Effects of isolation-rearing on voluntary consumption of ethanol, sucrose and saccharin solutions in Fawn Hooded and Wistar rats. 1998

F S Hall, and S Huang, and G W Fong, and A Pert, and M Linnoila
Laboratory of Clinical Studies, National Institutes on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD 20892, USA.

These experiments examined the hypothesis that isolation-rearing and strain influence hedonic mechanisms. In experiment 1, voluntary consumption of ethanol and water was monitored in the home cage of Fawn Hooded (FH) and Wistar rats. FH rats were found to consume more ethanol at low concentrations than Wistar rats, independent of rearing condition, and isolation-reared rats were found to consume more of high ethanol concentrations, independent of strain. In experiment 2, isolation-reared rats were found to consume more sucrose, independent of concentration, than socially reared rats. In experiment 3, Fawn Hooded rats were found to be more sensitive to low concentration solutions of saccharin, and to consume less of the high concentration solutions, while isolation-rearing was found to enhance consumption of high concentrations. Thus, hedonic processes are independently modulated by strain and rearing conditions, although the effects of isolation-rearing appear to be exacerbated in Fawn Hooded rats.

UI MeSH Term Description Entries
D008297 Male Males
D005247 Feeding Behavior Behavioral responses or sequences associated with eating including modes of feeding, rhythmic patterns of eating, and time intervals. Dietary Habits,Eating Behavior,Faith-based Dietary Restrictions,Feeding Patterns,Feeding-Related Behavior,Food Habits,Diet Habits,Eating Habits,Behavior, Eating,Behavior, Feeding,Behavior, Feeding-Related,Behaviors, Eating,Behaviors, Feeding,Behaviors, Feeding-Related,Diet Habit,Dietary Habit,Dietary Restriction, Faith-based,Dietary Restrictions, Faith-based,Eating Behaviors,Eating Habit,Faith based Dietary Restrictions,Faith-based Dietary Restriction,Feeding Behaviors,Feeding Pattern,Feeding Related Behavior,Feeding-Related Behaviors,Food Habit,Habit, Diet,Habit, Dietary,Habit, Eating,Habit, Food,Habits, Diet,Pattern, Feeding,Patterns, Feeding,Restrictions, Faith-based Dietary
D000428 Alcohol Drinking Behaviors associated with the ingesting of ALCOHOLIC BEVERAGES, including social drinking. Alcohol Consumption,Alcohol Intake,Drinking, Alcohol,Alcohol Drinking Habits,Alcohol Drinking Habit,Alcohol Intakes,Consumption, Alcohol,Drinking Habit, Alcohol,Habit, Alcohol Drinking,Habits, Alcohol Drinking,Intake, Alcohol
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D012439 Saccharin Flavoring agent and non-nutritive sweetener. Saccharin Calcium,Saccharin Sodium,Calcium, Saccharin
D012934 Social Isolation The separation of individuals or groups resulting in the lack of or minimizing of social contact and/or communication. This separation may be accomplished by physical separation, by social barriers and by psychological mechanisms. In the latter, there may be interaction but no real communication. Isolation, Social,Social Exclusion,Exclusion, Social,Social Exclusions
D013395 Sucrose A nonreducing disaccharide composed of GLUCOSE and FRUCTOSE linked via their anomeric carbons. It is obtained commercially from SUGARCANE, sugar beet (BETA VULGARIS), and other plants and used extensively as a food and a sweetener. Saccharose
D017208 Rats, Wistar A strain of albino rat developed at the Wistar Institute that has spread widely at other institutions. This has markedly diluted the original strain. Wistar Rat,Rat, Wistar,Wistar Rats
D051381 Rats The common name for the genus Rattus. Rattus,Rats, Laboratory,Rats, Norway,Rattus norvegicus,Laboratory Rat,Laboratory Rats,Norway Rat,Norway Rats,Rat,Rat, Laboratory,Rat, Norway,norvegicus, Rattus

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