The nature of phenotypic variation in Pavlovian conditioning.
نویسندگان
چکیده
منابع مشابه
Theories of Pavlovian Conditioning
Clarence started dating Felicia several months ago. Their very different personalities— Clarence is quiet and shy, and Felicia is outgoing and social—did not keep them from becoming close. Felicia introduced Clarence to a social life he had never before experienced; they enjoyed romantic dinners and exciting parties. Felicia was an excellent dancer, which made dancing fun. However, Clarence was...
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Procedurally, learning has to occur in a context. Several lines of evidence suggest that contextual stimuli actively affect learning and expression of the conditional response. The experimental context can become associated with the unconditional stimulus (US), especially when the US is presented in a context in the absence of a discrete conditional stimulus (CS). Moreover, context can modulate...
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Six experiments used rats to study blocking and unblocking of fear learning. An excitatory stimulus (A) blocked fear learning to a neutral stimulus (B). Unblocking of B occurred if the AB compound signaled an increase in unconditioned stimulus (US) intensity or number. Assessments of associative change during blocking showed that more was learned about B than A. Such assessments during unblocki...
متن کاملNeurobiology of Pavlovian fear conditioning.
Learning the relationships between aversive events and the environmental stimuli that predict such events is essential to the survival of organisms throughout the animal kingdom. Pavlovian fear conditioning is an exemplar of this form of learning that is exhibited by both rats and humans. Recent years have seen an incredible surge in interest in the neurobiology of fear conditioning. Neural cir...
متن کاملContemporary study of Pavlovian conditioning.
Pavlov's first report on conditioning emphasized its role in allowing the animal to adjust to its environment. Contemporary theories have seen this adjustment in terms of developing accurate knowledge of the environment. Three aspects of that thinking are explored: how the animal acquires initial knowledge, how it changes its knowledge when conditions of the world change, and how it makes use o...
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ژورنال
عنوان ژورنال: Journal of Experimental Psychology: Animal Learning and Cognition
سال: 2018
ISSN: 2329-8464,2329-8456
DOI: 10.1037/xan0000177