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A Dictionary of Neurological SignsY

A Dictionary of Neurological Signs: Y [Yawning is an arousal reflex thought to be generated in the brainstem reticular formation to counteract brain hypoxia; it may precede vasovagal syncope. Excessive or pathological yawning (chasm) is compulsive, repetitive yawning not triggered by physiological stimuli such as fatigue or boredom.] http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png

A Dictionary of Neurological SignsY

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Publisher
Springer New York
Copyright
© Springer Science+Business Media, LLC 2011
ISBN
978-1-4419-7094-7
Pages
379 –380
DOI
10.1007/978-1-4419-7095-4_25
Publisher site
See Chapter on Publisher Site

Abstract

[Yawning is an arousal reflex thought to be generated in the brainstem reticular formation to counteract brain hypoxia; it may precede vasovagal syncope. Excessive or pathological yawning (chasm) is compulsive, repetitive yawning not triggered by physiological stimuli such as fatigue or boredom.]

Published: Oct 15, 2010

Keywords: Amyotrophic Lateral Sclerosis; Progressive Supranuclear Palsy; Motor Neurone; Vasovagal Syncope; Cross Reference

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