نتایج جستجو برای: motor asymmetry

تعداد نتایج: 194237  

2006
Martin H. Fischer Christoph D. Dahl

To measure dynamic visuo-motor coupling within the two hemispheres, we showed observers an animation of a rotating cup. They indicated with left or right buttons when a Wxation dot in the center of the animation changed color. For either hand, response times changed continuously with the irrelevant position of the cup’s handle, even when the perceptual asymmetry of the handle was controlled. Th...

Journal: :Developmental medicine and child neurology 2015
Simona Fiori Martin Staudt Kerstin Pannek Davide Borghetti Laura Biagi Danilo Scelfo Stephen E Rose Michela Tosetti Giovanni Cioni Andrea Guzzetta

We report on a patient with mirror movements sustained by a mono-hemispheric fast control of bilateral hand muscles and normal hand function. Transcranial magnetic stimulation of the right motor cortex evoked contractions of muscles in both hands while no responses were observed from the left hemisphere. Somatosensory-evoked potentials, functional magnetic resonance, and diffusion tractography ...

Journal: :Functional neurology 2014
Alessandro Marco De Nunzio Chiara Zucchella Francesca Spicciato Paolo Tortola Carmine Vecchione Francesco Pierelli Michaelangelo Bartolo

Weight bearing on the paretic lower extremity and transfer of weight from one lower extremity to the other are important goals of stroke rehabilitation. Improvements in these limb loading and weight transfer abilities have been shown to relate to improved performance of many functional activities. Unfortunately, valid and practical clinical measures of paretic lower extremity loading and weight...

Journal: : 2023

Purpose. to research and analyze of the indicators functional asymmetry in different sportsmanship level esports athletes.
 Methods. study involved 20 middle-aged athletes (18±1.53) years old, divided into groups according their sportsmanship. Group 1: elite players semi-professional teams CS:GO DOTA 2 disciplines, n=10, age (19.2±0.50) years. 2: amateur players, (18.2±1.04) The movements ...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2011
H Hagman M Zelan C M Dion A Kastberg

We have realized real-time steering of the directed transport in a Brownian motor based on cold atoms in optical lattices and demonstrate drifts along predesigned paths. The transport is induced by spatiotemporal asymmetries in the system, where we can control the spatial part, and we show that the response to changes in asymmetry is very fast. In addition to directional steering, a real-time c...

Journal: :Archives of general psychiatry 2009
Philip Shaw Francois Lalonde Claude Lepage Cara Rabin Kristen Eckstrand Wendy Sharp Deanna Greenstein Alan Evans J N Giedd Judith Rapoport

CONTEXT Just as typical development of anatomical asymmetries in the human brain has been linked with normal lateralization of motor and cognitive functions, disruption of asymmetry has been implicated in the pathogenesis of neurodevelopmental disorders such as attention-deficit/hyperactivity disorder (ADHD). No study has examined the development of cortical asymmetry using longitudinal neuroan...

Journal: :Journal of neurophysiology 2010
Shinya Fujii Kazutoshi Kudo Tatsuyuki Ohtsuki Shingo Oda

Expert musicians show experience-dependent reduced asymmetry in the structure of motor-related brain areas and in the maximum tapping frequency between the hands. Therefore we hypothesized that a reduced hand-skill asymmetry is strongly related to rapid and rhythmical bimanual coordination and developed a dynamical model including a symmetry-breaking parameter Δω, for human bimanual coordinatio...

Journal: :razavi international journal of medicine 0
ghasem sadeghi bajestani department of biomedical engineering, science and research branch, islamic azad university, tehran, ir iran; department of biomedical engineering, science and research branch, islamic azad university, tehran, ir iran ali sheikhani department of biomedical engineering, science and research branch, islamic azad university, tehran, ir iran mohammad reza hashemi golpayegani department of biomedical engineering, amir kabir university of technology, tehran, ir iran farah ashrafzadeh paediatric neurology division, qaem hospital, mashhad university of medical sciences, mashhad, ir iran paria hebrani department of paediatrics, dr sheikh paediatric hospital, mashhad university of medical sciences, ir iran

conclusions the most effected parts in asd are lateral connections of hmasd. two-sided connections which are completely symmetric become more active, and cause extra synchronization. on the other hand, due to special characteristic of two-sided connections and their ability to simulate the same phased dynamics, they cause unnatural asymmetry in children’s eeg signal. these results are consisten...

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