Ribonucleic Acid: Effect on Conditioned Behavior in Rats

See allHide authors and affiliations

Science  19 Jul 1963:
Vol. 141, Issue 3577, pp. 268-269
DOI: 10.1126/science.141.3577.268


Acquisition of a behavioral response motivated by shock was enhanced in rats chronically treated with yeast ribonucleic acid, and resistance to extinction was greater in rats so treated than in controls. This extends the role of ribonucleic acid to include a behavioral effect in laboratory mammals treated with a purified preparation from yeast.