Activity-based anorexia in rats as failure to adapt to a feeding schedule.
Progressive weight loss resulting from restriction to a daily 1.5-hr feeding period and access to a running wheel, the Activity-Based Anorexia (ABA) effect, was obtained in 3 experiments. However, bodyweight recovered when adaptation to the feeding schedule preceded access to the wheel (Experiment 1), when feeding was at the start of the dark period (Experiments 2 and 3), and when wheel access was denied in the 4 hr before food (Experiment 4). It was concluded that ABA results from interference with adaptation to a new feeding schedule due to the development of anticipatory behavior.
Dwyer
D M
DM
Department of Psychology, University of Sydney, New South Wales, Australia.
Boakes
R A
RA
D000223:Adaptation, Psychological; D000818:Animals; D002940:Circadian Rhythm; D005247:Feeding Behavior; D006815:Hunger; D008297:Male; D009042:Motivation; D051381:Rats; D012055:Reinforcement Schedule; D015431:Weight Loss