Trial examples when search is for cars. A, In subject Group A, the high-reward category is cars; and in this example, the current target of search is cars. The scene contains an example of the target category; for this subject group, this is a lateral high-reward target. The task is to report the facing direction of the target, which is left, and correct response garners high-magnitude reward. B, In subject Group B, the high-reward category is people; but in this example, the current target of search is cars. The scene contains an example of the target category; for this subject group, this is a lateral low-reward target. The task is to report the facing direction of the target, which is left, and correct response garners low-magnitude reward.