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Multiple sclerosis linked to different area of brain


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Mako

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Geplaatst op 24 december 2011 - 13:46

Multiple Sclerosis Linked to Different Area of Brain

Radiology researchers at The University of Texas Health Science Center at Houston (UTHealth) have found evidence that multiple sclerosis affects an area of the brain that controls cognitive, sensory and motor functioning apart from the disabling damage caused by the disease’s visible lesions.

“The thalamus is a central area that relates to the rest of the brain and acts as the ‘post office,’ ” said Hasan, first author of the paper. “It also is an area that has the least amount of damage from lesions in the brain but we see volume loss, so it appears other brain damage related to the disease is also occurring.”

Researchers have known that the thalamus loses volume in size with typical aging, which accelerates after age 70. The UTHealth multidisciplinary team’s purpose was to assess if there was more volume loss in patients with multiple sclerosis, which could explain the dementia-related decline associated with the disease.

Het onderzoek:
For the study, researchers used precise imaging by the powerful 3 Tesla MRI scanner to compare the brains of 109 patients with the disease to 255 healthy subjects. The patients were recruited through the Multiple Sclerosis Research Group at UTHealth, directed by Wolinsky, and the healthy controls through the Department of Pediatrics’ Children’s Learning Institute.
Adjusting for age-related changes in the thalamus, the patients with multiple sclerosis had less thalamic volume than the controls. The amount of thalamic loss also appeared to be related to the severity of disability.

Results of the research were published in a recent edition of The Journal of Neuroscience.

Lees het volledige artikel
Bron: The University of Texas Health Science Center at Houston
A word of encouragement during a failure is worth more than an hour of praise after success.
I hear, I know. I see, I remember. I do, I understand -Confucius-

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