ANALYSES OF INFORMATIVE-REDUNDANT PROPERTIES OF COMPONENT STIMULI IN COMPOUND CONDITIONING

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  • 複合条件づけにおける要素刺激の情報-冗長性の分析
  • フクゴウ ジョウケンズケ ニ オケル ヨウソ シゲキ ノ ジョウホウ ジョウチ
  • AN EXPERIMENTAL STUDY OF EGGER AND MILLER'S INFORMATION HYPOTHESIS
  • EggerとMillerの情報仮説の実験的検討

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To test the relevance of the information hypothesis in the CER situation, a compound CS (S1 overlapping S2) was paired with shock in 4 experimental groups of rats, and suppression in water-licking rates produced by S1 or S2 was measured. During CS-US pairings, S1 was occasionally presented alone for the experimental groups in which the probability that S1 predicted the shock varied systematically from 4/4 to 1/4 from group to group. The control group (Group 0/4) received CSs and USs unpaired. Though results were not statistically significant, both informative and reliable S1s produced more suppression than their redundant counterparts in Group 4/4. As the reliability of S1 predicting the arrival of shock decreased, however, the S2 produced more suppression than S1 especially in Group 1/4. Implications of these findings to the more general problems of compound conditioning were discussed.

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