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Scientists at the University of Edinburgh have identified a protein crucial for maintaining the health and function of the segment of nerve fibres that controls transmission of messages within the brain.The study, published in the journal Neuron, could help direct research into neuro-degenerative disorders, in which electrical impulses from the brain are disrupted. This can lead to inability to control movement, causing muscles to waste away.
Knowing more about how signals in the brain work will help us better understand neuro-degenerative disorders and why, when these illnesses strike, the brain can no longer send signals to parts of the body.The brain works like an electrical circuit, sending impulses along nerve fibres in the same way that current is sent through wires.These fibres can measure up to a metre, but the area covered by the segment of nerve that controls transmission of messages is no bigger than the width of a human hair.
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