PMID: 3214542Dec 1, 1988Paper

Intraoral intake and taste reactivity responses elicited by sucrose and sodium chloride in chronic decerebrate rats

Behavioral Neuroscience
F W Flynn, H J Grill

Abstract

The oral stimulating effects of sucrose and sodium chloride (NaCl) were assessed in chronic decerebrate and pair-fed intact control rats by measuring both oral motor taste-reactivity responses and intraoral intake volume. Taste-reactivity responses were videotaped during the first minute of the intraoral taste infusion. The infusion continued until the taste solution was rejected from the mouth, and the intake volume was computed accordingly. The number of ingestive taste-reactivity responses and the volume of intraoral intake consumed by pair-fed control and decerebrate rats increased with increasing sucrose concentration. Sucrose intake increased as concentration increased to 0.1 M, then plateaued between 0.3, 1.3, and 2.0 M sucrose for both groups. For control rats, intraoral NaCl elicited an inverted U-shaped function for both taste-reactivity responses and intake. Taste-reactivity responses of chronic decerebrate rats varied with NaCl concentration. In contrast to control rats, intake of NaCl did not differ from that of water for decerebrate rats. These data indicate that caudal brain-stem mechanisms are sufficient to control sucrose intake but are not adequate for the concentration dependent intake of NaCl. Second, these ...Continue Reading

Citations

Aug 1, 1991·Pharmacology, Biochemistry, and Behavior·K LeebR Eikelboom
Jan 1, 1995·Neuroscience and Biobehavioral Reviews·J M KaplanH J Grill
Jan 1, 1993·Brain Research Bulletin·F W FlynnM Havens
Jan 1, 1997·Physiology & Behavior·T E ThieleN K Dess
Sep 19, 2003·Pharmacology, Biochemistry, and Behavior·Shelley K Cross-MellorKlaus-Peter Ossenkopp
May 1, 1997·Pharmacology, Biochemistry, and Behavior·J M KaplanH J Grill
Nov 5, 1997·Pharmacology, Biochemistry, and Behavior·S PeciñaL A Parker
May 19, 2000·Neuroscience and Biobehavioral Reviews·A C Spector
Dec 22, 1998·Brain Research. Brain Research Reviews·K C Berridge, T E Robinson
Nov 15, 2008·Endocrinology·John-Paul BairdLindsay A Grigg
Jun 6, 2009·American Journal of Physiology. Regulatory, Integrative and Comparative Physiology·Rebecca A Darling, Sue Ritter
Jun 24, 2011·American Journal of Physiology. Regulatory, Integrative and Comparative Physiology·Nicole R Kinzeler, Susan P Travers
Sep 21, 2011·Behavioral Neuroscience·Hayley Foo, Peggy Mason
Apr 5, 2012·Cerebral Cortex·Antonio DamasioDaniel Tranel

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