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Bobble-head doll syndrome is a rare neurological movement disorder in which patients, usually children around age 3, begin to bob their head and shoulders forward and back, or sometimes side-to-side, involuntarily, in a manner reminiscent of a bobblehead doll.
Rhythmic movement disorder (RMD) is a neurological disorder characterized by repetitive movements of large muscle groups immediately before and during sleep often involving the head and neck. It was independently described first in 1905 by Zappert as jactatio capitis nocturna and by Cruchet as rhythmie du sommeil . [ 1 ]
According to one Centers for Disease Control and Prevention (CDC) study, among 74,571 adult respondents in 12 U.S. states, 35.3% reported <7 hours of sleep during a typical 24-hour period, 48.0% reported snoring, 37.9% reported unintentionally falling asleep during the day at least once in the preceding month, and 4.7% reported nodding off or ...
Here, experts explain why your head feels heavy. Plus, learn the causes for why your head might feel heavy, treatment options, and when to see a doctor. ... such as those who are older than age 65 ...
Dementia is a devastating condition that impacts up to 10 percent of older adults. And while there's no cure, getting diagnosed early can help patients get on a treatment plan and families prepare ...
Nodding to indicate "yes" is widespread, and appears in a large number of diverse cultural and linguistic groups. Areas in which nodding generally takes this meaning include the Indian subcontinent (note that the head bobble also shows agreement there), the Middle East, Southeast Asia, most of Europe, South America and North America. Nodding ...
Researchers studied over 100 volunteers between the ages of 25 and 75 who donated blood or provided biological samples every few months over nearly two years, assessing changes in over 135,000 ...
An example is the head shake to signify "no". [28] Also, in most cultures nodding your head signifies "Yes", which the book "The Definitive Book of Body Language" describes as submissive gesture to representing the conversation is going the direction of the person speaking.