The procedure in the test trials was similar to the procedure used in the habituation trials with only one exception. In the new container, rats were given a novel food. The novel food was the pulped food identical to that used in the habituation trials, but with the addition of cinnamon (2 g cinnamon/100 g standard feed). Sim- ilarly, after the trial, the rats were individually placed in their cages. They were given access to laboratory rat’s feed in the feed hopper for two hours. They were then deprived of food for a further 22 h. Each test trial lasted for 10 minandwasrepeated over 3 consecutive days (once per day).