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Tachycardia-induced cardiomyopathy (TIC) is a disease where prolonged tachycardia (a fast heart rate) or arrhythmia (an irregular heart rhythm) causes an impairment of the myocardium (heart muscle), which can result in heart failure. [1][5] People with TIC may have symptoms associated with heart failure (e.g. shortness of breath or ankle ...
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. The syndrome is related to cystic lesions and swelling of the third ventricle in the ...
Palilalia (from the Greek πάλιν (pálin) meaning "again" and λαλιά (laliá) meaning "speech" or "to talk"), [ 1 ] a complex tic, is a language disorder characterized by the involuntary repetition of syllables, words, or phrases. It has features resembling other complex tics such as echolalia or coprolalia, but, unlike other aphasias ...
A tic is a sudden and repetitive motor movement or vocalization that is not rhythmic and involves discrete muscle groups. [ 1 ][ 2 ][ 3 ] It is typically brief and may resemble a normal behavioral characteristic or gesture. [ 4 ] Tics can be invisible to the observer, such as abdominal tensing or toe crunching.
Tourette syndrome (abbreviated as Tourette's or TS) is an inherited neurodevelopmental disorder that begins in childhood or adolescence, characterized by the presence of multiple motor tics and at least one phonic tic, which characteristically wax and wane. Tourette's syndrome occurs along a spectrum of tic disorders, which includes transient ...
Echolalia and echopraxia are distinguishing tics of Tourette syndrome (TS); [1] the echolalic repetitions of individuals with TS are mainly echoes from within their own "tic repertoire". [1] Evidence points to a healthy mirror neuron system (MNS), but "inadequate imitation-control mechanism, which make them vulnerable to interferences".
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The left and right eye see different, seemingly random, dot patterns; a person viewing through both eyes sees a combination of both left and right visual field disturbances. While seeing the phenomenon, lightly pressing inward on the sides of the eyeballs at the lateral canthus causes the movement to stop being fluid and the dots to move only ...