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This causes an unpleasant fullness feeling in the middle ear and alters the auditory perception. Complaints seem to include muffled hearing and autophony. In addition, patulous Eustachian tube generally feels dry with no clogged feeling or sinus pressure. Patients hear their own voice or its echo from inside.
For example, very curvy ear canals, narrow ear canals, or surgical ears are more prone to earwax buildup. When wax builds up, it causes muffled hearing, tinnitus, or aural fullness (plugged-up ...
In these, people more often hear snippets of songs that they know, or the music they hear may be original. They may occur in mentally sound people and with no known cause. [5] Other types of auditory hallucinations include exploding head syndrome and musical ear syndrome. In the latter, people will hear music playing in their mind, usually ...
A patulous Eustachian tube is a rare condition in which the Eustachian tube remains intermittently open, causing an echoing sound of the person's own heartbeat, breathing, and speech. This may be temporarily relieved by holding the head upside down.
A woman with hypertension presented to the clinic with a 4-day history of abnormal sounds in her ear. On examination, a small spider was seen moving within the external auditory canal of the left ear.
In many people with hyperacusis, an increased activity develops in the tensor tympani muscle in the middle ear as part of the startle response to some sounds. This lowered reflex threshold for tensor tympani contraction is activated by the perception/anticipation of loud sound, and is called tonic tensor tympani syndrome (TTTS). In some people ...
When TTTS occurs, the middle ear is contracting involuntarily, which produces an audible sensation called the middle ear myoclonus. When the tensor tympani muscle experiences a spasm without the provocation of loud sounds, it's called the acoustic reflex, which is apart of a normal auditory system. [9] However, this reaction can be caused by ...
This is where these sensitive in-ear microphones come into play. By analyzing these vibrations, the researchers want to develop algorithms that will help them differentiate physiological signals ...
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