Amnesia is when an individual loses all or some of their memory.
It can be caused by a blow to the head, brain illnesses, or an extreme emotional experience.
Anterograde amnesia - when the individual struggles to remember regular or day to day events and activities after a physical injury or accident.
Retrograde amnesia - when the individual struggles to remember events or activities that happened before their injury.
Transient global amnesia - disruption to the memory that lasts for around 4-12 hours normally following trauma.
Fugue amnesia - when the individual cannot remember who they are and struggles with identity.
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