Instrumental Conditioning of Lemon Sharks

  title={Instrumental Conditioning of Lemon Sharks},
  author={E. Clark},
  pages={217 - 218}
  • E. Clark
  • Published 1959
  • Environmental Science, Medicine
  • Science
  • Two sharks were trained to feed at a target which, when pressed, caused a submerged bell to ring. Later they were trained to press the target for remotely placed food. They retained this conditioned response after a 10-week period of inactivity. 
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