Variabilité comportementale et conditionnement opérant chez l'animal

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Abstract
Summary : Behavioral variability and operant conditioning in animals. The purpose of this critical review of current knowledge in the field of animal behavioral variability within operant conditioning settings, is to pave the way of future research. The present review is organized around two main lines : 1) the influence of several variables on the spontaneous variability of the operant response and 2) the selective reinforcement of operant response variability. It is concluded that variation mechanisms have been studied much less than selection mechanisms (even if these mechanisms are complementary in theories of learning). Some results lead us to consider behavioral variability as an inherent dimension of behavior, sensitive to contingencies of reinforcement, just like any other dimension (e.g. response force or duration). Key words : behavioral variability, operant conditioning, animal behavior.

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