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Science 30 July 1965:
Vol. 149. no. 3683, pp. 559 - 561
DOI: 10.1126/science.149.3683.559
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Articles

Lateral Hypothalamic Stimulation in Satiated Rats: T-Maze Learning for Food

Joseph Mendelson 1 and Stephan L. Chorover 1

1 Psychology Department, Massachusetts Institute of Technology, Cambridge 02139

It is well known that electrical stimulation in portions of the lateral hypothalamic area is positively reinforcing and induces eating in satiated rats. We have found that continuous stimulation of this kind can also motivate satiated and previously untrained rats to learn the location of food in a T-maze. Efficient acquisition and reversal of discriminations for food indicate that lateral hypothalamic stimulation exerts motivational effects which are functionally equivalent to those of food deprivation.


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Lateral Hypothalamus: Learning of Food-Seeking Response Motivated by Electrical Stimulation.
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