Conditional discrimination in Octopus vulgaris

  title={Conditional discrimination in Octopus vulgaris},
  author={Koji Tokuda and Reiji Masuda and Yoh Yamashita},
  journal={Journal of Ethology},
Conditional discrimination in the octopus (Octopus vulgaris) was studied using successive discrimination training. The experimental animals were divided into two groups, and a barrel-shaped white object (stimulus) was presented to each group. One of the groups was rewarded with food for responding to the stimulus, but only when the tank was aerated, whereas the other group was rewarded with food for responding to the stimulus when the aeration was switched off. The number of trials in which… 
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