Pain relief by electrical stimulation of the central grey matter in humans and its reversal by naloxone

Pain ◽  
1979 ◽  
Vol 6 (3) ◽  
pp. 390
Author(s):  
Y. Hosobuchi ◽  
J. E. Adams ◽  
R. Linchitz
Keyword(s):  
Electrical Stimulation ◽  
Pain Relief ◽  
Grey Matter ◽  
Central Grey Matter ◽  
Stimulation Of

Prior electrical stimulation of dorsal periaqueductal grey matter or deep layers of the superior colliculus sensitizes rats to anxiety-like behaviors in the elevated T-maze test

2006 ◽  
Vol 170 (2) ◽  
pp. 175-181 ◽  
Author(s):  
Leandro Pinto de Almeida ◽  
Patrício Lemos Ramos ◽  
José Eduardo Pandossio ◽  
Jesus Landeira-Fernandez ◽  
Hélio Zangrossi ◽  
...  
Keyword(s):  
Electrical Stimulation ◽  
Superior Colliculus ◽  
Grey Matter ◽  
Periaqueductal Grey ◽  
Maze Test ◽  
Periaqueductal Grey Matter ◽  
Deep Layers ◽  
Stimulation Of

Increase of Pain Threshold as a Function of Conditioning Electrical Stimulation: An Experimentlal Study with Application to Electro-acupuncture for Pain Suppresssion

1975 ◽  
Vol 03 (02) ◽  
pp. 133-142 ◽  
Author(s):  
Eddy Holmgren
Keyword(s):  
Electrical Stimulation ◽  
Pain Relief ◽  
Pain Threshold ◽  
Interindividual Variation ◽  
High Threshold ◽  
Conditioning Stimulation ◽  
Low Threshold ◽  
Electrical Conditioning ◽  
Threshold Increase ◽  
Stimulation Of

Previous studies have shown that 2 Hz electrical conditioning stimulation of hands and cheeks increased the tooth pain threshold. In the present study the relation between strength of conditioning stimulation and amplitude of pain threshold increase is elucidated. Intense conditioning stimulation, giving subjective beating sensations and extensive muscles twitches, is required to obtain a substantial pain threshold increase. The results are discussed in relation to intensities used in electro-acupuncture and to interindividual variation of the effect. It is suggested that pain relief is obtained due to an inhibitory feed-back mechanism activated, not via low threshold afferents but via high threshold afferents.

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