The typical case is characterized by a sudden, complete inability to retain new information, lasting for several hours, in a middle-age or older person, with preservation of alertness and all other ...

Anterograde amnesia refers to a decreased ability to retain new information. This can affect your daily activities. It may also interfere with work and social activities because you might have ...

Dissociative amnesia causes memory loss, often due to severe stress or trauma. People may not remember important information about themselves or things that have happened to them. For example, the ...

Amnesia is a type of memory loss that affects your ability to make, store, and retrieve memories. Retrograde amnesia affects memories that were formed before the onset of amnesia. Someone who develops ...