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・ Transient (civil engineering)
・ Transient (computer programming)
・ Transient (oscillation)
・ Transient acantholytic dermatosis
・ Transient astronomical event
・ Transient bullous dermolysis of the newborn
・ Transient climate simulation
・ Transient elastography
・ Transient electromagnetics
・ Transient epileptic amnesia
・ Transient equilibrium
・ Transient erythroblastopenia of childhood
・ Transient erythroporphyria of infancy
・ Transient evidence
・ Transient friction loading
Transient global amnesia
・ Transient hyperammonemia of the newborn
・ Transient hypogammaglobulinemia of infancy
・ Transient ischemic attack
・ Transient kinetic isotope fractionation
・ Transient lingual papillitis
・ Transient liquid phase diffusion bonding
・ Transient lunar phenomenon
・ Transient modelling
・ Transient neonatal diabetes mellitus
・ Transient neonatal pustular melanosis
・ Transient noise
・ Transient occupancy tax
・ Transient photocurrent
・ Transient Random-Noise Bursts with Announcements


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Transient global amnesia : ウィキペディア英語版
Transient global amnesia

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 deeply encoded facts of the individual’s past, such as his or her own name.
==Symptoms==
A person having an attack of TGA has almost no capacity to establish new memories, but generally appears otherwise mentally alert and lucid, possessing full knowledge of self-identity and identity of close family, and maintaining intact perceptual skills and a wide repertoire of complex learned behavior. The individual simply cannot recall anything that happened outside the last few minutes, while memory for more temporally distant events may or may not be largely intact.〔〔 The degree of amnesia is profound, and, in the interval during which the individual is aware of his or her condition, is often accompanied by anxiety.
The diagnostic criteria for TGA, as defined for purposes of clinical research, include:〔
* The attack was witnessed by a capable observer and reported as being a definite loss of recent memory (anterograde amnesia).
* There was an absence of clouding of consciousness or other cognitive impairment other than amnesia.
* There were no focal neurological signs or deficits during or after the attack.
* There were no features of epilepsy, or active epilepsy in the past two years, and the patient did not have any recent head injury.
* The attack resolved within 24 hours.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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