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Blepharospasm is a fairly rare disease. Estimates of incidence and prevalence vary, tending to be higher in population studies than service studies, [5] likely because of delays in diagnosis. [4]
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.
Numerous conditions can cause a convulsion. [6] Convulsions can be caused by specific chemicals in the blood, as well as infections like meningitis or encephalitis. Other possibilities include celiac disease, [7] head trauma, stroke, or lack of oxygen to the brain. Sometimes the convulsion can be caused by genetic defects or brain tumors. [1]
Hemifacial spasm (HFS) is a rare neuromuscular disease characterized by irregular, involuntary muscle contractions on one side (hemi-) of the face (-facial). [1] The facial muscles are controlled by the facial nerve (seventh cranial nerve), which originates at the brainstem and exits the skull below the ear where it separates into five main branches.
A tremor is an involuntary, [1] somewhat rhythmic muscle contraction and relaxation involving oscillations or twitching movements of one or more body parts. It is the most common of all involuntary movements and can affect the hands, arms, eyes, face, head, vocal folds, trunk, and legs. Most tremors occur in the hands.
However, for the majority of seizures, the cause is unable to be determined. [1] Factors that may contribute to a seizure episode include head injuries, recent fever or infection, concurrent health conditions, and medication. There are many different symptoms to look for in epilepsy in children, of which can vary based on the seizure type.
The twitching of the right eye could be seen as a heightened sensitivity to energies and a potential awakening of one's intuition. Some believe that it signifies an opening of the third eye.
Causes painful defecation, constipation; may be complicated by encopresis or fecal incontinence. Cervical dystonia (spasmodic torticollis) muscles of the neck: Causes the head to rotate to one side, to pull down towards the chest, or back, or a combination of these postures. Blepharospasm: muscles around the eyes