http://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. (Medical Xpress)—Despite spending billions of dollars on research and development, drug companies have been unable to come up with effective treatments for dementia and Alzheimer's Disease (AD). Now, A. David Smith at the University of Oxford and his colleagues have discovered that, in some patients experiencing mild cognitive impairment (MCI), a cocktail of high-dose B vitamins could prevent gray matter loss associated with progression to AD. The study appears in the Proceedings of the National Academy of Sciences. http://medicalxpress.com/news/2013-05-vitamins-dementia.html Neuroscience Tue, 21 May 2013 13:22:54 EST news288361359 In a painless clinical procedure performed on a patient with electrodes temporarily implanted in his brain, Stanford University doctors pinpointed two nerve clusters that are critical for face perception. The findings could have practical value in treating people with prosopagnosia—the inability to distinguish one face from another—as well in gaining an understanding of why some of us are so much better than others at recognizing and remembering faces. http://medicalxpress.com/news/2012-10-precisely-electrical-brain-perception.html Neuroscience Tue, 23 Oct 2012 17:00:01 EST news270225642 (HealthDay) -- Children with autism given a squirt of a nasal spray containing the hormone oxytocin showed more activity in brain regions known to be involved with processing social information, a small study found. http://medicalxpress.com/news/2012-05-nasal-hormone-autism.html Autism spectrum disorders Wed, 16 May 2012 16:10:02 EST news256399301 For more than a decade, neuroscientists have known that many of the cells in a brain region called the fusiform gyrus specialize in recognizing faces. However, those cells don’t act alone: They need to communicate with several other parts of the brain. By tracing those connections, MIT neuroscientists have now shown that they can accurately predict which parts of the fusiform gyrus are face-selective. http://medicalxpress.com/news/2012-01-patterns-reveal-brain-functions.html Neuroscience Tue, 03 Jan 2012 04:11:12 EST news244786242