Stimulus control and compounding with ambient odor as a discriminative stimulus on a free-operant baseline

Article Abstract:

A study to determine if compounding tone and odor SDS controlled comparable responding would produce a magnitude of additive summation in the range observed after same training when tone and light SDS are compounded was conducted. The results observed that odor was a more salient stimulus for the rats than the tone.

Odors, Odours

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Preference for a stimulus that follows a relatively aversive event: Contrast or delay reduction?

Article Abstract:

A direct test of the delay reduction and contrast hypotheses by manipulating the schedule of reinforcement after holding trail duration constant, on pigeons, is described. Results show that pigeons had a significant preference for the positive stimulus that in training had followed their less preferred schedule.

Analysis, Cognition in animals, Animal cognition

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Transformation of the discriminative and eliciting functions of generalized relational stimuli

Article Abstract:

Three experiments to establish arbitrary relational functions for three abstract visual stimuli using different dependent variables were conducted. Results showed that the procedures gave derived relations with the stimuli used in training and allowed correct inference of the relative size among novel stimuli.

Response consistency

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