نتایج جستجو برای: semicircular canals
تعداد نتایج: 10842 فیلتر نتایج به سال:
OBJECTIVES To identify clinical features and causes of recurrent or persistent benign paroxysmal positional vertigo (BPPV) and to analyze the effectiveness of frequently repeated canalith repositioning procedures (CRPs). STUDY DESIGN Case series with chart review. SETTING Academic university hospital. METHODS The authors retrospectively reviewed the clinical records of 120 patients who we...
The vestibular semicircular canals respond to angular acceleration that is integrated to angular velocity by the biofluid mechanics of the canals and is the primary origin of afferent responses encoding velocity. Surprisingly, some afferents actually report angular acceleration. Our data indicate that hair-cell/afferent synapses introduce a mathematical derivative in these afferents that partia...
Background Wernicke's encephalopathy (WE), a metabolic disorder due to thiamine deficiency, manifests with various neurological symptoms and signs. It has been known as a cause of vestibular dysfunction. Preliminary reports have proposed predominant involvement of the horizontal semicircular canals (HSCs). Objective To better characterize the pattern of vestibular impairment in patients with ...
This paper presents a comprehensive comparative analysis of the Neanderthal bony labyrinth, a structure located inside the petrous temporal bone. Fifteen Neanderthal specimens are compared with a Holocene human sample, as well as with a small number of European Middle Pleistocene hominins, and early anatomically modern and European Upper Palaeolithic humans. Compared with Holocene humans the bo...
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