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Bell's palsy can trigger an increased sensitivity to sound known as hyperacusis. [6] The cause of Bell's palsy is unknown [1] and it can occur at any age. [4] Risk factors include diabetes, a recent upper respiratory tract infection, and pregnancy. [1] [7] It results from a dysfunction of cranial nerve VII (the facial nerve). [1]
The facial nerve, also known as the seventh cranial nerve, cranial nerve VII, or simply CN VII, is a cranial nerve that emerges from the pons of the brainstem, controls the muscles of facial expression, and functions in the conveyance of taste sensations from the anterior two-thirds of the tongue.
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.
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 ...
Facial synkinesis is a common sequela to Idiopathic Facial Nerve Paralysis, also called Bell's Palsy or Facial Palsy. [2] Bell's Palsy, which is thought to occur due to a viral reactivation which can lead (through unknown mechanisms) to diffuse axon demyelination and degeneration of the seventh cranial nerve, results in a hemifacial paralysis due to non-functionality of the nerve.
It is caused when the nerve that controls the facial muscles is swollen, inflamed, or compressed; what causes that is unknown. ... The NINDS says some drugs can help treat Bell's Palsy. Jolie says ...
Tiffany Chen revealed Bell’s palsy diagnosis after giving birth to daughter with Robert De Niro. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways to reach ...
Central facial palsy is the paralysis of the lower half of one side of the face. This condition is often caused by a stroke. This condition is often the result of damage of the upper motor neurons of the facial nerve. The facial motor nucleus contains ventral and dorsal areas that have lower motor neurons that supply the upper and lower face ...
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