cataplexy


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cat·a·plex·y

 (kăt′ə-plĕk′sē)
n. pl. cat·a·plex·ies
A sudden loss of muscle tone and strength, usually caused by an extreme emotional stimulus.

[From Greek kataplēxis, fixation (of the eyes), from kataplēssein, to astound, terrify : kata-, intensive pref.; see cata- + plēssein, plēk-, to strike; see plāk- in Indo-European roots.]

cat′a·plec′tic (-plĕk′tĭk) adj.

cataplexy

(ˈkætəˌplɛksɪ)
n
1. (Pathology) sudden temporary paralysis, brought on by severe shock
2. (Zoology) a state of complete absence of movement assumed by animals while shamming death
[C19: from Greek kataplēxis amazement, from kataplēssein to strike down (with amazement), confound, from kata- down + plēssein to strike]
ˌcataˈplectic adj

cataplexy

a temporary paralytic or hypnotic state, often brought on by strong emotion. — cataplectic, adj.
See also: Nerves
Translations

cat·a·plex·y

n. cataplejía, pérdida repentina del tono muscular causada por un estado emocional intenso.

cataplexy

n cataplexia
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References in periodicals archive ?
There is no cure for narcolepsy, though tricyclic antidepressants can help symptoms of cataplexy and dreaming, and stimulants can alleviate the symptoms of excessive daytime sleepiness.
9] Besides excessive daytime sleepiness (EDS) and uncontrollable sleep attacks, the classic symptoms of narcolepsy include: cataplexy (short episodes of muscle weakness and/or paralysis without change in consciousness that are precipitated by strong emotion); sleep paralysis (the inability to move muscles while falling asleep or on awakening); and hypnagogic or hypnopompic hallucinations (dreamlike images occurring at sleep onset or on awakening, respectively).
Although no one understand the specific process that takes place in the brain when a narcoleptic falls asleep in the middle of a conversation or while driving, or experiences cataplexy (muscular weakness brought on by emotion or excitement), it is clear that a genetic defect is responsible.
Even if clear-cut narcolepsy is present, per an incontrovertible history of cataplexy, overnight sleep laboratory monitoring usually still is warranted, due to the high prevalence of sleep apnea: even as an aggravating factor that could render treatment for narcolepsy less efficacious.
M2 PHARMA-December 19, 2016-Flamel Technologies doses first patient with sodium oxybate in REST-ON Phase III Trial of FT218 for excessive daytime sleepiness & cataplexy
The A-level student has cataplexy which causes a sudden loss of muscle control.
Jacqueline Lloyd, 37, suffers from narcolepsy and cataplexy, which means she experiences extreme sleepiness and muscle weakness every day.
As a cataplexy victim, any sudden surge of emotion can cause me to collapse, unconscious.
Many victims also suffer from cataplexy, a sudden and frightening relaxation of the body's muscles which causes people to collapse or even pass out without warning.
Other than expressing worry about his narcolepsy and cataplexy there were no positive findings on the routine mental status examination on admission.