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Cataplexy is the first symptom to appear in about 10% of cases of narcolepsy, [2] ... A phenomenon of REM sleep, muscular paralysis, occurs at an inappropriate time.
Catalepsy is a symptom of certain nervous disorders or conditions such as Parkinson's disease and epilepsy.It is also a characteristic symptom of cocaine withdrawal, as well as one of the features of catatonia.
Catatonia is a complex syndrome, most commonly seen in people with underlying mood (e.g major depressive disorder) or psychotic disorders (e.g schizophrenia). [2] [3] People with catatonia have abnormal movement and behaviors, which vary from person to person and fluctuate in intensity within a single episode. [4]
Recovery from the condition can take up to 18 months, the National Institute of Health says, but so far, Tarver — who has had multiple rounds of treatment — “has not yet shown improvement.”
Orexin (/ ɒ ˈ r ɛ k s ɪ n /), also known as hypocretin, is a neuropeptide that regulates arousal, wakefulness, and appetite. [5] It exists in the forms of orexin-A and orexin-B.The most common form of narcolepsy, type 1, in which the individual experiences brief losses of muscle tone ("drop attacks" or cataplexy), is caused by a lack of orexin in the brain due to destruction of the cells ...
Pediatric narcolepsy cases are cases when patients are diagnosed or experience symptoms onset for narcolepsy before the age of 18. Of patients who obtain a formal diagnosis for narcolepsy, more than 50% report first experiencing symptoms of narcolepsy more than 10 years before their formal diagnosis, with an average age of symptom onset being at age 15 and symptom onset most likely to occur ...
SWS is characterised by moderate muscle tone, slow or absent eye movement, and lack of genital activity. Slow-wave sleep is considered important for memory consolidation, declarative memory, and the recovery of the brain from daily activities. Prior to 2007, the term SWS referred to both the third and fourth stages of NREM.
Also, a radionuclide cerebral blood flow scan that shows complete absence of intracranial blood flow must be considered with other exams – temporary swelling of the brain, particularly within the first 72 hours, can lead to a false positive test on a patient that may recover with more time.