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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. The syndrome is related to cystic lesions and swelling of the third ventricle in the ...
Rhythmic movement disorder. 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]
The extent of the hyperkinesia exhibited in the disease can vary from solely the little finger to the entire body, resembling purposeful movements but occurring involuntarily. In children, rigidity and seizures are also symptoms. [11] Other hyperkinetic symptoms include: Head turning to shift eye position; Facial movements, including grimaces
Congenital mirror movement disorder(CMM disorder) is a rare genetic neurological disorder which is characterized by mirrored movement, sometimes referred to as associated or synkinetic movement, most often in the upper extremity of the body. [ 1 ][ 2 ] These movements are voluntary intentional movements on one, ipsilateral, side of the body ...
Movement disorders are clinical syndromes with either an excess of movement or a paucity of voluntary and involuntary movements, unrelated to weakness or spasticity. [1] Movement disorders present with extrapyramidal symptoms and are caused by basal ganglia disease. [2] Movement disorders are conventionally divided into two major categories ...
Stereotypic movement disorder (SMD) is a motor disorder with onset in childhood involving restrictive and/or repetitive, nonfunctional motor behavior (e.g., hand waving or head banging), that markedly interferes with normal activities or results in bodily injury. [1] To be classified as SMD, the behavior in question must not be due to the ...
Dyskinesia. Dyskinesia refers to a category of movement disorders that are characterized by involuntary muscle movements, [1] including movements similar to tics or chorea and diminished voluntary movements. [2] Dyskinesia can be anything from a slight tremor of the hands to an uncontrollable movement of the upper body or lower extremities.
Echopraxia is the involuntary mirroring of an observed action. Imitated actions can range from simple motor tasks such as picking up a phone to violent actions such as hitting another person. [citation needed] Imitative learning and emulation of physical and verbal actions are critical to early development (up to the age of two or three), but ...