Two small muscles, the tensor tympani and stapedius, also help modulate noise.
2.
Some individuals can voluntarily produce this rumbling sound by contracting the tensor tympani muscle of the middle ear.
3.
When presented with a high-intensity sound stimulus, the stapedius and tensor tympani muscles of the ossicles contract.
4.
Also located in the middle ear are the stapedius and tensor tympani muscles which protect the hearing mechanism through a stiffening reflex.
5.
With the exception of the tensor tympani, all these muscles are involved in biting, chewing and swallowing and all have bilateral cortical representation.
6.
A certain degree of top-down control is present at the middle ear level primarily through two muscles present in this anatomical region : the tensor tympani and the stapedius.
7.
The acoustic reflex normally occurs only at relatively high intensities; contraction of middle ear muscles for quieter sounds can indicate ear dysfunction ( e . g . tonic tensor tympani syndrome-TTTS ).
8.
I want to add the article Stapedius to the template " Muscles of the head " ( shown on this page : Tensor tympani . ) How do I do that, or who do I contact?
9.
However, the extent of the movements of the ossicles is controlled ( and constricted ) by two muscles attached to them ( the " tensor tympani " and the " stapedius " ).
10.
The stapedius stiffens the ossicular chain by pulling the stapes ( stirrup ) of the middle ear away from the oval window of the cochlea and the tensor tympani muscle stiffens the ossicular chain by loading the tympanic membrane when it pulls the malleus ( hammer ) in toward the middle ear.
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