Word: neurone
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...professor. She writes popular-science books, presents TV series like last year's Brain Story on the BBC and delivers public lectures. Last week she chaired a conference on music and the mind, which yielded intriguing insights into the way melodic patterns may be linked to the configuration of neuron networks in the brain. Her telegenic looks, designer clothes, accessibility and enthusiasm for her subject - the mind and how it works - have led the media to dub her Britain's only celebrity scientist. She doesn't mind the tag: it gives her a platform to speak out on issues about...
...evolutionary biology--think of it as Earth's R. and D. department--is influencing the way we build computers, write software and organize companies. One member of our panel, Ray Kurzweil, an inventor, technology futurist and entrepreneur, observes that the human brain has no single "chief executive officer neuron." What gives the brain its power is not one boss but the ability of billions of neurons to conduct trillions of operations instantaneously. In computer lingo, that's called parallel processing, and it is something that today's man-made computers can accomplish only crudely. In everything from biology to business...
These are the neuron-packed gray matter of the cerebral cortex and white matter, which contains the fibrous connections projecting to and from the cerebral cortex and other areas of the brain, including the cerebellum. Perhaps, Courchesne speculates, it is the signal overload caused by this proliferation of connections that injures the Purkinje cells and ultimately kills them. "So now," says Courchesne, "a very interesting question is, What's driving this abnormal brain growth? If we could understand that, then we might be able to slow or stop...
...study, published in the Dec. 6 issue of Neuron, is the first to correlate the pain and pleasure systems...
...possible overlap of signals from different ORs is surprising because it implies that a single neuron in the brain could be stimulated by more than one type of receptor in the nose...