1/3/2024 0 Comments Cataplexy attack meaning![]() ![]() In about 10 percent of cases, narcolepsy runs in families. Less often, the cause of narcolepsy is an injury that damages the brain. Their immune system mistakenly turns against their body and attacks the brain cells that produce hypocretin. sudden attacks of muscle weakness in the daytime (cataplexy) Cataplexy is the least common symptom of these, and many people with narcolepsy never experience it. Some people experience hallucinations and sleep paralysis when they’re falling asleep or waking up.Ĭertain people with autoimmune disorders are more likely to get narcolepsy with cataplexy. The lack of hypocretin makes it hard for someone to stay awake during the day, blurring the line between wakefulness and sleep. That loss of muscle tone causes you to lose control over your body when you’re awake. It’s the same loss of muscle tone that naturally happens during rapid eye movement (REM) sleep. The loss of muscle tone, cataplexy, happens because sleep and wakefulness overlap in narcolepsy. When it’s in short supply, your brain has trouble regulating your sleep-wake cycles. The identification of cataplexy in these animals led to the discovery of narcolepsy in these animal species. This chemical, which is produced in a brain region called the hypothalamus, controls sleep and wakefulness. Nishino, in Encyclopedia of Neuroscience, 2009 Cataplexy and Hypocretin/Orexin Deficiency Cataplexy is also a hallmark symptom of narcolepsy in animals, such as dogs and mice. Low levels of the chemical hypocretin cause narcolepsy with cataplexy. ![]() Narcolepsy affects signals in your brain that are supposed to keep you awake. ![]()
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