ankle ligament injury results in not only mechanical instability but also ligamentous deafferentation, contributing to instability.
    • Until 1981, Taub carried out somatosensory deafferentation research with monkeys in which sensation is surgically abolished from the upper extremities.
 
 
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更新时间:2024/12/23 18:11:02