Effects of devaluation of preferred food on foraging pattern, compared with the criterion day, 1 trial prior to devaluation. ¥: In addition to the main effects of Group, Task and Trial, a Group × Trial interaction was also reliable, indicating the effect of devaluation was greater in magnitude for controls than for Group Neo-Hibo. Group Neo-C, filled symbols; Group Neo-Hibo, open symbols; circles/dashed lines indicate cued task, squares/solid lines indicate spatial task. All other conventions as in Figure 4.