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
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.