Taste preferences in a free-choice situation following electrical stimulation and lesion of septal area in rats.
Physiol Behav
; 34(4): 619-24, 1985 Apr.
Article
en En
| MEDLINE
| ID: mdl-4011743
In the present study, electrical stimulation of medical or laternal septal areas and total or restricted lesions of these were conducted to observe the effect on ingestion of primary taste solutions in a free-choice situation. Stimulation induced a specific decrease in the intake of NaCl solution and had no effect on saccharin, acetic acid and quinine solutions and water. Total septal lesion or restricted lesions of medial or lateral septal areas induced hyperdipsia in rats. The lesioned rats, in a free-choice situation preferred NaCl, saccharin, as well as acetic acid solutions. This increase in acetic acid intake after lesion suggests that sour taste is also affected. Furthermore, there was no consumption of quinine solution before and after the lesion. This might be due to the presence of sweet tasting saccharin solution in this free-choice situation. These results indicate that the septal area causes aversion to NaCl intake, probably by inhibiting lateral hypothalamic neurons responsible for NaCl ingestion. The consumption of large quantities of saccharin, NaCl and acetic acid after the septal lesion suggests that the rats become overresponsive to taste factors in a free-choice situation.
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Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Tabique Pelúcido
/
Gusto
/
Preferencias Alimentarias
Aspecto:
Patient_preference
Límite:
Animals
Idioma:
En
Revista:
Physiol Behav
Año:
1985
Tipo del documento:
Article
Pais de publicación:
Estados Unidos