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Cortical and Hippocampal Correlates of Deliberation during Model-Based Decisions for Rewards in Humans

Figure 1

Serial reaction time task.

Images were presented one at a time for a fixed 3000-order Markov transition process (i.e., a matrix of conditional probabilties). The conditional probabilities were changed abruptly at three points during the task, unaligned to rest periods and with no visual or other notification. (Images shown here are not those used in the study, but public domain stand-ins from that reflect the category of the photographs used during the experiment.)

Figure 1