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Under normal conditions, each body part (such as individual fingers) occupies a distinct area on these cortical maps. In dystonia, these maps lose their distinct borders and overlap occurs. [ 6 ] Exploration of this initially involved over-training particular finger movements in non-human primates, which resulted in the development of focal ...
Spasmodic dysphonia, also known as laryngeal dystonia, is a disorder in which the muscles that generate a person's voice go into periods of spasm. [1] [2] This results in breaks or interruptions in the voice, often every few sentences, which can make a person difficult to understand. [1]
Dystonia is often intensified or exacerbated by physical activity, and symptoms may progress into adjacent muscles. [4] The disorder may be hereditary or caused by other factors such as birth-related or other physical trauma, infection, poisoning (e.g., lead poisoning) or reaction to pharmaceutical drugs, particularly neuroleptics, [3] or stress.
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
“Usually, if you warm your fingers or keep them dry the wrinkles will go away,” explains Debra Jaliman, M.D., a board-certified cosmetic dermatologist. Dr. Zeichner suggests warming the ...
Hyperventilation syndrome (HVS), also known as chronic hyperventilation syndrome (CHVS), dysfunctional breathing hyperventilation syndrome, cryptotetany, [1] [2] spasmophilia, [3] [4] [5] latent tetany, [4] [5] and central neuronal hyper excitability syndrome (NHS), [3] is a respiratory disorder, psychologically or physiologically based, involving breathing too deeply or too rapidly ...
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Typically, the symptoms—spasms and contractions of the eyelids—tend to worsen when the patient relaxes but abate during sleep. [18] The symptoms may be temporarily alleviated by sensory tricks (geste antagoniste) including stretching or rubbing the eyebrows, eyelids, or forehead, [ 19 ] and singing, talking, or humming. [ 20 ]