Results 211 to 220 of about 10,971 (243)
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Neurosurgery Clinics of North America, 2011
Functional magnetic resonance imaging (fMRI) enhances the understanding of neuroanatomy and functions of the brain and is becoming an accepted brain-mapping tool for clinicians, researchers, and basic scientists alike. A noninvasive procedure with no known risks, fMRI has an ever-growing list of clinical applications, including presurgical mapping of ...
Andrei I, Holodny +3 more
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Functional magnetic resonance imaging (fMRI) enhances the understanding of neuroanatomy and functions of the brain and is becoming an accepted brain-mapping tool for clinicians, researchers, and basic scientists alike. A noninvasive procedure with no known risks, fMRI has an ever-growing list of clinical applications, including presurgical mapping of ...
Andrei I, Holodny +3 more
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Human Movement Science, 2005
Consider the process of raising and lowering the arm in the sagittal plane. Different parts of different muscles operate over different sectors of the angular range. How and why does the nervous system implement this differential muscle activation according to joint angle?
Peter D, Neilson, Megan D, Neilson
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Consider the process of raising and lowering the arm in the sagittal plane. Different parts of different muscles operate over different sectors of the angular range. How and why does the nervous system implement this differential muscle activation according to joint angle?
Peter D, Neilson, Megan D, Neilson
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Chaos control by using Motor Maps
Chaos: An Interdisciplinary Journal of Nonlinear Science, 2002In this paper a new method for chaos control is proposed, consisting of an unsupervised neural network, namely a Motor Map. In particular a feedback entrainment scheme is adopted: a chaotic system with a given parameter set generates the reference trajectory for another chaotic system with different parameters to be controlled: the Motor Map is ...
ARENA, Paolo Pietro +2 more
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Noninvasive mapping of human motor cortex
Neurology, 1988Human motor cortex was stimulated using brief, high-voltage electrical stimulation. Constant-voltage stimuli were delivered through a bipolar surface stimulator with the anode placed at multiple positions on the scalp and the cathode situated 2.5 cm anterior to the anode.
L G, Cohen, M, Hallett
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Microtubules, MAPs, and motor patterns
2015Cells have an amazing ability to self-organize and rearrange their interiors. Such morphology changes are essential to cell development, division, and motility. The core of a cell's internal organization lies with the cytoskeleton made of both microtubule and actin filaments with their associated proteins and ATP-utilizing enzymes.
Kasimira T, Stanhope, Jennifer L, Ross
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MAPs and motors in insect ovaries
Journal of Cell Science, 1991ABSTRACT MAPs and microtubule motor proteins from the massive microtubule translocation complexes within the ovaries of hemipteran insects have been identified and characterized. Both classes of proteins have been compared with those of other systems, and the function of both in the insect ovaries is speculated upon.
H, Stebbings, C, Hunt, A, Anastasi
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2011
Neurosurgery must always carefully balance the benefit of surgical therapy against the risk of causing or increasing neurological symptoms. Preoperative risk assessment on the basis of standard anatomical imaging alone is often insufficient because of inherent variations in motor representation from one patient to the next and because pathology can ...
Thomas Picht, Ayçe Atalay
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Neurosurgery must always carefully balance the benefit of surgical therapy against the risk of causing or increasing neurological symptoms. Preoperative risk assessment on the basis of standard anatomical imaging alone is often insufficient because of inherent variations in motor representation from one patient to the next and because pathology can ...
Thomas Picht, Ayçe Atalay
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Motor maps, seizures, and behaviour.
Canadian Journal of Experimental Psychology / Revue canadienne de psychologie expérimentale, 2008Atypically organised motor maps have been described in some people with epilepsy and we have modelled this in rats. Our goal is to more fully understand the mechanisms responsible for seizure-induced functional brain reorganisation and to reverse their effects.
G. Campbell Teskey +9 more
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Cortical maps for motor planning
[Proceedings] 1992 RNNS/IEEE Symposium on Neuroinformatics and Neurocomputers, 1992A distributed computational architecture for the motor planning functions is explored. It combines a paradigm of self-organization (for building robust and coherent maps of the different motor spaces) with relaxation dynamics (for run-time incorporation of task constraints).
V. Sanguineti, P. Moraso
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Motor recalibration of visual and saccadic maps
Proceedings of the Royal Society B: Biological Sciences, 2023How does the brain maintain an accurate visual representation of external space? Movement errors following saccade execution provide sufficient information to recalibrate motor and visual space. Here, we asked whether spatial information for vision and saccades is processed in shared or in separate resources.
Sandra Tyralla +2 more
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