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OBJECTIVE The purpose of this study was to determine the value, based on true-positive and false-positive rates, of various auditory brain stem response (ABR) indices in discriminating patients with brain stem lesions from patients with cochlear lesions. DESIGN A factorial design was used in this retrospective study. Receiver operating characteristics(More)
Our research experience with five centrally deaf patients showed that damage to various anatomical sites could result in central deafness. This finding was contrary to the commonly held notion that both Heschl's gyri must be severely damaged to yield central deafness. To discover whether lesions in various brain areas could cause central deafness, we(More)
Conventional and maximum length sequence (MLS) middle latency response (MLR) procedures were compared across several parameters for control patients and patients with central nervous system lesions. There were similar findings for both populations and both types of MLR for the absolute latencies of Na and Pa waves. Middle latency waves were absent more(More)
BACKGROUND In a randomized trial of AN1792 vaccine against A beta in Alzheimer disease (AD), only 20% of vaccine recipients had an anti-AN1792 antibody response. The trialists sought to estimate the efficacy of the vaccine among antibody responders by comparing outcomes among antibody responders in the vaccine group with outcomes among all placebo(More)
Tremor characteristics-amplitude and frequency components-are primary quantitative clinical factors for diagnosis and monitoring of tremors. Few studies have investigated how different patient's conditions affect tremor frequency characteristics in Parkinson's disease (PD). Here, we analyzed tremor characteristics under resting-state and stress-state(More)
INTRODUCTION Defective visual information processing contributes to visual hallucination in PD, for which "top-down" and "bottom-up" impairment are suggested mechanisms. This study was aimed to investigate macro- and microstructural neural changes in afferent visual pathways in relation to visual hallucination in nondemented PD patients. METHODS This(More)
INTRODUCTION SCA17 is an autosomal dominant cerebellar ataxia with expansion of the CAG/CAA trinucleotide repeats in the TATA-binding protein (TBP) gene. SCA17 can have various clinical presentations including parkinsonism, ataxia, chorea and dystonia. SCA17 is diagnosed by detecting the expanded CAG repeats in the TBP gene; however, in the literature,(More)
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