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Exploding head syndrome (EHS) is an abnormal sensory perception during sleep in which a person experiences auditory hallucinations that are loud and of short duration when falling asleep or waking up. [2] [4] The noise may be frightening, typically occurs only occasionally, and is not a serious health concern. [2]
A reflex from hearing a sudden loud noise will happen in the primary acoustic startle reflex pathway consisting of three main central synapses, or signals that travel through the brain. First, there is a synapse from the auditory nerve fibers in the ear to the cochlear root neurons (CRN).
A setback is a temporary exacerbation of symptoms, a worsening of the perception of loudness or pain from sound, often due to a particular noise exposure. [12] Setback prevention is an important focus among those affected. Efforts to avoid setbacks commonly include using hearing protection and avoiding loud noises. [17]
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The tympanic reflex helps prevent damage to the inner ear by muffling the transmission of low frequency vibrations from the tympanic membrane to the oval window. The reflex has a response time of 40 milliseconds, not fast enough to protect the ear from sudden loud noises such as an explosion or gunshot.
Certain groups are advised to wear ear plugs to avoid the risk of tinnitus, such as that caused by overexposure to loud noises like wind noise for motorcycle riders. [92] This includes military personnel, [ 39 ] musicians, [ 93 ] DJs, [ 94 ] agricultural workers, [ 95 ] and construction workers [ 96 ] as people in those occupations are at a ...
On the other hand, some high frequencies or impulse noise (i.e., sudden loud sounds) are more challenging to counteract and may still get through, depending on the type of technology used in the ...
The sudden increased air pressure in the external auditory canal produced this traumatic blast perforation. Acoustic trauma is the sustainment of an injury to the eardrum as a result of a very loud noise. Its scope usually covers loud noises with a short duration, such as an explosion, gunshot or a burst of loud