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Science 22 April 1977:
Vol. 196. no. 4288, pp. 447 - 449
DOI: 10.1126/science.850789
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Articles

Science, Vol 196, Issue 4288, 447-449
Copyright © 1977 by American Association for the Advancement of Science

articles

Trigeminal substrates of intracranial self-stimulation in the brainstem

D van der Kooy and AG Phillips

Intracranial self-stimulation was elicited by electrodes located in the trigeminal motor nucleus of the rat. Rebound jaw movements were also elicited at postiive self-stimulation placements, but control experiments revealed that the lever pressing was not a motor artifact. It is suggested the modulation of trigeminal motoneurons may serve as an important reinforcement mechanism in the brainstem.




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Science. ISSN 0036-8075 (print), 1095-9203 (online)