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P Mertens, M Sindou
A microsurgical drezotomy can be useful in some selected cases for the treatment of severe and diffuse spasticity in one or several limbs. This technique has been introduced by M. Sindou in 1972, on the basis of human anatomical studies in the dorsal root entry zone (DREZ). The aim of surgery is to interrupt preferentially the peripheral inputs sustaining myotatic and polysynaptic reflexes which are exaggerated in spasticity, and also nociceptive fibers in the lateral part of the DREZ, whilst sparing most of the medial tactile and kinestetic fibers for the dorsal funiculus...
May 2003: Neuro-Chirurgie
V A Fedan
Experiments were made on 7 adult male monkeys under nembutal anaesthesia (20-25 mg/kg, intravenously). The evoked potentials to electrical stimulation (0.5-50 mA) of the skin and kinestetic (5.10(3)-6.10(5)degrees/s2) stimulation of the proximal part of the forearm were recorded in the contralateral primary somatosensory cortex. The data obtained indicated direct relationship between the magnitude of angular acceleration and amplitude-temporary parameters of the kinestetic potentials. The threshold for their detections was equal approximately to 5...
January 1988: Zhurnal Evoliutsionnoń≠ Biokhimii i Fiziologii
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