نتایج جستجو برای: spinothalamic tract

تعداد نتایج: 134233  

2015
Karen M von Deneen Wei Qin Peng Liu Minghao Dong Peng Chen Huisheng Xie Yi Zhang Mark S Gold Yijun Liu Jie Tian

This functional connectivity study depicts how acupoints ST 36 and SP 9 and their sham acupoints acutely act on blood glucose (GLU), core body temperature (CBT), hunger, and sensations pertaining to needling (De-qi) via the limbic system and dopamine (DA) to affect various brain areas in fasting, adult, and "overweight" Chinese males using functional magnetic resonance imaging. Functional conne...

Journal: :Journal of neurophysiology 2005
Xijing Zhang Glenn J Giesler

A sizeable number of spinothalamic tract axons terminate in the posterior thalamus. The functional roles and precise areas of termination of these axons have been a subject of recent controversy. The goals of this study were to identify spinothalamic tract neurons (STT) within the cervical enlargement that project to this area, characterize their responses to mechanical and thermal stimulation ...

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 1984
W S Willcockson J M Chung Y Hori K H Lee W D Willis

The peptides substance P (SP), methionine-enkephalin (M-ENK), leucine-enkephalin (L-ENK), and cholecystokinin (CCK) were released iontophoretically near spinothalamic tract (STT) cells in anesthetized monkeys and STT-like cells in decorticate, spinalized monkeys. Peptide effects were observed on background discharges, firing induced by release of glutamate, and activity evoked by pinching the s...

Journal: :Stroke 1999
M Rousseaux F Cassim B Bayle E Laureau

BACKGROUND The aim of the study was to assess the consequences of severe spinothalamic tract lesions resulting from lateral medullary infarct and to show that a specific pain perception can be elicited by strong thermal stimulation. CASE DESCRIPTIONS Both patients examined presented with severe thermoalgic dissociation of the limbs contralateral to the lesion, with normal discriminative somat...

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 1986
W S Willcockson J Kim H K Shin J M Chung W D Willis

The effects of iontophoretically applied opiates were tested on 24 spinothalamic tract cells in 12 anesthetized monkeys. The drugs used were chosen because of their agonist actions on different classes of opiate receptors (mu, morphine; kappa, dynorphin; delta, methionine enkephalinamide; sigma, N-allylnormetazocine or SKF 10047 and phencyclidine). The actions of the opiate drugs were generally...

Journal: :Soins. Chirurgie 1969
E Farges M Defoleville

Self Assessment Before reading the tutorial, please answer the following questions. Answers are found in the text. 1. The following are true with regards to transduction: a) It is production of electrical signals at the pain nerve endings. b) Mechanoreceptors are most prevalent. c) Most nociceptors are free nerve endings. d) Silent nociceptors do not respond to any stimulus e) Nociceptors displ...

Journal: :Brain : a journal of neurology 2006
Denis Ducreux Nadine Attal Fabrice Parker Didier Bouhassira

The pathophysiology of central pain syndromes is still poorly understood and their treatment remains a major challenge. It has long been suggested that lesions of the spinothalamic pathways are necessary for developing these pain syndromes. The recently proposed thermosensory disinhibition theory suggests that reduction of the inhibition of thermal sensory afferents that affect nociceptive syst...

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 1992
E Rausell C S Bae A Viñuela G W Huntley E G Jones

The ventral posterior lateral nucleus (VPL) of the monkey thalamus was investigated by histochemical staining for cytochrome oxidase (CO) activity and by immunocytochemical staining for the calcium-binding proteins parvalbumin and 28 kDa calbindin. Anterograde and retrograde tracing experiments were used to correlate patterns of differential distribution of CO activity and of parvalbumin and ca...

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