Amnestic Disorder, also known as amnesia, is related to dissociative amnesia and transient global amnesia, and has symptoms including mental and behavioral signs and symptoms, forgetful and memory loss. An important gene associated with Amnestic Disorder is PREP (Prolyl Endopeptidase), and among its related pathways/superpathways are Signal Transduction and Signaling by Receptor Tyrosine Kinases. The drugs Donepezil and Cholinergic Agents have been mentioned in the context of this disorder. Affiliated tissues include brain and temporal lobe, and related phenotypes are nervous system and homeostasis/metabolism