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[Pain sensitivity during chronic psychoemotional stress in humans]
I Ia Ashkinazi1, E A Vershinina
1I. P. Pavlov Institute of Physiology of the Russian Acad. Sci., St. Petersburg, Russia.
Rossiiskii Fiziologicheskii Zhurnal Imeni I.M. Sechenova
|September 22, 1998
Abstract:
In a natural "model" of a chronic psychoemotional stress in humans, (neurasthenia) a decrease in the nociceptive threshold was found. The decrease resulting from weakening of supraspinal tonic descending inhibition which, in its turn, evidently was due to a diminished activity (or dysfunction) of the brain opioid system occurring in a long-lasting psychoemotional stress.