“Author” refers to any designer, engineer, programmer, technical writer or other person who contributed to the Font Software. “Modified Version” refers to any derivative made by adding to, deleting, or substituting-in part or in whole-any of the components of the Original Version, by changing formats or by porting the Font Software to a new environment. “Original Version” refers to the collection of Font Software components as distributed by the Copyright Holder(s). “Reserved Font Name” refers to any names specified as such after the copyright statement(s). This may include source files, build scripts and documentation. “Font Software” refers to the set of files released by the Copyright Holder(s) under this license and clearly marked as such. The requirement for fonts to remain under this license does not apply to any document created using the fonts or their derivatives. The fonts and derivatives, however, cannot be released under any other type of license. The fonts, including any derivative works, can be bundled, embedded, redistributed and/or sold with any software provided that any reserved names are not used by derivative works. The OFL allows the licensed fonts to be used, studied, modified and redistributed freely as long as they are not sold by themselves. The goals of the Open Font License (OFL) are to stimulate worldwide development of collaborative font projects, to support the font creation efforts of academic and linguistic communities, and to provide a free and open framework in which fonts may be shared and improved in partnership with others. SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007 This license is copied below, and is also available with a FAQ at: This Font Software is licensed under the SIL Open Font License, Version 1.1. Essential tremor amplitude modulation by median nerve stimulation. Wearable peripheral electrical stimulation devices for the reduction of essential tremor: A review. International Essential Tremor Foundation. Journal of Neurology, Neurosurgery and Psychiatry. Comparison between deep brain stimulation and magnetic resonance-guided focused ultrasound in the treatment of essential tremor: A systematic review and pooled analysis of functional outcomes. In: Bradley and Daroff's Neurology in Clinical Practice. Parkinson disease and other movement disorders. National Institute of Neurological Disorders and Stroke. Talk, if the voice box or tongue is affected.If the tremors become severe, it might be difficult to: Essential tremor is more common in people age 40 and older.Įssential tremor isn't life-threatening, but symptoms often worsen over time. An altered gene from just one parent is needed to pass on the condition.Īnyone who has a parent with an altered gene for essential tremor has a 50% chance of developing the condition. The inherited variety of essential tremor, known as familial tremor, is an autosomal dominant disorder. Known risk factors for essential tremor include:Īltered gene. The person has a 50% chance of having an unaffected child. A person with an autosomal dominant condition - in this example, the father - has a 50% chance of having an affected child with one changed gene. Only one changed gene is needed to be affected by this type of condition. It's located on one of the nonsex chromosomes, called autosomes. In an autosomal dominant disorder, the changed gene is a dominant gene. Parkinson's disease tremors usually start in the hands, and can affect the legs, chin and other parts of the body. Essential tremor mainly involves the hands, head and voice. However, people with essential tremor sometimes develop other neurological signs and symptoms, such as an unsteady walk. Essential tremor doesn't cause other health problems, but Parkinson's disease is associated with stooped posture, slow movement and dragging the feet when walking. Tremors from Parkinson's disease are most noticeable when the hands are at the sides of the body or resting in the lap. Essential tremor of the hands usually occurs when using the hands. Many people associate tremors with Parkinson's disease, but the two conditions differ in key ways: May be aggravated by emotional stress, fatigue, caffeine or temperature extremes.Can include a "yes-yes" or "no-no" motion of the head.Usually occur in the hands first, affecting one hand or both hands.Begin gradually, and usually are more noticeable on one side of the body.
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