Without memory An active information processing system, that receiveds, organises, stores and retrives information every moment would be a new experience. Forgetting the inability to retrive previously stored information occurs when the information is not availble or accesible. Because psychologists don't know exactly how memories are stored, or what form they take, it is not possible to say exactly how the individual forgets.. However there are several theores suggesting why forgetting occurs, such as the interferance and decay theory. Although it may seem that forgetting is a problem, infact it is necessary to keep humans sane. Otherwise humans would be...
unconsiously blocks traumatic experences to protect the indidivudal Froyed This theory has been difficult to test, but evidence from various instances suggests that represion takes place in certain circumstaces.

Orgain causes forgetting. Amnesia refers to various memory disorders that can be caused by things such as brain injury, reaction to a drug, of an emotional trauma.

Forgetting can occur at the encoding, storage of retrival stage. The exact reason for why the indidivudal forgets information is unknown, but many theories suggest why it occurs. Forgetting unnecessary informmation is neccesary for survival, life can be difficult with a good memory.