Plastic reorganisation of human motor cortex
نویسندگان
چکیده
منابع مشابه
The plastic human brain cortex.
Plasticity is an intrinsic property of the human brain and represents evolution's invention to enable the nervous system to escape the restrictions of its own genome and thus adapt to environmental pressures, physiologic changes, and experiences. Dynamic shifts in the strength of preexisting connections across distributed neural networks, changes in task-related cortico-cortical and cortico-sub...
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OBJECTIVES Brain plasticity is supposed to allow the compensation of motor function in cases of rolandic lesion. The aim was to analyse the mechanisms of functional reorganisation during surgery in the central area. METHODS A motor brain mapping was performed in three right handed patients without any neurological deficit, operated on for a slow growing lesion near the rolandic region (two pr...
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Topographic maps in primary areas of mammalian cerebral cortex reorganise as a result of behavioural training. The nature of this reorganisation seems consistent with the behaviour of competitive neural networks, as has been demonstrated in the past by computer simulation. We model tactile training on the hand representation in primate somatosensory cortex, using the Neural Field Theory of Amar...
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A human being’s motor cortex becomes engaged when he or she performs specific motions. However, little is known about the relationship between the regions in the motor cortex. Neuroscience has not reached consensus over how motions for specific joints relate, or how engagement changes when a motion is performed more forcefully. We obtained fMRI BOLD scans of subjects’ motor cortices as they per...
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Human walking displays an impressive precision and the ability to adapt to different terrains. It is suggested that both spinal as well as supra-spinal structures play an important role in this rhythmic task. The current thesis focuses on the role the motor cortex plays in this task. Although there are experimental findings and clinical observations suggesting that one of the supraspinal struct...
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ژورنال
عنوان ژورنال: Military Medical and Pharmaceutical Journal of Serbia
سال: 2012
ISSN: 0042-8450,2406-0720
DOI: 10.2298/vsp1210891i