Learned aversions in rats fed a tryptophan-free diet
| Autor: | Ilene L. Bernstein, Charles M. Treneer |
|---|---|
| Rok vydání: | 1981 |
| Předmět: |
Male
Food intake Free access Tryptophan Nutritional Requirements Experimental and Cognitive Psychology Rats Inbred Strains Anorexia Biology Choice Behavior Rats Behavioral Neuroscience Eating Preference test Aversion conditioning Taste medicine Avoidance Learning Animals Food science medicine.symptom Tryptophan.free |
| Zdroj: | Physiologybehavior. 27(5) |
| ISSN: | 0031-9384 |
| Popis: | Rats maintained for ten days on a tryptophan-free diet (TRP-FREE) consumed significantly less food than rats receiving the same diet supplemented with L-tryptophan (TRP-SUPP). On Day 11, both groups of rats were given a 24-hour two-diet preference test which allowed them to choose between the pre-exposed diet and a novel alternative. TRP-FREE rats displayed significantly lower preferences than TRP-SUPP rats for the pre-exposed diet. Reduced preferences were still present after animals had been allowed a week of free access to nutritionally adequate chow. The results suggest that the declines in food intake induced by a tryptophan-free diet may be based on learned aversions. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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