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October 06, 2004

The Helping Brain

When the optic nerve is attacked by an inflammatory disorder called optic neuritis, certain brain areas reorganize themselves in response to the faulty visual information transmitted by the nerve, according to a study presented October 5, 2004, at the 129th annual meeting of the American Neurological Association in Toronto.

"We found that certain areas of the brain normally associated with more specialized higher visual processing are particularly active early after the onset of optic neuritis and are probably contributing to the recovery process," said lead author Ahmed Toosy, MD, of the Institute of Neurology in London.

Optic neuritis is an advantageous condition in which to study reorganization of brain pathways after injury because the condition is usually temporary. Symptoms ranging from mild blurring to complete loss of vision appear rapidly, within a few hours or days, often accompanied by pain. About half the time these represent an early stage of multiple sclerosis.

Complete Article

Posted by thinkingmachine at October 6, 2004 03:57 PM

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