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A new technique, the laser-doppler flowmetry. has been used intraoperatively to measure blood flow responses in the normal brain tissue, the traumatic brain tissue and so on. The flow estimate...
PURPOSE: The aim of this experimental study was to evaluate whether the acoustic radiation force (ARF) is a potential source of twinkling artifacts in color Doppler images.
METHODS: Color Doppler images...
BACKGROUND/AIMS: Clinical validation is required to determine whether Doppler measurements are comparable before and after administering ultrasound contrast agent (USCA). The purpose of this study is to explore whether the...
BACKGROUND AND OBJECTIVES: P300 has been studied with a variety of stimuli. However, the nature of P300 has not been investigated for deviant stimuli which change its characteristics from standard...