The scans showed two areas of Price’s brain to be abnormally large: the caudate nuclei and part of the temporal lobe. Neither one is part of the frontal cortex, but their functions do offer another theory as to why Price can’t forget. Both are involved in memory formation, but of different kinds. The caudate nucleus is important in storing automatic memories, the kinds of memories you don’t know you’re learning. An example would be learning how to ride a bicycle.