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Scottish neurophysiologist Sir Charles Bell was the first author to describe the anatomical basis for facial paralysis, and has since served as the eponym for Bell's palsy. The Persian physician Muhammad ibn Zakariya al-Razi (865–925) detailed the first known description of peripheral and central facial palsy.
Bell's palsy is the most common cause of acute facial nerve paralysis. [ 3 ] [ 4 ] There is no known cause of Bell's palsy, [ 5 ] [ 6 ] although it has been associated with herpes simplex infection. Bell's palsy may develop over several days, and may last several months, in the majority of cases recovering spontaneously.
Another possible effect of Bell's palsy is Wallerian degeneration (WD), which may take days to become evident. Because of the slow-acting nature of this pathology, a patient may present healthy electroneuronography results despite a lack of volitional control of the facial muscles immediately following the onset of Bell's palsy.
With Bell's palsy, the nerve that allows muscles to control facial expression stops communicating with the brain - giving the appearance of half the face being frozen. It can't move, and so for ...
Bell’s palsy occurs when something inflames or injures a nerve that controls facial muscles. Symptoms come on rapidly over two to three days. They can include difficulty closing an eyelid, a ...
According to the Mayo Clinic, Bell's palsy causes weakness in muscles in one side of the face and is often a short-term condition that ultimately improves.. Thomas' revelation comes months after ...
A lesion on either the left or right side would affect both the anterior and posterior routes on that side because of their close physical proximity to one another. So, a lesion on the left side would inhibit muscle innervation from both the left posterior and anterior routes, thus paralyzing the whole left side of the face (Bell’s palsy ...
Bell’s palsy, also known as idiopathic facial paralysis, ... Drew Barrymore’s grind-and-brew coffee maker is equal parts attractive, affordable, and functional. See all deals. In Other News.
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