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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]
Television has traditionally been the most common source of seizures in PSE. For people with PSE, it is especially hazardous to view television in a dark room, at close range, or when the television is out of adjustment and is showing a rapidly flickering image (as when the horizontal hold is incorrectly adjusted on analog television sets).
Idiopathic craniofacial erythema is a medical condition characterized by uncontrollable and frequently unprovoked facial blushing.. Blushing can occur at any time and is frequently triggered by even mundane events, such as talking to friends, paying for goods in a shop, asking for directions or even simply making eye contact with another person.
However, the appearance of uncontrollable emotions is commonly associated with many additional neurological disorders such as attention deficit hyperactivity disorder, [5] Parkinson's disease, [6] cerebral palsy, [7] autism, [8] epilepsy, [9] and migraines. [10]
Flicker vertigo, sometimes called the Bucha effect, is "an imbalance in brain-cell activity caused by exposure to low-frequency flickering (or flashing) of a relatively bright light."
A gelastic seizure, also known as "gelastic epilepsy", is a rare type of seizure that involves a sudden burst of energy, usually in the form of laughing. [1] This syndrome usually occurs for no obvious reason and is uncontrollable.
Oculogyric crisis (OGC) is a rare sudden, paroxysmal, dystonic reaction that may manifest in response to specific drugs, particularly neuroleptics, or medical conditions, such as movement disorders.
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 dis