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. Author manuscript; available in PMC: 2006 Apr 3.
Published in final edited form as: Learn Behav. 2005 Nov;33(4):464–478. doi: 10.3758/bf03193185

Table 1.

Outline of Procedures of Experiments 1 and 2

Experiment 1
Group Name Training Surprise Pretest Mediated Aversion Test
Extended-Surprise 112 CSextended → food
16 CSminimal →food		 CSextended → nothing food? CSextended → LiCl food?
Extended-No Surprise 112 CSextended → food
16 CSminimal → food		 chamber only food? CSextended → LiCl food?
Minimal-Surprise 112 CSextended → food
16 CSminimal → food		 CSminimal → nothing food? CSminimal → LiCl food?
Minimal-No Surprise 112CSextended → food
16 CSminimal → food		 chamber only food? CSminimal → LiCl food?
Experiment 2
Group Name Training Surprise Test
Surprise 112 CSextended → food
16 CSminimal → food		 CSextended → nothing CSextended → new food
No Surprise 112 CSExtended → food
16 CSminimal → food		 chamber only CSextended → new food

Notes.The numbers listed in the training column refer to the total number of trials of each type. In Experiment 2, the new food was delivered in the original food cup in half of the rats in each group and in a new food cup in the other half of the rats. CS = conditioned stimulus, LiCl = lithium chloride, → followed by.