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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 ...
Celine Dion's diagnosis with stiff-person syndrome has called attention to the rare disorder, which causes muscle spams and rigidity in the torso and limbs.
Many patients with stiff person syndrome experience muscle cramping, spasms and stiffness constantly, but certain movements or emotions can trigger "a complete, whole-body spasm," Piquet, who is a ...
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.
Cadaveric spasm can be distinguished from rigor mortis as the former is a stronger stiffening of the muscles that cannot be easily undone, while rigor mortis can. [ 2 ] The cause is unknown but is usually associated with violent deaths under extreme physical circumstances with intense emotion , such as the circumstances associated with death ...
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.
Some of those laws go into effect on Jan. 1 including: AB 1483 strengthens a rule against applying for more than one handgun in a 30-day period. The bill removes an exemption for a private party ...
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 ...