User:Mr. Ibrahem/Amnesia

Amnesia is the loss of the ability to recall memories of past events. This may be a partial or complete loss during a specific period of time. Generally the ability to perform skills is retained and only the ability to remember facts is lost. The loss of memory may be brief, permanent but stable, or progressively worsening.

Causes my include head injury, thiamin deficiency, stroke, seizures, dementia, alcoholism, brain tumors, certain medications, encephalitis, transient global amnesia, and severe psychological stress. The underlying mechanism is not completely understood, though various areas of the brain may be involved. Types before the causal event, after the causal event, and pertaining to a specific sensory system. Diagnosis may be based on symptom and supported by formal testing. It differs from impaired motivation, attention, or reasoning ability.

Management involved addressing the underlying cause. Memory aids or counselling may be useful. There are no medications are supplements that help. People with permanent or progressive issues, often struggle.

Overall rates are unclear. About 12% of people have problems after a head injury, while up to 18% may have stress related issues. That memory was related to the brain was known by the Middle Ages. The term is ;.