نتایج جستجو برای: auditory nerve conduction
تعداد نتایج: 264008 فیلتر نتایج به سال:
A previously unrecognized neuropathy was identified in Bulgarian gypsies, and was designated hereditary motor and sensory neuropathy-Lom (HMSNL) after the town where the initial cases were found. It was subsequently identified in other gypsy communities. The disorder, which is of autosomal recessive inheritance, was mapped to chromosome 8q24. It begins consistently in the first decade of life w...
In two newborn infants who had experienced severe asphyxial insults, and who showed noticeable signs of brainstem dysfunction, all components of the auditory brainstem response except the eighth nerve potential became undetectable. Both babies survived, their brainstem responses returned, and one of them is judged to be developmentally normal at the age of 18 months. Clinical signs of brainstem...
Carpal tunnel syndrome (CTS) is the most well-known and frequent form of median nerve entrapment, and accounts for 90% of all entrapment neuropathies. Entrapment neuropathies of the ulnar nerve are relatively common with ulnar neuropathy at the elbow more prevalent than ulnar neuropathy at the wrist. The diagnosis of ulnar neuropathy at the elbow is usually confirmed in a relatively straight – ...
The increasing presence of low intensity uniform magnetic fields in different environments such as factories, industries, hospitals, in transport and electrical devices and medical application has become so important. Therefore, conducting an investigation on the effects of magnetic fields on properties and revenues of human body’s different tissues, especially nerve tissue, seems necessary...
Electroneurographic (ENeG) and evoked potential (EP) studies were regularly performed on 11 printing workers with n-hexane polyneuropathy after cessation of exposure. At the initial examination, the ENeG studies simulated a demyelinative process. Further slowing of nerve conduction velocity, or further decreasing of action potential amplitude, or both in the follow up ENeG study were found in a...
carpal tunnel syndrome (cts) is the most well-known and frequent form of median nerve entrapment, and accounts for 90% of all entrapment neuropathies. entrapment neuropathies of the ulnar nerve are relatively common with ulnar neuropathy at the elbow more prevalent than ulnar neuropathy at the wrist. the diagnosis of ulnar neuropathy at the elbow is usually confirmed in a relatively straight – ...
This paper reports lead-induced changes in neuropsychological measures and behavioral performance measures in monkeys and children. Monkeys were pre- and postnatally exposed to lead via the diet. Blood lead levels at the time of testing were 9.3, 40.3, and 55.7 micrograms/dL in controls, and animals exposed to 350 ppm or 600 ppm lead acetate, respectively. Flash-evoked and brainstem auditory-ev...
The auditory neuropathy is a condition which there is a dyssynchrony in the nerve conduction of the auditory nerve fibers. There is no evidence about the relationship between patients with clinical auditory neuropathy spectrum disorder and mutations in GJB2 gene. There are only two studies about this topic in the medical literature. Connexin 26 (GJB2 gene) mutations are common causes of genetic...
Auditory neuropathy is a disorder where the transmission of auditory signals from inner ear to the auditory nerve and auditory brainstem is distorted. Auditory neuropathy is not a homogenous disorder, rather, a collection of auditory abnormalities with distinctly different sites of dysfunction, diverse etiologies and causes, variations in patterns of auditory findings, and in most cases, corres...
A family with recessively inherited ataxia and dystonic episodes that responded to antiepileptic medication is described. The onset was in the first decade. Clinically the patients have gait and limb ataxia, nystagmus and brisk reflexes, with abnormal visual, auditory and somatosensory evoked responses, but normal nerve conduction velocities and electromyography. Their intelligence is borderlin...
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