Abstract
The solution of a problem by Raphael, a chimpanzee that lived 8 years in the Pavlov laboratory, is illustrated and described "because it represents a special aspect of current Russian interpretation of anthropoid intelligence, namely, the view that, lacking a second-signal system (i.e., true language or true verbal conditioning), anthropoids are devoid of true ideation." From Psyc Abstracts 36:04:4EN66R. (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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