Anterograde Amnesia

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Types of Amnesia a) Anterograde amnesia Anterograde amnesia happens as a result of brain trauma that involves the hippocampus, fornix, or mammillary bodies. Here the patient is unable to recollect events, that occur after the onset of the amnesia, for more than a few minutes. In other words, in these patients, recent events are not transferred to long-term memory. For example the patient is unable to recollect what his colleague’s name is or what he had for breakfast or which movie he saw the day before. Although the person''s intelligence, personality and judgment is intact he may have trouble in retaining his job because his day- to- day functional memory is poor. This can be devastating to the person and to his family. However,…show more content…
Patients retain their identities, immediate recall abilities, distant memories, attention span, language function, visual-spatial and social skills. However, they are often very confused by the ambience and the people around them. Although the period of memory loss does not usually last for more than a day the experience can be frightening! Some of the victims experience headache, dizziness, and nausea along with memory loss. Once recovered, the individuals are able to remember what occurred during the period of memory loss. TGA generally affects fifty to eighty-year-old men. Its incidence is 3.4 to 5.2 people per 100,000 per year and the condition mostly affects 50-80 year olds. Causes of TGA remain controversial. They include - Emotional stress Strenuous physical exertion Transient ischemic attack, a "mini-stroke." Basilar artery migraine, f) Wernike-Korsakoff's psychosis – This amnesia is a progressive disorder caused by extended alcohol abuse. It is usually accompanied by neurological dysfunctions such as loss of co-ordination during movement or a feeling of numbness in the fingers and

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