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Wikenigma - an Encyclopedia of Unknowns Wikenigma - an Encyclopedia of the Unknown

Transient global amnesia (TGA)

Transient global amnesia (TGA) is a neurological disorder whose key defining characteristic is a temporary but almost total disruption of short-term memory with a range of problems accessing older memories. A person in a state of TGA exhibits no other signs of impaired cognitive functioning but recalls only the last few moments of consciousness, as well as possibly a few deeply encoded facts of the individual's past, such as their childhood, family, or home perhaps.
Source: Wikipedia

It's usually fairly short lasting - typically 2 - 8 hours. It's known that various triggers can lead to TGA episodes - such as: vigorous exercise - trauma - migraine - intoxicants - epilepsy etc.

The underlying psycho-neural mechanisms which lead to an attack, and the way in which sufferers recover in a few hours, is unknown.


Also see: Memoryplugin-autotooltip__plain plugin-autotooltip_bigMemory

On a macro scale, neuroscientists now know (more or less) where memories are 'stored' in the human brain. The brain's hippocampus, the amygdala, the striatum and the mammiliary bodies (for example) are known to be involved in some way, because individuals who s…
and Hangoverplugin-autotooltip__plain plugin-autotooltip_bigHangover

"“Alcohol hangover is characterized by adverse physical and mental effects that occur the next morning after the intake of toxic doses of alcohol. This phenomenon is a very frequent experience among alcohol-consuming people and it has been associated to high …


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