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Individual differences could explain the failure in transitive inference formation in pigeons using probabilistic reinforcement

Frontiers in Psychology, ISSN: 1664-1078, Vol: 13, Page: 1033583
2023
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  • Captures
    3
  • Mentions
    1
    • News Mentions
      1
      • News
        1

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Studies Conducted at University of Guadalajara on Psychology Recently Published (Individual differences could explain the failure in transitive inference formation in pigeons using probabilistic reinforcement)

2023 FEB 01 (NewsRx) -- By a News Reporter-Staff News Editor at Psychology & Psychiatry Daily -- A new study on psychology is now available.

Article Description

In propositional logic, it is stated that “for if A is predicated for every B, and B for every C, A must necessarily be predicated of every C”. Following a similar logical process, it can be said that If A > B and B > C, then A > C, this is called transitive inference (TI). Piaget developed a verbal task to evaluate TI in children. Subsequent studies adapted this task for animals using a conditioned discrimination between five-terms sequence of stimuli A + B-, B + C-, C + D-, and D + E-. If subjects prefer B over D during test, it is assumed that TI has occurred. In this experiment, we analyzed the effects of task complexity on TI by using a five-terms sequence of stimuli associated with probabilistic outcomes during training, in pigeons. Thus, both stimuli are reinforced in each pair but with different probability, 0.8 for + stimulus and 0.2 for the—stimulus. We found that performance during C + D- pair is impaired and preference in the test pair BD is affected. However, this impairment is dependent on individual differences in performance in C + D- pair. We compare our findings with previous research and conclude that Pavlovian mechanisms, as well as ordering of stimuli, can account for our findings.

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