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Rats were trained either sated or hungry in a simple three-event series of sucrose rewards in which the first series trial always resulted in a 4% sucrose solution, the second trial a 32% solution, and the third trial nonreward (4-32-0).
The remaining animals (sated) were allowed 1.5-hr access to food in their home cages immediately prior to beginning daily training.
Plotted in Figure 1 are the average transformed running times for both hungry and sated rats on Day 32, the last day of training with 4-32-0, and Day 33, the first day of the transfer test with 32-4-0.
A 2 by 2 factorial analysis of variance that combined the two levels of motivation, hungry and sated, with the two levels of cage experience with sucrose, experience and no experience, was performed over series (there were two 3-trial series each day) and trials on Days 32 and 33.
(2) Sated rats were not adversely affected by the reversal of the series events leading to nonreward.
If patterning and the SuNCE were mediated by interitem associations (Capaldi, 1985), the exceptions with sated rats to the typical failures to find such effects in sucrose-rewarded animals would imply that satiation somehow amplifies the influence of such associations at least when the rewards are sucrose solutions.
Interitem associations are not, however, a productive means of conceptualizing the behavior of the sated rats who were unaffected by the transfer shift.
In the hour it takes the diet aid's proteing to break down in the stomach, the body will be fooled into thinking its caloric cravings have been sated, Battista says.