Should people with diabetes sleep with the lights on?
...an body at low levels of illumination. Analysis by electrical stimulation shows that the activity (assessed by amplitude of oscillatory potentials) in the inner retinal cells is reduced among people with diabetes. Neville Drasdo and colleagues from Cardiff University, UK, investigated the effect of oxygen inha...Wake Forest researchers find brain region 'exquisitely' sensitive to alcohol
...e membrane to the other. The calcium ions carry an electrical charge and the charge "helps to determine whether or not the cell that possesses that channel will communicate with the next cell down the line in the chain of neurons." It is the calcium channels where the reaction differs depending on whether the ...'Power nap' prevents burnout; morning sleep perfects a skill
... might a nap help? Recordings of brain and ocular electrical activity monitored while napping revealed that the longer 1-hour naps contained more than four times as much deep, or slow wave sleep and rapid eye movement (REM) sleep than the half-hour naps. Subjects who took the longer naps also spent significan...Breakthrough! UNC scientists' research promises improved X-ray machines using carbon nanotubes
...y using single-wall carbon nanotubes to help store electrical charges. They have patented the process of creating such nanotubes....Temple and Fox Chase developing interactive program to assist prostate cancer patients
... is being designed by Dr. Brian Butz, professor of electrical and computer engineering at Temple, and Dr. Michae...eveloped by Butz for use as a tutorial program for electrical and computer engineering students. That system is presently in beta testing at about a half-dozen c......ing on the software package, Thomas Lu, Ph.D., an electrical engineer from Petaluma, Calif., developed the scanner. Michael Cedars, M.D., a plastic surgeon from Berkeley, Calif., is the philosophical guiding light of the project and is going to implement the system with his patients. The system is not intende...Schizophrenia may be caused by an interaction of genes and viruses in glia cells
... two main types of cells, nerve cells, which carry electrical impulses around the brain and glia, which are important for the normal development of the brain in the young and the maintenance of nerve connections in adults. The authors argue that many of the genes implicated in the development of schizophrenia c...Market potential exists for superconductivity in medical, energy, transportation sectors
... certain temperature. It can transport much higher electrical currents than normal conductors, such as copper. Other applications of superconductors include: Medicine Ultra sensitive superconducting sensors can non-invasively detect minute magnetic signals from the human body, aiding in the early detection o...FINAL ALERT: RPB Science Writers Seminar in Eye Research to be held in Washington, DC Sept. 22-25
...es that seek to restore vision to the blind not by electrical stimulation, as is the case with the retinal "chips" of today, but by chemical signaling via light-activated release of appropriate neurotransmitters at precisely the right sites. *Studies of newly approved 30-day-wear, "sleep-in" contact lenses tha...Sleep and sedation controlled in same brain centre, say scientists
...ind to them they stop the nerve cells from sending electrical signals to other neurons. "The sleep-inducing action of general anaesthetics occurs by hijacking one pathway in the brain responsible for promoting deep sleep," said Professor Nick Franks of Imperial College London. "The TMN region of the brain is ...Leg maneuver may prevent fainting
...tilting, while researchers monitored their heart's electrical activity with an electrocardiogram and blood pressure with a device that follows changes beat to beat. The table could be returned to a horizontal position almost immediately if syncope appeared imminent. During the test, researchers told patients ...Hopkins researchers study heart defect that kills athletes
...aced by fat and scar tissue. In a healthy person, electrical activation of the right ventricle proceeds in a rapid and organized fashion. But in the ARVD patient, the presence of abnormal tissue makes it possible for a potentially life-threatening "short-circuit" arrhythmia to occur. The disorder, which affe...New research adds to understanding of conscious awareness
...ody of knowledge about the role of brain waves, or electrical pulses in the brain. Gamma waves are fast electrical waves that have been hypothesized to be involved in conscious perception. However, scientists still ...... channel enables the cells to more quickly restore electrical balance following each heartbeat, thus limiting the entrance of calcium into the cells. "The system needs to be fully orchestrated," says Dr. Terzic. "It must have perfect harmonization to bring sufficient calcium for contraction without overdoing i...Mayo Clinic researchers document safer treatment for atrial fibrillation
...eart's atrial chambers and results when the normal electrical conduction system of the atria is not functioning properly. It is estimated that atrial fibrillation is responsible for more than 70,000 strokes each year in the United States. The prevalence of atrial fibrillation increases with age. The researchers...OHSU receives $7.8 million NIH grant to develop first ultrasound to also deliver heart treatment
... frequency and will be equipped to record abnormal electrical currents of the heart. The second ultrasound dev...the ability to not only detect and locate abnormal electrical currents in the heart, but also to treat them by burning the cells generating the abnormal charge. ...Foot pressure device may stamp out muscle loss
...sors placed on their skin picked up changes in the electrical activity in their leg muscles, which indicates the muscle is contracting. "We could control when the pressure was applied to our subjects' feet, and vary the application relative to when the subjects contracted their leg muscles," Layne says. The st...Protein patterns in blood may predict prostate cancer diagnosis
...eins and other molecules based on their weight and electrical charge. They then used an artificial intelligence program developed by Correlogic Systems, Inc., in Bethesda, Md., to train a computer to identify patterns of proteins that differed between patients with prostate cancer and those in which a biopsy h...Rutgers wins funds to create online index of moving brain images
...ect include Deborah Silver, associate professor of electrical and computer engineering, Rutgers-New Brunswick; Ben Martin Bly, assistant professor of psychology, Rutgers-Newark; Sven Dickinson, associate professor of computer science, University of Toronto; Lawrence Shepp, professor of statistics, Rutgers-New B...Life-saving properties of beta blockers extend to more patients
...c arrests that lead to sudden death occur when the electrical impulses in a diseased heart become rapid, called ...c (EP) studies invasive procedures used to record electrical activity from the heart or to administer medications while monitoring their effects. EP studies can...