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Science 26 May 1972:
Vol. 176. no. 4037, pp. 942 - 944
DOI: 10.1126/science.176.4037.942
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Articles

Biochemical Transfer of Relational Responding (Transposition)

Lendell W. Braud 1 and William G. Braud 2

1 Psychology Department, Texas Southern University, Houston 77004
2 Psychology Department, University of Houston, Houston, Texas 77004

Hooded rats were trained to choose the larger of two circles in order to obtain a liquid reward. Recipients of brain extract from these trained donors showed a significant preference for an even larger circle when given a nonreinforced test for several days after the injection of extract. The substrate for relational learning may be biochemically transferred.

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