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Volume 6 - Issue 1 - March 1983

Contents

Page 4 of 6

Open Peer Commentary

Author's Response

Target Article

  • The codes of man and beasts

  • David Premack
  • Published online by Cambridge University Press:
    04 February 2010, pp. 125-136

  • Exposing the chimpanzee to language training appears to enhance the animal's ability to perform some kinds of tasks but not others. The abilities that are enhanced involve abstract judgment, as in analogical reasoning, matching proportions of physically unlike exemplars, and completing incomplete (external) representations of action. The abilities that do not improve concern the location of items in space and the inferences one might make in attempting to obtain them. Representing items in space and making inferences about them could be done with an imaginal code, but representing relations and judging the relations between them, as in analogies, requires a more abstract code. Language training cannot instill such an abstract code, but for species that have the code to start with, it may enhance the animal's ability to use it.

Open Peer Commentary

Page 4 of 6