Preoperative latent place learning preserves salt appetite following damage to the central gustatory system

Points out that rats given the experience of tasting saline before receiving lesions in the region of the thalamic taste relay are protected from the usual lesion-induced deficits in salt appetite. In the present study with 48 male Sprague-Dawley rats, the location of the saline during postoperative...

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Bibliographic Details
Published in:Behavioral neuroscience 1984-02, Vol.98 (1), p.146-151
Main Authors: Paulus, Ronald A, Eng, Ricardo, Schulkin, Jay
Format: Article
Language:English
Subjects:
Animal
Animals
Appetite - physiology
Biological and medical sciences
Conditioning
Discrimination Learning - physiology
Fundamental and applied biological sciences. Psychology
Latent Learning
Learning. Memory
Male
Olfactory Pathways - physiology
Orientation - physiology
Psychology. Psychoanalysis. Psychiatry
Psychology. Psychophysiology
Rats
Rats, Inbred Strains
Saline Solution, Hypertonic
Sodium
Taste - physiology
Thalamic Nuclei - physiology
Thalamus
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Summary:Points out that rats given the experience of tasting saline before receiving lesions in the region of the thalamic taste relay are protected from the usual lesion-induced deficits in salt appetite. In the present study with 48 male Sprague-Dawley rats, the location of the saline during postoperative testing was varied from the location during preoperative training for some Ss and kept the same for others. A clear protective effect was evident when the preoperative and postoperative locations were the same but not when they were different. This protective effect may be due to place learning because it is known that rats can remember tasting saline in a particular place and then return there when in a state of sodium need. (30 ref)
ISSN:0735-7044
1939-0084
DOI:10.1037/0735-7044.98.1.146