Memory lossForgetfulness; Amnesia; Impaired memory; Loss of memory; Amnestic syndrome; Dementia - memory loss; Mild cognitive impairment - memory loss
Memory loss (amnesia) is unusual forgetfulness. You may not be able to remember new events, recall one or more memories of the past, or both.
The memory loss may be for a short time and then resolve (transient). Or, it may not go away, and, depending on the cause, it can get worse over time.
Kirshner HS, Ally B. Intellectual and memory impairments. In: Daroff RB, Jankovic J, Mazziotta JC, Pomeroy SL, eds. Bradley's Neurology in Clinical Practice. 7th ed. Philadelphia, PA: Elsevier; 2016:chap 7.
Oyebode F. Disturbance of memory. In: Oyebode F, ed. Sims' Symptoms in the Mind: Textbook of Descriptive Psychopathology. 5th ed. Philadelphia, PA: Elsevier Saunders; 2015:chap 5.