Response-independent food delivery and behavioral resistance to change

Article Abstract:

Response-independent food is provided to pigeons, during a dark-key phase between two multiple-schedule components, to investigate its disruptive effects on responding. In both components, responding is maintained by separate variable-interval 120-s schedules, where component one has a 2-s reinforcer and component two has a 6-s reinforcer. Although the response rate in both components fall as a function of duration and rate of response-independent food presentations, this fall is greater in component one. These findings are consistent with the behavioral momentum theory.

Case studies, Behavior, Animal experimentation, Pigeons, Reinforcement (Psychology)

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Food-deprivation effects on punished schedule-induced drinking in rats

Article Abstract:

Loss in body-weight led to increase in resistance of rats to the reduced schedule-induced drinking by punishment showing the dependence of efficacy of the punishment on schedule-induced drinking on the degree of food deprivation in an experiment on the food-deprived rats, at 80% of their free-feeding weights. Similarity between the modification factors for the schedule-induced drinking and the operant behaviour are discussed.

Methods, Punishment, Starvation, Punishment (Psychology)

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Self-control and impulsiveness in children and adults: effects of food preferences

Article Abstract:

Experiments with human subjects, adult women and preschool boys, indicate food preferences influence self-control. The choice for reinforcers is influenced by the quality, frequency, amount and time delay imposed in the situation. Receipt of the most preferred food is a main factor in decisions of subjects.

Analysis, Food habits, Self-control, Self control

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