Search results
Results from the WOW.Com Content Network
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]
Generalized 3 Hz spike and wave discharges in a child with childhood absence epilepsy. Epilepsy is a neurological condition of recurrent episodes of unprovoked epileptic seizures. A seizure is an abnormal neuronal brain activity that can cause intellectual, emotional, and social consequences. Epilepsy affects children and adults of all ages and ...
Nodding disease, also known as nodding syndrome, is a mentally and physically disabling disease that affects children aged 3 and above, continuing into adulthood. [2] It was first described in 1962 in secluded mountainous regions of Tanzania, with sporadic outbreaks in the decades since in South Sudan, Uganda, and again in Sudan with its largest outbreak from 2016 to present.
De Musset's sign is a type of head tremor. [1][2] This symptom consists in rhythmic nodding or bobbing of the head in synchrony with the beating of the heart, in general as a result of aortic regurgitation whereby blood from the aorta regurgitates into the left ventricle due to a defect in the aortic valve. [3][4] The nodding is an indication ...
Nod (gesture) A depiction of a person nodding. A nod of the head is a gesture in which the head is tilted in alternating up and down arcs along the sagittal plane. In many cultures, it is most commonly, but not universally, used to indicate agreement, acceptance, or acknowledgement.
Four motor symptoms are considered cardinal signs in PD: slowness of movement (bradykinesia), tremor, rigidity, and postural instability. [ 1 ] Typical for PD is an initial asymmetric distribution of these symptoms, where in the course of the disease, a gradual progression to bilateral symptoms develops, although some asymmetry usually persists.
Myoclonus. Myoclonus is a brief, involuntary, irregular (lacking rhythm) twitching of a muscle, a joint, or a group of muscles, different from clonus, which is rhythmic or regular. Myoclonus (myo- "muscle", clonus "spasm") describes a medical sign and, generally, is not a diagnosis of a disease. It belongs to the hyperkinetic movement disorders ...