Nerve stimulation for severe depression changes brain function
For nearly a decade, doctors have used an implanted electronic stimulator to treat severe depression in people who don't respond to standard antidepressant therapy.
Psychology & Psychiatry
May 07, 2013 |
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Taste of beer, without effect from alcohol, triggers dopamine release in the brain
The taste of beer, without any effect from alcohol itself, can trigger dopamine release in the brain, which is associated with drinking and other drugs of abuse, according to Indiana University School of Medicine ...
Neuroscience
Apr 15, 2013 |
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Forget about plaque when diagnosing Alzheimer's Disease
(Medical Xpress)—An Australian study has shown that plaque, long considered to be the hallmark of Alzheimer's disease, is one of the last events to occur in the Alzheimer's brain. This finding will impact the current debate ...
Alzheimer's disease & dementia
Apr 03, 2013 |
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Combination of imaging exams improves Alzheimer's diagnosis
Employing a combination of imaging and biomarker tests improves the ability of doctors to predict Alzheimer's in patients with mild cognitive impairment, according to researchers at Duke Medicine.
Alzheimer's disease & dementia
Dec 11, 2012 |
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Scanning innovation can improve personalized medicine
New combinations of medical imaging technologies hold promise for improved early disease screening, cancer staging, therapeutic assessment, and other aspects of personalized medicine, according to Ge Wang, director of Virginia ...
Medical research
Nov 26, 2012 |
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Brain imaging alone cannot diagnose autism
In a column appearing in the current issue of the journal Nature, McLean Hospital biostatistician Nicholas Lange, ScD, cautions against heralding the use of brain imaging scans to diagnose autism and urges greater focus ...
Autism spectrum disorders
Nov 02, 2012 |
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Study reveals multiple mechanisms may play role in Alzheimer's
(Medical Xpress)—Researchers investigating a known gene risk factor for Alzheimer's disease discovered it is associated with lower levels of beta amyloid—a brain protein involved in Alzheimer's—in cognitively healthy ...
Neuroscience
Oct 02, 2012 |
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Why cutting-edge medical technology may not lead to exploding health care costs
Sophisticated medical imaging is often cited as a leading driver of health care costs. The increasing availability of techniques such as computed tomography (CT), magnetic resonance imaging (MRI) and positron ...
Health
Jul 27, 2012 |
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Alzheimer's plaques in PET brain scans identify future cognitive decline
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 ...
Neuroscience
Jul 11, 2012 |
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Study offers clue as to why alcohol is addicting: Drinking releases brain endorphins
(Medical Xpress) -- Drinking alcohol leads to the release of endorphins in areas of the brain that produce feelings of pleasure and reward, according to a study led by researchers at the Ernest Gallo Clinic and Research Center ...
Neuroscience
Jan 11, 2012 |
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Surgical procedure does not appear to reduce risk of subsequent stroke after 'mini-stroke'
Patients with thickening and blockage of the internal carotid artery (supplies blood to the brain) and hemodynamic cerebral ischemia (insufficient blood flow to the brain, sub-type of stroke) who had a surgical procedure ...
Cardiology
Nov 08, 2011 |
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Tracing biological pathways
A new chemical process developed by a team of Harvard researchers greatly increases the utility of Positron Emission Tomography (PET) in creating real-time 3-D images of chemical process occurring inside the human body.
Cancer
Nov 04, 2011 |
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Do deficits in brain cannabinoids contribute to eating disorders?
A new report in Biological Psychiatry suggests that deficits in endocannabinoid function may contribute to anorexia nervosa and bulimia. Endocannabinoids are substances made by the brain that affect brain function and ch ...
Psychology & Psychiatry
Oct 31, 2011 |
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Virus shows promise for imaging and treating pancreatic cancer
Researchers are investigating a potential treatment and noninvasive imaging modality for pancreatic cancer that shows promise, according to researchers at Memorial Sloan-Kettering Cancer Center in New York, N.Y., and Genelux ...
Cancer
Sep 15, 2011 |
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Metabolic state of brain cancer stem cells significantly different than the cancer cells they create
The metabolic state of glioma stem cells, which give rise to deadly glioblastomas, is significantly different from that of the brain cancer cells to which they give birth, a factor which helps those stem cells avoid treatment ...
Cancer
Sep 06, 2011 |
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