cataplexy

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Related to cataplectic: cataleptic

cataplexy

[′kad·ə‚plek·sē]
(medicine)
Sudden loss of muscle tone provoked by exaggerated emotion, such as excessive anger or laughter, often associated with a profound desire for sleep.
Prostration by the sudden onset of disease.
Hypnotic sleep.
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References in periodicals archive ?
Currently, drug therapy with sodium gamma-hydroxybutyrate (Xyrem [R]) can reduce cataplectic attacks by 70 percent.
One scan was performed during a cataplectic attack and the second scan during an asymptomatic period, in which she had been attack-free for eight hours.
However, when this analysis was repeated with only the cataplectic respondents, no statistically significant association was found (except with hypnagogic hallucinations).
Some of the episodes might also be cataplectic events, notes Yanagisawa.
The doctor added: "If Philip had a cataplectic attack in these circumstances, he would lose control of his arms and, in particular, he would lose control of his legs and wouldn't be able to brake.
Simply playing fetch can trigger a cataplectic attack.
14) These cataplectics remain fully aware of their surroundings but cannot move and, by falling, risk serious injury.