Yoichi Takahashi

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We present a case with walking-induced equinovarus caused by dystonic contraction of the left ankle. This abnormal motor behavior occurred only when the patient walked, more specifically when the left leg was at the end of the swing phase. Surface electromyography confirmed continuous abnormal discharges in the left gastrocnemius muscles during the swing(More)
The aim of this study was to evaluate tri-ethylene glycol mono-methacrylate (TEGMA) in terms of dermatological allergic reaction using a Guinea Pig Maximization Test. Skin reaction was evaluated according to the criteria of International Contact Dermatitis Research Group. TEGMA, as a constituent in new primers, has been reported to contribute to a priming(More)
Due to the wide spread use of smart phones and PCs, people can access information everywhere in everyday life. However, there are very few methods to access content within an bathing environment. Some people carry smart phones into a bathroom but it is unnatural to be holding a device during bathing. This paper proposes an interactive water surface display(More)
PURPOSE We analyzed the symmetry and pointedness of the posterior segment of highly myopic eyes. METHODS We studied 234 eyes of 117 patients with bilateral high myopia (refractive error ≤-8.00 diopters [D]) and 40 eyes of 20 patients with emmetropia (refractive error between -1.0 and +1.0 D). Volume renderings of high-resolution magnetic resonance (MR)(More)
Information is becoming accessible everywhere in everyday life due of the spread of smart phones and portable personal computers; however are very few methods in accessing contents in a bathing environment. Sometimes smart phones can be carried into a bathroom but it is unnatural to be holding a device at during bathing, so a suitable technique for(More)
The AquaTop Display is system that uses the projection of images onto cloudy water. This system allows the users limbs to freely move through, under and over the projection surface. As the projection medium is fluid, we propose new interaction methods specific to this medium by using a Kinect Depth Sensor. Scooping up water, protruding fingers out from(More)
A 75-year-old woman was admitted to our hospital because of sudden onset of paresis in her left arm and face. She had untreated hypertension and hyperlipidemia. When she came back home after playing with children in the park, she felt weakness in her left hand. On admission, physical examination revealed that her blood pressure was very high (200/102 mmHg).(More)
Stable and easy-to-handle zwitterions containing carbanion and pyridinium moieties were synthesized, and their structural studies by both X-ray crystallography and theoretical methods revealed the stereoelectronic effect in the zwitterionic 'C(-)-C-N(+)' system.