New U-M Analysis Of Brain At Work
...n that it did not involve the memory process. Long thought to be the seat of higher mental functions such as planning andproblem solving, the frontal cortex comprises one-third of the human brain, aproportion much larger than in other primates, Smith notes. "Damage to the prefrontal cortex is common in accid...NIA Launches National Study To Treat Mild Cognitive Impairment
...n for another use. Vitamin E(alpha-tocopherol) is thought to have antioxidant properties, and was shown in a1997 study to delay important dementia milestones, such as patients'institutionalization or progression to severe dementia, by about seven months. Participants will be randomly assigned to one of the...Study Shows Hormone Replacement Therapy Does Not Elevate Breast Cancer Risk
...ng on the type of breast lesion. It waspreviously thought that these women might have an even greater elevation inbreast cancer risk if they used ERT. Until this study, however, littleinformation has been available regarding the added risk for this group. "The study was very reassuring," Dupont said. "We ...Possible Mechanism For Estrogen Memory Enhancement Found
...r structure in the forebrain of all mammals. It is thought to be amechanism of memory shortage in the brain. Thompson believes that learning more about the mechanism of long-termpotentiation could lead to highly refined treatments for Alzheimer's disease.Researchers are studying compounds that are similar or...New Drug For Recurrent Brain Tumors In Tests At UNC
... manufactured by Sugen in Redwood City, Calif., is thought to preventtumor cell growth by blocking specific molecules on the surface of tumor cells.Laboratory research suggests that these "receptor sites," which attract ahormone-like substance called platelet-derived growth factor (PDGF), appear inincreased ...'Motion Blindness,' Not Just Poor Memory, Causes Alzheimer's Patients To Lose Their Way
...ofNeurology. For years doctors generally have thought that Alzheimer'spatients become lost simply because they forget directions orwhere they're going. But the Rochester team has found that whileAlzheimer's patients certainly do have memory problems, those areseparate from the motion blindness that is d...Improved Fitness Lowers Mortality Risk Of Male Heart-Attack Survivors
... of fitness after the three-year study period, the thought isthat the men who actually exercised after a heart attack probably became morefit, were likely to stay with it and, consequently, lived longer." The original trial involved 651 men between the ages of 30 and 64 whohad suffered a heart attack...Debilitating Body Image Disorder Often Begins In Teens; Likely To Be Missed
...perceived defects; some said it was all they thought about. Many avoided making friends and dating.Eighty-five percent reported the disorder interfered with academic performance, with those at the extremeend - 18 percent - having dropped out of school. One middle school student had missed m......nt, VISX ExcimerLaser Systems (TM) -- both doctors thought Kiley was an excellent candidate tobenefit from it. "Dr. Wright and I discussed this case in detail to consider the risks and thebenefits," said Dr. Salz. "We knew that the risks in a young person shouldcertainly be no higher than they are in an old...The Whole Truth From Five-Year-Olds
... children can be trusted much earlier thancommonly thought to understand what they'repromising when they swear to tell the truth in acourt of law." Of the children in the study who clearly exhibitedan understanding of the difference between thetruth and lie, 69% failed adequately to explainthe difference bet...Brain Activity Differs In Introverts And Extroverts, UI Study Shows
... and posterior thalamus. These areas are typically thought to bemore involved in sensory processing such as listening, watching or driving. The differences in cognitive style and sensory-processing relate to thequalities associated with introversion and extroversion. True introverts arequiet, inwardly focus...Researchers Uncover Clues About Gateway To The Brain
...," he says. He looked at the epithelial cell layer thought to serve as this barrier in thechoroid plexus, which also is called the blood-cerebrospinal barrier, todetermine whether Pgp or a related transporter was there. Both Pgp and themultidrug-resistance associated protein (MRP) are known to transport thet...Antibiotics Reduce Inflammation In Heart Disease But Effect On Heart Attacks Remains Unproven
...each yearthan any other disease. "We once thought peptic ulcers were unrelated to bacterial infection,but we know today that they can be effectively treated with antibiotics. Weneed to find out if the same could prove true of heart disease," he continues. The ongoing two-year trial reported...New Book Says Cross-Train Your Brain To Increase Mental Function
...them. "It may open up new avenues for your thought processes. It may give youa richer net of connectivity within your brain, so that you have more possibleavenues for solving problems and thinking creatively, and even just rememberingthings," he said. "It may also allay some of your fears abou...People With Brain Injury To Frontal Lobe Don't Get Punch Lines -- Prefer Slapstick Humor!
...emisphere and frontal lobes in general. "We always thought of humor as a defining human attribute, but an intangiblepart of our personality," says Dr. Prathiba Shammi, a graduate of the Universityof Toronto's department of psychology. "Now we know humor can be tested andscientifically scrutinized." Dr. Shamm......85 percent). On the positive side, most physicians thought the law improves collection ofuseful statistics (77-86 percent), the prosecution of perpetrators (72-87percent), and physician responsiveness to treatment (53-73 percent). More than 90 percent of physicians in each specialty said the followingcircu......hese adult supervisors alsoindicated daily if they thought the child was medicated that day or receivingplacebo, and if medicated, whether that medication should be part of the child'scontinued treatment, based on the child's behavior. Parents also rated thechild's behavior at the end of each day. An...New Research Points The Way To Restoring Noise-Induced Hearing Loss In Mammals, Including Humans
...-dependent kinase inhibitors. These inhibitors are thought to prevent thecells that survive damage from noise or other causes from re-entering the cellcycle and dividing and proliferating. In the current research, Rubel and colleagues show that a particularkinase inhibitor, p27Kip1, is expressed in t...New Cancer Procedure At Wake Forest University Baptist Medical Center Offers Hope
...ing a new procedure for malignant tumorspreviously thought untreatable. The procedure is called Tumor Ablation using Radiofrequency Energy. It involvesinserting a special needle into the tumor, using ultrasound equipment as aguide, to destroy the tissue and obliterate the tumor. "The tip of the needle emit...... medication. The survey also showed that53 percent thought the amount of pain medication necessary to make patientscomfortable would prevent the patients from signing a legally binding informedconsent. Informed consent is an important ethical and legal issue for allphysicians. Valid informed consent ...