Mitsuki Ito

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The present study examined whether varying magnitude of force required to perform an isometric response influences fractionated reaction time in simple and choice conditions and whether reaction time and premotor time to initiate the response are shorter when force is selected freely by the subject than when it is selected by the experimenter. 20 subjects(More)
The local Shwartzman reaction occurred in germfree rabbits which had no natural antibody to endotoxin and none or only a very small amount of immunoglobulin G. From the results it was concluded that the presence of natural antibody to endotoxin is not a prerequisite of the production of the local Shwartzman reaction by bacterial endotoxin.
An ultrasensitive and fully automated bioluminescent enzyme immunoassay (BLEIA) was developed for the detection of norovirus (NV) capsid antigen. In the evaluation tests with recombinant virus-like particles, the BLEIA demonstrated broad reactivity against several NV genotypes (genotypes 1, 3, 4, 7, 8, and 12 in genogroup I [GI] and genotypes 1, 2, 3, 4, 5,(More)
The present study was conducted to test the hypothesis that response programming occurs when movements are only imagined. 12 subjects were required to react and produce the sequence of same or different force by squeezing a handle as quickly and accurately as possible after the two reaction signals which were separated by the interstimulus interval of 1(More)
In a previous study, Ito (1990) who used a rapid two-element force-production task, found that the simple reaction time (RT) to initiate the second element was shorter when a sequence was made up of homogeneous elements than when a sequence was made up of heterogeneous elements. The purpose of the present study was to replicate and extend the earlier(More)
Two experiments were conducted to examine the effects of number and similarity of sequenced elements on simple reaction time (RT). In Exp. 1, subjects were required to initiate and execute sequences of one to three homogeneous or heterogeneous force elements by squeezing the handle as quickly and accurately as possible. Simple RTs and premotor times(More)
We report a simple method for the control of electrical characteristics of planar-type metal-based single-electron transistors (SETs) using field-emission-induced electromigration. The advantages of this method are as follows: (1) the fabrication of SETs is achieved by only passing a field emission current through a nanogap and (2) the charging energy of(More)
The purpose of this study was to examine whether the similarity of R1 and R2 is a moderating variable in the psychological refractoriness effect. 10 subjects were required to react and produce the sequence of two homogeneous or heterogeneous peak forces as soon as possible after Stimulus 1 and 2 separated by variable interstimulus intervals. The(More)
The present study tested the hypothesis that the repetition effect occurs during response programming. The choice reaction-time to initiate the second of two responses was examined when two consecutive responses were the same or different in their kinematics and force characteristics and repeated for two different stimuli. 12 subjects were required to react(More)
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