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Scientists know that ringing in the ears, or tinnitus, is associated with hearing loss, aging, head or neck injuries, and exposure to loud noises. But what’s actually happening in the body to ...
Though the pathophysiology of tinnitus is not known, noise exposure can be a contributing factor, therefore tinnitus can be associated with hearing loss, generated by the cochlea and central nervous system (CNS). High frequency hearing loss causes a high pitched tinnitus and low frequency hearing loss causes a roaring tinnitus. [19] Noise ...
If not prevented, hearing loss can be managed through assistive devices and communication strategies. The largest burden of NIHL has been through occupational exposures; however, noise-induced hearing loss can also be due to unsafe recreational, residential, social and military service-related noise exposures. [5]
The ascending auditory pathways are damaged, causing a loss of perception of sound. Inner ear functions, however, remains intact. Cortical deafness is most often caused by stroke, but can also result from brain injury or birth defects. [4] [5] More specifically, a common cause is bilateral embolic stroke to the area of Heschl's gyri. [6]
The symptoms of vestibulocerebellar syndrome vary among patients but are typically a unique combination of ocular abnormalities including nystagmus, poor or absent smooth pursuit (ability of the eyes to follow a moving object), strabismus (misalignment of the eyes), diplopia (double vision), oscillopsia (the sensation that stationary objects in the visual field are oscillating) and abnormal ...
Changes in the eye can help predict other health concerns in the body, such as diabetes and high blood pressure. A new study has identified a set of 29 vascular health indicators on the retina ...
The cerebellopontine angle syndrome is a distinct neurological syndrome of deficits that can arise due to the closeness of the cerebellopontine angle to specific cranial nerves. [1] Indications include unilateral hearing loss (85%), speech impediments, disequilibrium, tremors or other loss of motor control.
Hearing loss can be inherited. More than 40 genes have been implicated in the cause of deafness. [2] There are 300 syndromes with related hearing loss, and each syndrome may have causative genes. [citation needed] Recessive, dominant, X-linked, or mitochondrial genetic mutations can affect the structure or metabolism of the inner ear.