Control of responding by the elements of a compound discriminative stimulus and by the elements as individual discriminative stimuli.
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TLDR
Control of responding by the light developed more rapidly than control by the noise, and levels of control by stimuli after differential reinforcement with respect to the stimuli together can be predicted by the rates of development of control during differential reinforcement separately.Abstract:
In the first of two studies, the responding of four albino rats was differentially reinforced in the presence of noise and light together and then tested in the presence of the noise and the light separately during extinction. The light exercised substantially more control of responding than did the noise. In the second study the responding of a similar group of four rats was differentially reinforced in the presence of the noise and the light separately. Control of responding by the light developed more rapidly than control by the noise. Results suggest that levels of control by stimuli after differential reinforcement with respect to the stimuli together can be predicted by the rates of development of control during differential reinforcement with respect to the stimuli separately.read more
Citations
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Embedding an Identity-Matching Task within a Prompting Hierarchy to Facilitate Acquisition of Conditional Discriminations in Children with Autism
TL;DR: For 2 participants with autism, the authors embedded an identity-matching task within a prompting hierarchy as a DOR to increase the likelihood that the participants attended to and discriminated the relevant features of the comparison stimuli in an MTS task.
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Visual attention in retarded adults: combining stimuli which control incompatible behavior
TL;DR: Eight severely retarded young men learned color and line-tilt discrimination and were combined to form "conflict-compound" stimuli in which prior reinforcement history was reversed for one element of the compound and unchanged for the other.
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Assessing Stimulus Control in a Discrimination Task with Compound Stimuli: Evaluating Testing Procedures and Tracking Eye Fixations
William Ferreira Perez,Peter Endemann,Candido Vinicius Bocaiuva Barnsley Pessôa,Gerson Yukio Tomanari +3 more
TL;DR: The present study aimed to replicate findings with humans exposed to a simultaneous-discrimination task with compound stimuli, and found that the S+ component that was associated with fewer fixations also controlled participants’ choices.
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Stimulus characteristics, learning bias and visual discrimination in zebrafish (Danio rerio).
TL;DR: In this article, the authors systematically examined zebrafish's ability to learn to discriminate color, shape, size, and orientation of figures using an appetitive conditioning paradigm, and found that the learned discriminations were not all learned with the same speed and accuracy.
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Compounding of discriminative stimuli that maintain responding on separate response levers.
TL;DR: With a medium- and high-intensity houselight and with the different reinforcement schedules, similar results were obtained during compounding, regardless of whether compounding occurred in the presence of the light- or tone-correlated lever.
References
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Attention in the pigeon
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Some determiners of attention1
TL;DR: The results suggest that the extent to which a bird “pays attention” to a stimulus, defined in terms of the degree of stimulus control acquired by that stimulus, is determined by how well it previously learned to discriminate that stimulus from other stimuli.
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