The tendency for ghosts or otherwise deceased characters, sometimes other types of The Undead, to forget the details of their former lives. Common things forgotten are: their cause of death, everything but their cause of death, or everything about their former life entirely. It's often a major problem when attempting to accomplish Ghostly Goals. At times, it may be a self imposed Weirdness Censor / Laser-Guided Amnesia to avoid realizing they died in the first place. Examples of Ghost Amnesia include: