Stimulation of the periaqueductal gray matter of the rat produces a preferential ipsilateral antinociception

@article{Levine1991StimulationOT,
  title={Stimulation of the periaqueductal gray matter of the rat produces a preferential ipsilateral antinociception},
  author={Ruth E. Levine and Michael M. Morgan and Joanne Cannon and Julia Porter Liebeskind},
  journal={Brain Research},
  year={1991},
  volume={567},
  pages={140-144}
}
The few studies analyzing somatotopic organization of stimulation-produced antinociception (SPA) from the periaqueductal gray matter (PAG) have reported contradictory results. In the present study, the distribution of SPA on the hindquarters was assessed by measuring the threshold for inhibition of withdrawal reflexes to noxious heat applied to the hindpaws and tail in pentobarbital-anesthetized rats. Of the 3 body regions tested, the hindpaw contralateral to the stimulating electrode required… CONTINUE READING
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