Is matching innate?

Article Abstract:

An experiment to study the way of feeding hoppers in naive mice wherein they poke into them infrequently and the poking that increases abruptly after a few sessions and at the beginning of a new session is conducted. The results show that the coupling between investment and income or the lack of it has a dramatic effect on the pattern of investment.

Matching theory

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Differential acquisition of lever pressing in inbred and outbred mice: Comparison of one-lever and two-lever procedures and correlation with difference in locomotor activity

Article Abstract:

Differential acquisition of milk-reinforcement lever pressing was observed in five inbred strains and one outbred stock of mice. The results hence suggest that appetitively reinforce lever pressing can be acquired rapidly in mice and that a combination of procedural, behavior, and genetic variables contributes to this acquisition.

Usage, Behavior genetics, Behavioral genetics, Operant conditioning, Animal locomotion, Behavioural genetics

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Effects of anorectic drugs on food intake under progressive-ratio and free-access conditions in rats

Article Abstract:

The effects of two anorectic drugs, dexfenfluramine and phentermine, on food intake under different food-access are examined. The effects of some anorectic drugs depend upon the access conditions for food and increasing the effort to obtain food may enhance their ability to decrease food-maintain behavior.

United States, Pharmaceutical Preparation Manufacturing, Pharmaceutical preparations, Appetite Suppressants, Appetite depressants, Dosage and administration

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