![]() The sufferer will not be able to remember anything that occurs after the onset of this type of amnesia for more than a brief period following the event. In anterograde amnesia, new events contained in the immediate memory are not transferred to the permanent as long-term memory.For example, a person who would try to imagine what would happen at a party that would occur in the near future would use their past experience at parties to help construct the event in the future. This is because when a normal human being imagines the future, they use their past experiences to construct a possible scenario. A recent study published online in the Proceedings of the National Academy of Sciences shows that amnesiacs with damaged hippocampi cannot imagine the future. This global type of amnesia is more common in middle-aged to elderly people, particularly males, and usually lasts less than 24 hours.Īnother effect of amnesia is the inability to imagine the future. Amnesia may also be spontaneous, in the case of transient global amnesia. Hysterical post-traumatic amnesia is an example of this. Functional causes are psychological factors, such as defense mechanisms. Organic causes include damage to the brain, through trauma or disease, or use of certain (generally sedative) drugs. The causes of amnesia are organic or functional. Amnesia Classification & external resources ICD-10Īmnesia (from Greek Ἀμνησία) (see spelling differences) is a condition in which memory is disturbed. ![]()
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