Lack of similarity between the effect of lesions of the suprachcasmatic nucleus and subparaventricular hypothalamic zone on behavioral circadian rhythms

Cipolla Neto, J; Afeche, S. C; Barreto, L. Menna; Marques, N; Silva, A. A. Benedito; Fortunato, G; Recine, E. G. I. G; Schott, C

Cipolla Neto, J; Afeche, S. C; Barreto, L. Menna; Marques, N; Silva, A. A. Benedito; Fortunato, G; Recine, E. G. I. G; Schott, C.

Braz. j. med. biol. res ; 21(3): 653-4, Mar. 1988.

Article in English | LILACS | ID: lil-60273

ABSTRACT

ABSTRACT

Rats were submitted to eletrolytic lesion of either the suprachiasmatic nucleus (SCN) or the subparaventricular hypothalamic zone (SPVH) and the effects on circadian behavioral rhythms were compared. While the SCN lesion abolished the circadian rythmicity of all behavioral patterns, the SPVH lesion only abolished that of the eating and drinking behavior and reduced the amplitude of a behavioral item usually associated with REM sleep

Subject(s)

Rats; Animals; Male; Behavior, Animal/physiology; Circadian Rhythm; Paraventricular Hypothalamic Nucleus/physiology; Suprachiasmatic Nucleus/physiology; Rats, Inbred Strains

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Index: LILACS (Americas) Main subject: Paraventricular Hypothalamic Nucleus / Suprachiasmatic Nucleus / Behavior, Animal / Circadian Rhythm Limits: Animals Language: English Journal: Braz. j. med. biol. res Journal subject: Biology / Medicine Year: 1988 Type: Article / Congress and conference

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