WEILL CORNELL MEDICINE IMAGE: SYNAPSES ARE COMPOSED OF PRESYNAPTIC AND POSTSYNAPTIC TERMINALS (BLUE) AND ARE CONTACTED BY ASTROCYTES (PURPLE), A CRUCIAL NON-NEURONAL CELL TYPE. DEMENTIA-ASSOCIATED PROTEIN BUILDUP IN ASTROCYTES CAUSES ABNORMAL RELEASE OF IMMUNE FACTORS (ORANGE) THAT DISTURB PRESYNAPTIC FUNCTION AND CAUSE NEURONAL HYPERACTIVITY AND COGNITIVE DECLINE IN MICE CREDIT: ORIGINAL 3D BY BROKENGRID People...
As busy people, we juggle many tasks, keep many balls in the air, and try to avoid letting anything drop. In class, instructors toss out ideas; sometimes they go over our heads, but other times we grasp them quickly. The sentences above contain familiar metaphors, sometimes called clichés: common words or phrases borrowed from physical...
by Jim Fessenden, University of Massachusetts Medical School Credit: Unsplash/CC0 Public Domain A clinical trial of 125 young adults shows that those who limited screen time for 48 hours immediately after suffering a concussion had a significantly shorter duration of symptoms than those who were permitted screen time. These findings, published in JAMA Pediatrics, offer the first...
Gum disease, especially the kind that is irreversible and causes tooth loss, may be associated with mild cognitive impairment and dementia 20 years later, according to a study published in the July 29, 2020, online issue of Neurology®, the medical journal of the American Academy of Neurology. “We looked at people’s dental health over a...
by Columbia University Irving Medical Center A new meta-analysis of 24 observational studies from researchers at Columbia University Vagelos College of Physicians and Surgeons found that delirium may cause significant long-term cognitive decline. The findings were published in JAMA Neurology. Delirium is the most common surgical complication in adults older than 65. It is also...
Hearing is widely thought to be the last sense to go in the dying process. Now UBC researchers have evidence that some people may still be able to hear while in an unresponsive state at the end of their life. This research, published recently in Scientific Reports, is the first to investigate hearing in humans...
COLUMBUS, Ohio – New research suggests mindfulness training may help multiple sclerosis patients in two very different ways: regulating negative emotions and improving processing speed. People with MS who underwent the four-week mindfulness training not only improved more compared to those who did nothing – they also improved compared to those who tried another treatment,...
by University of New South Wales Research led by Dr. Katya Numbers from UNSW’s Centre for Healthy Brain Ageing (CHeBA) has shown that certain presentations of memory concerns by older adults are predictive of future dementia. The findings published today in PLOS ONEhighlight the importance of general practitioners in listening to their older adult patient...
(HealthDay)—For multiple sclerosis (MS) patients with clinically isolated syndrome, lower vitamin D and smoking predict worse long-term cognitive function and neuronal integrity, according to a study published online April 16 in Neurology. Marianna Cortese, M.D., Ph.D., from the University of Bergen in Norway, and colleagues conducted a study involving 278 patients with clinically isolated syndrome...
by Torie Wells, Rensselaer Polytechnic Institute In a fraction of a second, a colorful digital block shaped like the letter “L” falls from the top of the computer screen. In even less time, fingers float across a controller, striking the arrow keys in rapid succession to rotate the figure so it falls in line with...
