http://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. Among patients with mild or no cognitive impairment, brain scans using a new radioactive dye can detect early evidence of Alzheimer's disease that may predict future decline, according to a multi-center study led by researchers at Duke University Medical Center. http://medicalxpress.com/news/2012-07-alzheimer-plaques-pet-brain-scans.html Neuroscience Wed, 11 Jul 2012 16:00:06 EST news261240709 Brain scans of a small group of people can predict the actions of entire populations, according to a new study by researchers from the University of Michigan, the University of Oregon and the University of California at Los Angeles. http://medicalxpress.com/news/2012-04-small-neural-focus-groups-anti-smoking.html Psychology & Psychiatry Wed, 25 Apr 2012 10:48:54 EST news254569625 At a time when obesity has become epidemic in American society, Dartmouth scientists have found that functional magnetic resonance imaging (fMRI) brain scans may be able to predict weight gain. In a study published April 18, 2012, in The Journal of Neuroscience, the researchers demonstrated a connection between fMRI brain responses to appetite-driven cues and future behavior. http://medicalxpress.com/news/2012-04-brain-scans-weight-gain-sexual.html Neuroscience Tue, 17 Apr 2012 17:00:02 EST news253889223 An investigational oral drug called ONO-4641 reduced the number of lesions in people with multiple sclerosis (MS), according to the results of a phase two clinical trial to be presented as Emerging Science (formerly known as Late-Breaking Science) at the American Academy of Neurology's 64th Annual Meeting in New Orleans April 21 to April 28, 2012. http://medicalxpress.com/news/2012-04-ono-pill-ms-lesions-phase.html Neuroscience Mon, 16 Apr 2012 16:00:03 EST news253810569 (HealthDay) -- Nine physician specialty groups have created lists of common tests or procedures that they believe are often overused or unnecessary, to help doctors and patients make wiser decisions about care. http://medicalxpress.com/news/2012-04-physician-groups-medical.html Health Wed, 04 Apr 2012 11:40:01 EST news252757441 Depressed individuals with a tendency to ruminate on negative thoughts, i.e. to repeatedly think about particular negative thoughts or memories, show different patterns of brain network activation compared to healthy individuals, report scientists of a new study in Biological Psychiatry. http://medicalxpress.com/news/2012-04-brain-networks-features-depression.html Psychology & Psychiatry Tue, 03 Apr 2012 10:40:01 EST news252667482 Simple tests such as walking speed and hand grip strength may help doctors determine how likely it is a middle-aged person will develop dementia or stroke. That's according to new research that was released today and will be presented at the American Academy of Neurology's 64th Annual Meeting in New Orleans April 21 to April 28, 2012. http://medicalxpress.com/news/2012-02-fast-middle-age-dementia.html Neuroscience Wed, 15 Feb 2012 16:00:01 EST news248541357 Only by employing complex machine-learning techniques to decipher repeated advanced brain scans were researchers at NewYork-Presbyterian/Weill Cornell able to provide evidence that a patient with a severe brain injury could, in her way, communicate accurately. http://medicalxpress.com/news/2012-02-cognitive-abilities-severely-brain-injured-patients.html Neuroscience Mon, 13 Feb 2012 16:40:01 EST news248372678 Cognitive loss and brain degeneration currently affect millions of adults, and the number will increase, given the population of aging baby boomers. Today, nearly 20 percent of people age 65 or older suffer from mild cognitive impairment and 10 percent have dementia. http://medicalxpress.com/news/2012-02-brain-imaging-technique-cognitive-decline.html Neuroscience Mon, 13 Feb 2012 16:00:05 EST news248370873 (Medical Xpress) -- Researchers funded by the Medical Research Council (MRC) at the University of Cambridge have identified a brain abnormality which is found in drug-dependent individuals as well as their siblings who have had no history of drug addiction. The brain abnormality identified by the researchers makes it more difficult for individuals to exercise self-control. http://medicalxpress.com/news/2012-02-brains-addicts-inherently-abnormal.html Neuroscience Thu, 02 Feb 2012 17:15:46 EST news247425336 Scientists at the Centre for Addiction and Mental Health (CAMH) have identified a potential target for the development of anti-craving medications for people with addictions to stimulants such as methamphetamine. http://medicalxpress.com/news/2012-01-camh-discovery-potential-anti-craving-medications.html Neuroscience Wed, 25 Jan 2012 09:33:34 EST news246706383 (AP) -- One of the world's smallest surviving babies was discharged Friday from the hospital where she spent nearly five months in an incubator - but not before getting the Hollywood treatment. http://medicalxpress.com/news/2012-01-tiny-baby-los-angeles-hospital.html Other Sat, 21 Jan 2012 05:50:01 EST news246347387 Depression is one of the most common mental disorders in the elderly, but little is known about the underlying biology of its development in older adults. http://medicalxpress.com/news/2011-11-imaging-technique-ids-plaques-tangles.html Psychology & Psychiatry Tue, 08 Nov 2011 11:39:28 EST news239974757 Computer analysis of brain scans could help predict how severe the future illness course of a patient with psychosis will be, according to research funded by the Medical Research Council and the Wellcome Trust. The findings could allow doctors to make more accurate decisions about how best to treat patients. http://medicalxpress.com/news/2011-11-scientists-brain-scans-outcome-psychotic.html Psychology & Psychiatry Mon, 07 Nov 2011 12:48:29 EST news239892502 (Medical Xpress) -- Scientists have developed a way to evaluate new treatments for some forms of attention deficit disorder. http://medicalxpress.com/news/2011-10-brain-scans-reveal-drugs-effects.html Neuroscience Fri, 14 Oct 2011 09:48:56 EST news237804521 New research suggests the growth rate of the brain's cerebral cortex in babies born prematurely may predict how well they are able to think, speak, plan and pay attention later in childhood. The research is published in the October 12, 2011, online issue of Neurology, the medical journal of the American Academy of Neurology. The cerebral cortex is the outer layer of the brain covering the cerebrum, and is responsible for cognitive functions, such as language, memory, attention and thought. http://medicalxpress.com/news/2011-10-bigger-brain-smarter-child-babies.html Neuroscience Wed, 12 Oct 2011 16:40:15 EST news237656407 Differentiating between the various forms of dementia is crucial for initiating appropriate treatment. Researchers at the Sahlgrenska Academy have discovered that the underlying diseases leave different "fingerprints" in the cerebrospinal fluid, paving the way for more reliable diagnoses. http://medicalxpress.com/news/2011-10-biological-fingerprints-diagnosis-dementia.html Diseases, Conditions, Syndromes Tue, 04 Oct 2011 15:36:25 EST news236961372 Research conducted by Boston College neuroscientist Sean MacEvoy and colleague Russell Epstein of the University of Pennsylvania finds evidence of a new way of considering how the brain processes and recognizes a person's surroundings, according to a paper published in the latest issue of Nature Neuroscience. http://medicalxpress.com/news/2011-09-neuroimaging-brain-scenes.html Neuroscience Tue, 13 Sep 2011 17:46:54 EST news235154804 Shakespeare famously referred to "the mind's eye," but scientists at USC now have also identified a "mind's touch." http://medicalxpress.com/news/2011-09-scientists-probe-sight-brain.html Neuroscience Thu, 08 Sep 2011 14:08:12 EST news234709670 Researchers at the Stanford University School of Medicine and Lucile Packard Children's Hospital have used a novel method for analyzing brain-scan data to distinguish children with autism from typically developing children. Their discovery reveals that the gray matter in a network of brain regions known to affect social communication and self-related thoughts has a distinct organization in people with autism. The findings will be published online Sept. 2 in Biological Psychiatry. http://medicalxpress.com/news/2011-09-distinct-features-autistic-brain-revealed.html Psychology & Psychiatry Fri, 02 Sep 2011 15:26:46 EST news234195990 For most of his life, 24-year-old Steven Bringas so feared humiliating himself if he spoke that only an emergency would get him to enter a store. http://medicalxpress.com/news/2011-08-stanford-vanquishes-social-anxieties-drugs.html Psychology & Psychiatry Fri, 19 Aug 2011 11:20:01 EST news232967949 Scientists are closing in on a long-sought goal: A blood test to screen people for Alzheimer's disease. http://medicalxpress.com/news/2011-07-blood-alzheimer.html Diseases, Conditions, Syndromes Wed, 20 Jul 2011 04:01:27 EST news230353254 (AP) -- Scientists in Australia are reporting encouraging early results from a simple eye test they hope will give a noninvasive way to detect signs of Alzheimer's disease. http://medicalxpress.com/news/2011-07-falls-eye-clues-alzheimer.html Diseases, Conditions, Syndromes Sun, 17 Jul 2011 11:04:31 EST news230119347 A University of Colorado Boulder research team has developed a new software program allowing neuroscientists to produce single brain images pulled from hundreds of individual studies, trimming weeks and even months from what can be a tedious, time-consuming research process. http://medicalxpress.com/news/2011-06-software-advance-brain-image.html Medical research Mon, 27 Jun 2011 09:51:36 EST news228387066 In one of the first studies of its kind, UCLA researchers used a unique brain scan to assess the levels of amyloid plaques and neurofibrillary tangles -- the hallmarks of Alzheimer's disease -- in adults with Down syndrome. http://medicalxpress.com/news/2011-06-brain-scan-patterns-plaques-tangles.html Neuroscience Mon, 13 Jun 2011 16:00:12 EST news227199214 Researchers call it mind reading. One at a time, they show a volunteer – who's resting in an MRI scanner – a series of photos of beaches, city streets, forests, highways, mountains and offices. The subject looks at the photos, but says nothing. http://medicalxpress.com/news/2011-05-mind-brain-scans-reveal-secrets.html Neuroscience Thu, 19 May 2011 10:15:21 EST news225018766 New research from the University of Calgary's Faculty of Medicine shows that doctors can make a stroke diagnosis using an iPhone application with the same accuracy as a diagnosis at a medical computer workstation. This technology can be particularly useful in rural medical settings. This allows for real-time access to specialists such as neurologists, regardless of where the physicians and patients are located. http://medicalxpress.com/news/2011-05-iphone-app.html Other Mon, 09 May 2011 09:35:19 EST news224152495 The scientific foundation of psychiatry is growing rapidly, yet it is a branch of medicine distinctive for the relative absence of biological tests in routine clinical practice. http://medicalxpress.com/news/2011-04-screening-cognitive-therapy.html Psychology & Psychiatry Mon, 18 Apr 2011 10:19:56 EST news222340786