Volume 11, Issue 2 pp. 191-195
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A SIMPLE TECHNIQUE FOR DELIVERING LIQUIDS DIRECTLY TO THE MOUTH OF AN UNRESTRAINED RAT1

Douglas M. Gross

Douglas M. Gross

UNIVERSITY OF MINNESOTA

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Milton A. Trapold

Corresponding Author

Milton A. Trapold

UNIVERSITY OF MINNESOTA

Dept. of Psychology, University of Minnesota, Minneapolis, Minnesota 55455.Search for more papers by this author
Thomas S. Hyde

Thomas S. Hyde

UNIVERSITY OF MINNESOTA

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First published: March 1968
Citations: 4

This work was supported by NIMH grant MH08799.

Abstract

A simple surgical procedure is described that makes it possible to deliver liquids directly into the mouth of a freely mobile rat. Data presented show that an 8% sucrose solution delivered by this technique is an effective reinforcer in a variety of simple and discriminative schedules of reinforcement.

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