Hemispheric asymmetry in hand preference of right-handers for passive vibrotactile perception: an fNIRS study
نویسندگان
چکیده
منابع مشابه
Switching handedness: fMRI study of hand motor control in right-handers, left-handers and converted left-handers.
The purpose of this study was to investigate the differences in the brain organization of motor control in left- and right-handers and to study whether early left-to-right handwriting switch changes the cortical representation of finger movements in the left and right hemispheres. Echo-planar MR imaging was performed in 52 subjects: consistent right-handers (RH), consistent left-handers (LH), a...
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BACKGROUND AND PURPOSE The most remarkable behavioral asymmetry is handedness. The preferred hand often has better performance, motor strength, nonpreferred hand. However, whether these components are associated with skill learning is not clear. METHODS We evaluated healthy right-handers by setting a series of motor-performance tasks including skill learning, grip strength, and speed. RESUL...
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The effect of unimanual practice of the non-preferred hand on manual asymmetry and manual preference for sequential finger movements was evaluated in right-handers before, immediately after, and 30 days following practice. The results demonstrate that unimanual practice induced a persistent shift of manual preference for the experimental task in most participants, but no significant correlation...
متن کاملCorrelation between hand preference and intraocular pressure from right- and left-eyes in right- and left-handers
To test whether there is a relationship between handedness and the intraocular pressure and there is a lateralization in the intraocular pressure, the intraocular pressures of the right- and left-eyes were compared in right- and left-handed students. The intraocular pressures were higher in the right-eye than in the left-eye in men, right-handers, and right-eyed subjects; there was no right-lef...
متن کاملAsymmetry for Symmetry: Right-Hemispheric Superiority in Bi-Dimensional Symmetry Perception
A right-hemispheric superiority has been shown for spatial symmetry perception with mono-dimensional stimuli (e.g., bisected lines). Nevertheless, the cerebral imbalance for bi-dimensional stimuli is still controversial, and the aim of the present study is to investigate this issue. Healthy participants and a split-brain patient (D.D.C.) were tested in a divided visual field paradigm, in which ...
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ژورنال
عنوان ژورنال: Scientific Reports
سال: 2020
ISSN: 2045-2322
DOI: 10.1038/s41598-020-70496-y