By discovering the culprit behind decreased blood flow in the brain of people with Alzheimer's, biomedical engineers at Cornell University have made possible promising new therapies for the disease. You know that dizzy feeling you get when, after lying down for an extended period, you stand up a little too quickly? That feeling is caused by a sudden reduction of blood flow to the brain, a reduction of around 30 percent. Now imagine living every minute of every day with that level of decreased blood flow. People with Alzheimer's disease don't have to imagine it. The existence of cerebral blood flow reduction in Alzheimer's patients has been known for decades, but the exact correlation to impaired cognitive function is less understood. "People probably adapt to the decreased blood flow, so that they don't feel dizzy all of the time, but there's clear evidence that it impacts cognitive function," said Chris Schaffer, associate professor of biomedical engineering at Cornell University. A … [Read more...] about Researchers Closer to New Alzheimer’s Therapy With Brain Blood Flow Discovery
Improving blood flow to brain
Editor’s Note: Ten days after this story about the death of Laura Levis was published on BostonGlobe.com, the leaders of Somerville hospital’s parent company, Cambridge Health Alliance, met with her husband, Peter DeMarco, at the Globe’s Boston office. DeMarco, who had talked about the story on NBC Nightly News and other outlets, had asked CHA nearly a month earlier to answer questions about his wife’s death. * * * SEPTEMBER 16, 2016, 4:23:59 A.M. 911 operator: “This line is recorded. Where is your emergency?” Laura: “I’m at Somerville Hospital.” 911 operator: “I’m sorry. Where are you?” Laura: “Somerville Hospital.” 911 operator: “OK, what’s the emergency?” Laura: “I’m having an asthma attack. I’m dying.” 911 operator: “Whereabouts are you at the hospital?” Laura: “Emergency room.” 911 operator: “OK.” Laura: … [Read more...] about Laura Levis was left to die outside an ER. Why were the doors locked?
By STEVEN JOHNSON NOV. 15, 2018 Looking to the future has always defined humanity. Will A.I. become the best crystal ball of all? The Tech And Design Issue The Human Brain Is a Time Traveler The Future of Aging Just Might Be in Margaritaville Proteomics Might Have Saved My Mother’s Life. And It May Yet Save Mine. May A.I. Help You? 20 Americans Die Each Day Waiting for Organs. Can Pigs Save Them? Gaming Out a Chance at Motherhood — Later Data-Driven Medicine Will Help People — But Can It Do So Equally? Group 3 Created with Sketch. Group 3 Created with Sketch. Looking to the future has always defined humanity. Will A.I. become the best crystal ball of all? Group 3 Created with Sketch. Group 3 Created with Sketch. By STEVEN JOHNSONNOV. 15, 2018 Concept by Delcan & Company. Photo illustration by Jamie Chung. Prop styling by Pink Sparrow. Randy Buckner was a … [Read more...] about The Human Brain Is a Time Traveler
In 2007, The New York Times published an op-ed titled “This is Your Brain on Politics.” The authors imaged the brains of swing voters and, using that information, interpreted what the voters were feeling about presidential candidates Hillary Clinton and Barack Obama. “As I read this piece,” writes Russell Poldrack, “my blood began to boil.” Poldrack is a neuroscientist at Stanford University and the author of The New Mind Readers: What Neuroimaging Can and Cannot Reveal about Our Thoughts (out now from Princeton University Press). His research focuses on what we can learn from brain imagining techniques such as fMRI, which measures blood activity in the brain as a proxy for brain activity. And one of the clearest conclusions, he writes, is that activity in a particular brain region doesn’t actually tell us what the person is experiencing. The Verge spoke to Poldrack about the limits and possibilities of fMRI, the fallacies that people commit … [Read more...] about A neuroscientist explains the limits and possibilities of using technology to read our thoughts
A rapidly progressing “polio-like” illness is leaving children in numerous states paralyzed – and experts aren’t sure what’s causing the kids to fall ill.The rare disease, called Acute Flaccid Myelitis (AFM), causes an “inflammation of spinal cord” that resembles cases of polio from the 20th century, Johns Hopkins associate professor of neurology and pathology Dr. Carlos A. Pardo told the Daily News.Cases of AFM have recently been reported in at least five states: Minnesota, Washington, Illinois, Colorado and Pennsylvania.The exact cause of AFM is unknown — it may be a new virus that some children do not have enough immunity to combat and therefore have a bad reaction where the nervous system fails, or the virus attacks the spinal cord directly.“The CDC found evidence of enterovirus D68 in respiratory samples in approximately 20% of patients affected, and other viruses in another 20%, though in the majority of cases a trigger was … [Read more...] about Everything you need to know about the ‘polio-like’ illness popping up around the U.S.