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Smith–Magenis syndrome (SMS), also known as 17p- syndrome, is a microdeletion syndrome characterized by an abnormality in the short (p) arm of chromosome 17. [1] It has features including intellectual disability, facial abnormalities, difficulty sleeping, and numerous behavioral problems such as self-harm.
Hyperactivity has long been part of the human condition, although hyperactive behaviour has not always been seen as problematic. [1] [page needed]The terminology used to describe the symptoms of attention deficit hyperactivity disorder, or ADHD, has gone through many changes over history, including "minimal brain damage", "minimal brain dysfunction", "learning/behavioral disabilities" and ...
Tardive dyskinesia (TD) is an iatrogenic disorder that results in involuntary repetitive body movements, which may include grimacing, sticking out the tongue or smacking the lips, [1] which occurs following treatment with medication. [6] [7] Additional motor symptoms include chorea or athetosis. [1]
Infants may use pacifiers or their thumb or fingers to soothe themselves Newborn baby thumb sucking A bonnet macaque thumb sucking. Thumb sucking is a behavior found in humans, chimpanzees, captive ring-tailed lemurs, [1] and other primates. [2]
Research on eating disorders from the 16th to the 20th centuries suggests that during that time in history, pica was regarded more as a symptom of other disorders rather than its own specific disorder. Even today, what could be classified as pica behavior is a normative practice in some cultures as part of their beliefs, healing methods, or ...
Formication, a type of tactile hallucination, is the feeling of imaginary insects or spiders on the skin.. Tactile hallucination is the false perception of tactile sensory input that creates a hallucinatory sensation of physical contact with an imaginary object. [1]
A mediaeval treatment for lice was an ointment made from pork grease, incense, lead, and aloe. [ 40 ] Robert Hooke 's 1667 book, Micrographia: or some physiological descriptions of minute bodies made by magnifying glasses with observations and Inquiries thereupon , illustrated a human louse, drawn as seen down an early microscope .