Fig. 5. Change of context and memory boosting. (A) A change in context on Day 2 ITM-training prevents the establishment of LTM. White bars, standard training context; black bars, carrot training context. See text for details. (B) Training in the standard context on Day 1 and then training in the carrot context on Day 2 does not produce a LTM on Day 3 in the carrot context. (C) Similar results were found as in B if we reversed the presentation of the contexts used for ITM-training.