Even not much is known about the Causes for hyperthymesia syndrome, but the medical explain about hyperthymesia syndrome after they studies scan brain the patient and they met 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, However in psychological studies showed that hyperthymestics have a strong tendency to have obsessive compulsive disorder (OCD) and that it may have some psychological etiology.