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What is the history of Narcolepsy?

When was Narcolepsy discovered? What is the story of this discovery? Was it coincidence or not?

History of Narcolepsy

Narcolepsy is a neurological disorder characterized by excessive daytime sleepiness, sudden loss of muscle tone (cataplexy), hallucinations, and sleep paralysis. The history of narcolepsy dates back to ancient times, although it was not officially recognized as a medical condition until the late 19th century.



Ancient References: The symptoms of narcolepsy have been documented in various ancient texts. In ancient Greece, the physician Galen described a condition called "lethargy" which included excessive sleepiness and sudden loss of muscle tone. In medieval Europe, there were reports of individuals falling asleep suddenly during the day, which were often attributed to demonic possession or witchcraft.



19th Century: The first scientific observations of narcolepsy began in the 19th century. In 1817, a French physician named Jean-Baptiste-Édouard Gélineau described a group of patients who experienced excessive daytime sleepiness and sudden muscle weakness. He coined the term "narcolepsy" to describe this condition, derived from the Greek words "narke" meaning numbness and "lepsis" meaning attack.



20th Century: In the early 20th century, further research and understanding of narcolepsy began to emerge. In 1902, German psychiatrist Carl Westphal identified a specific symptom of narcolepsy known as cataplexy, which is the sudden loss of muscle tone triggered by strong emotions. This discovery helped differentiate narcolepsy from other sleep disorders.



1920s-1930s: The discovery of REM (rapid eye movement) sleep in the 1950s shed light on the underlying mechanisms of narcolepsy. In the 1920s and 1930s, French physicians Henri Pieron and Jean Lhermitte conducted studies on dogs and humans, respectively, and observed abnormal sleep patterns associated with narcolepsy. They found that individuals with narcolepsy entered REM sleep directly from wakefulness, bypassing the normal sleep stages.



1970s-1980s: In the 1970s and 1980s, researchers made significant progress in understanding the neurochemical basis of narcolepsy. They discovered that individuals with narcolepsy had significantly reduced levels of hypocretin (also known as orexin), a neuropeptide involved in regulating wakefulness and sleep. This finding provided a breakthrough in understanding the underlying cause of narcolepsy.



Recent Advances: In recent years, advancements in genetics and neurobiology have further deepened our understanding of narcolepsy. Researchers have identified specific genes associated with narcolepsy, such as the HLA-DQB1 gene, which plays a role in the immune system. Additionally, studies have explored the potential role of autoimmune processes in the destruction of hypocretin-producing cells in the brain.



Narcolepsy remains a complex disorder with ongoing research to better understand its causes and develop more effective treatments. While significant progress has been made in the past century, there is still much to learn about this fascinating condition.


Diseasemaps
7 answers
I don't know much about tbe history but my understanding is they found out about it from dogs they have narcolepsy

Posted Jun 12, 2017 by Faith 2000
https://med.stanford.edu/narcolepsy.html

Posted Jun 13, 2017 by Karen 2000
Narcolepsy is the English form of the French word narcolepsie, and was first used in 1880 by the French physician Jean-Baptiste-Edouard Gélineau (1828-1906)

Since the 1960's there has been a dramatic increase in research in narcolepsy and sleep medicine associated with expansion of sleep centres in many countries.

Posted Aug 17, 2017 by Laurie 2271
Narcolepsy was first described in 1877 by a German physician. The name was coined in 1880 by a French physician. Narcolepsys location in hypothalamus was identified. Orexin was identified in 1998.

Posted Oct 6, 2017 by Aaron 2811
Well first God created the world.....

Posted Nov 21, 2017 by sns 1510
According to Stanford Medicine Center for Narcolepsy - History of Narcolepsy (http://med.stanford.edu/narcolepsy/narcolepsyhistory.html), narcolepsy with cataplexy was discovered in the 1870s in Germany by Westphal and Fisher, but wasn't specifically named. It wasn't until 1880 in France that the disorder was named narcolepsy by Gelineau. 1902 was when cataplexy was named by Loewenfeld.

Posted May 21, 2018 by chazer25 3050

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