![]() Defining cataplexy as a disorder by itself is misleading. Three additional symptoms often associated with narcolepsy are sudden extreme muscle weakness (cataplexy), a specific type of hallucination that occurs just. More information can be found in our resources on symptoms of narcolepsy and narcolepsy diagnosis and assessment. Here’s what the movie misses: cataplexy without narcolepsy is extremely rare (it has only been documented in a couple of case reports). ![]() Whilst there are a few neurodevelopmental conditions in which a form of cataplexy may be seen, those conditions are exceedingly rare, and so the occurrence of cataplexy generally makes diagnosis of narcolepsy much more certain. When cataplexy is present, it is extremely rare for it to be an isolated symptom – the vast majority of those with typical cataplexy will also have symptoms of narcolepsy. However, for people with narcolepsy, REM sleep begins almost immediately in their sleep cycles and fragments of REM occur involuntarily during waking hours. Cataplexy may be most severe when the person with narcolepsy is tired rather than fully alert, and can lead to considerable anxiety. These must have been occurring at least 3 times per week over the past 3 months.1 The presence of at least one of the following: Episodes of cataplexy. Typically, cataplexy does not develop for months or even years after the first signs of excessive daytime sleepiness, but in rare cases it is the first observed symptom of narcolepsy. It is thought that about 75% of patients with narcolepsy experience cataplexy. groups when narcolepsy is clinically defined by the pres-ence of clear-cut cataplexy.7,31 This result again confirms the notion that narcolepsy-cataplexy is a more homoge-neous nosologic entity than narcolepsy without cataplexy. Does everyone with narcolepsy have cataplexy? During both mild and severe attacks, the person stays fully conscious. How long does it last?Ĭataplexy attacks generally last less than two minutes, and they may only last a few seconds, though some people have repeated attacks of cataplexy which persist for up to 30 minutes. Speech may be slurred, and eyesight impaired (double vision, inability to focus) but hearing and awareness remain undisturbed. ![]() ![]() The loss of muscle tone that occurs may range from a just-perceptible weakening of the facial muscles through weakness at the knees, to total collapse on the floor. Cataplexy is the term given to sudden muscular weakness triggered by strong emotions such as laughter, anger and surprise. ![]()
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