Cataplexy Meaning, Learn its signs, symptoms, causes, diagnosis, and treatment options.
- Cataplexy Meaning, n. The term 'narcolepsy' was first used by Gelineau in 1880 to describe a pathological state of daytime sleepiness and is a term derived from the Greek 'seized by somnolence' 1 . cat′a·plec′tic adj. Learn more about this sudden loss of voluntary muscle tone when strong emotions are Cataplexy is a sudden brief impairment of muscle tone that can vary from subtle slackening—such as a limpness of the arms or legs—to a complete loss of strength that causes collapse. Most people with narcolepsy have cataplexy. It causes sudden and brief muscle weakness triggered by strong emotions, like laughter or anger. cataplexy synonyms, cataplexy pronunciation, cataplexy translation, English dictionary definition of cataplexy. American Heritage® Oct 3, 2023 · Cataplexy is defined as episodes of muscle weakness triggered by strong, generally positive emotions [1]. cataplexy The momentary paralysis, or weakness of the limbs, that sometimes affects people surprised by a strong emotion such as, anger, fear, jealousy, happiness or hilarity. Dec 10, 2025 · Cataplexy causes sudden muscle weakness triggered by strong emotions. Learn how to identify, prevent and treat cataplexy attacks. [1] The symptoms of narcolepsy include excessive daytime sleepiness (EDS), sleep-related hallucinations, sleep paralysis, disturbed nocturnal sleep (DNS), and cataplexy. Narcolepsy is a sleep disorder characterized by excessive daytime sleepiness, sleep paralysis, hallucinations, and, in some cases, cataplexy. The term cataplexy originates from the Greek κατά (kata, meaning "down"), and πλῆξις (plēxis, meaning "strike") [4] and it was first used around 1880 in German physiology literature to describe the phenomenon of tonic immobility also known as "playing possum" (in Cataplexy is a symptom of narcolepsy type 1, a chronic sleep disorder. Learn what episodes look like, why they happen, and how to stay safe. People with narcolepsy may feel rested after waking, but then feel very sleepy throughout much of the day. Sep 2, 2020 · Cataplexy happens when your muscles suddenly go limp or significantly weaken without warning. Here's why it happens, other symptoms, and more. cat·a·plex·ies A sudden loss of muscle tone and strength, usually caused by an extreme emotional stimulus. Find out more about this condition and how doctors diagnose it. Apr 27, 2026 · Cataplexy causes sudden muscle weakness triggered by emotions. Aug 22, 2023 · Cataplexy is a condition that can range from barely noticeable muscle weakness to a complete blackout. Narcolepsy is a chronic neurological disorder that impairs the ability to regulate sleep–wake cycles, and specifically impacts REM (rapid eye movement) sleep. pl. Define cataplexy. May 16, 2023 · Cataplexy is often misdiagnosed as a seizure disorder, but unlike with fainting or seizure disorders, people who experience cataplexy are awake and aware of what’s happening. Learn its signs, symptoms, causes, diagnosis, and treatment options. Cataplexy is the term given to sudden muscular weakness triggered by strong emotions such as laughter, anger and surprise. See examples of cataplexy used in a sentence. There are two major types of narcolepsy: type 1 and type 2 Trusted Source Elsevier Elsevier is a publishing company that aims to help researchers and health care professionals advance science and improve heal Jul 8, 2026 · The meaning of CATAPLEXY is sudden loss of muscle power following a strong emotional stimulus. [1] People with narcolepsy typically have poor quality of sleep CATAPLEXY definition: a condition characterized by sudden, brief attacks of muscle weakness sometimes causing the body to fall helplessly, that is usually triggered by strong emotion: often associated with narcolepsy. Mar 13, 2026 · Narcolepsy is a chronic neurological disorder that affects the brain’s ability to control sleep-wake cycles. Learn more here. CATAPLEXY definition: sudden temporary paralysis , brought on by severe shock | Meaning, pronunciation, translations and examples Feb 7, 2022 · Cataplexy is a symptom common among people with narcolepsy; its clinical features include a sudden loss of muscle tone and temporary paralysis. Cataplexy without narcolepsy is rare and the cause is unknown. Mar 1, 2022 · Cataplexy is a sudden loss of muscle tone and power in response to strong emotion - it always and only occurs as part of narcolepsy . Cataplexy is likely driven by the REM sleep atonia mechanisms that inhibit motor neurons, resulting in a loss of Cataplexy is the sudden brief loss of muscle strength or tone often brought on by strong emotions. It occurs almost exclusively in people with NT1, though it can occur in other rare disorders that injure the orexin/hypocretin neurons and their connections in the brainstem. . 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. 0unxx6, id84, esdifrw, vkyud, tjcb, n15hl48, yda0j, fyw, rv9w, 0uaaa,