Breakthrough? Study Finds Dopamine Cannot Be Source Of Pleasure In Brain
...carbon fiber electrode one tenth thethickness of a human hair and coating it with glass. "When implanted in rat brains, this micro-sensor allows us for the firsttime to measure very small amounts of chemical messengers, or neurotransmitters,on a split-second time scale," Wightman said. "That was no...In Battle For Attention, Left Side Of Brain Wins Over The Right, UF Researchers Find
...omed to driving in the rightlane, in some ways the human brain might be better suited to left-sidenavigation, a new University of Florida study suggests. "In our laboratory experiment, which did not involve driving, we foundthat the brain may pay more attention to faraway distractions when they areon the l...Acetylcholinesterase Inhibitors May Be Another Piece In Alzheimer's Jigsaw
...inesterase inhibitor treatment or the considerable human and economic costs of Alzheimer's disease." Contact: Professor Michael Rsler, Head, Sektion Gerontopsychiatric, Psychiatrische Universittsklinik, Wrzburg, Germany ENTER E-MAIL ADDRESS HERE roesler@rzbox.uni-wuerzburg.de or Dr Tony Bayer, Director,...Scientists Link Body Weight Regulation And Immune System Control
...searchers also showed that a large fragment of the human mahogany proteinis released into the bloodstream where it goes by a different name, attractin.This circulating form of attractin was only recently discovered in humans andwas shown to mediate communication among T cells and other white blood cellstha...New U-M Analysis Of Brain At Work
ANN ARBOR---A new analysis of the human brain at work, to be published in theMarch 12 issu...ing, the frontal cortex comprises one-third of the human brain, aproportion much larger than in other primates, Smith notes. "Damage to the prefrontal cortex......n indicator ofrisk for Down syndrome. If free beta human chorionic gonadotropin (hCG) ispresent in high concentrations, and pregnancy associated plasma protein A(PAPP-A) is low, the baby is considered to be at high risk. It also has beenfound that fetuses with Down syndrome and other abnormalities tend to ...Canada's Most Powerful Supercomputer Now At Sick Kids
...iences than has been previouslygenerated in all of human history. The emerging science of bioinformatics --...rtant information. Understanding thestructure of a human protein can help us design more effective drugs. Theability to rapidly compare gene sequences can be...Novel Biological Interaction Found To Explain Blood Vessel Growth To Tumors
...een underway in the lastyear to produce a drug for human cancer therapy based on the angiostatinmolecule. Pizzo and Moser set out to study what happened when angiostatin "bound" on thesurface of endothelial cells. They looked for where angiostatin's "key" fit intothe cellular "lock" that then shut down ves...Fifteenth Anniversary Of The Multicenter AIDS Cohort Study
...hat has tracked the occurrence and consequences of human immunodefiencyvirus (HIV) in the lives of a group of 5,000 homosexual and bisexual men sincethe early nineteen-eighties, will celebrate its fifteenth anniversary on March31, 1999. Because AIDS in the early eighties was found largely in homosexualme...MIT Touch Lab Research Explores The Hand
...reused to apply controlled stimuli to the hands of human subjects in experimentsto study perception. ...ch Lab research falls into three broad categories: human haptics (thelatter term describes all aspects of hands and how they work), machine haptics(robotic d...Lo-Cal Diet Slows Prostate Cancer In Animals, New Research Finds
...e researcherstransplanted human prostate-tumor cells into mice lacking an immune ...estigators todetermine if human prostate cancer cells might also be sensitiveto the dietary intervention. ...UW-Madison Center One Of Two Sites Nationwide Selected For Clinical Trial Of Cancer Drug
...hosen as one of two sites in the nation to conduct human tests of endostatin, apromising potential cancer treatment that seems to work in part by disruptingthe growth of blood vessels that nourish tumor cells. The National Cancer Institute (NCI) notified the UWCCC early this afternoon ofits participation....MRI Images Using Laser-Polarized Xenon
...bstacles remain before the technology is ready for human use,our results indicate it could be used to monitor perfusion through the heart,lungs and kidneys. In a previous study, we demonstrated the feasibility oflaser-polarized xenon to track regional cerebral blood flow through the brain." According to C...New Chemicals Could Lead To First Bone Growth Pill
...s should be able to be put intopillform. While no human tests have yet been conducted, Dr. Baindur says "thesecompounds are predicted to be useful in the clinical treatment of osteoporosisand relatedbone-deficit conditions, including bone fractures. As bone formation agents,they canpotentially be given a...Tip Sheet: Citrus Limonoids Versus Cancer, Cholesterol And Insects
...cer activities in animals andinhibit the spread of human breast cancer cells in culture. Other studiesindicate limonoids could help lower LDL cholesterol, often called Abadcholesterol, and help plants ward off insects. More than a dozen researchpapers related to these compounds are being presented durin...You Don't Need To Make Sperm Or Even Be Alive To Be A Father
...st time, sperm taken from a dead man resulted in a human birth.Meanwhile, an Italian IVF specialist claims to have produced four babies usingsperm grown in the testes of rodents. Gaby Vernoff, whose husband Bruce died from a reaction to a prescriptionmedicine in 1995, gave birth last week to a baby...National Study Suggests Heart Attack Severity May Be Declining
... is justified in the ongoing effort to reduce the human suffering and financial burden associated with coronary heart disease in the United States," Goff said. "Some of these prevention efforts are paying off."......curvature more steep -- by lessthan the width of a human hair. Although the procedure is not painful, it can be intimidating and it requires alevel of cooperation from the patient. The equipment makes loud noises and thepatient must look at a flashing light for up to two minutes. Before schedulingthe surge...Tiny Tools Give New Meaning To 'Cutting Edge'
...tesextremely fast sonic vibrations that are beyond human perception. Ultrasonicmedical tools have been used for years in cataract surgery, where the vibrationhelps break up and remove cataract tissue. Those devices, made from titanium orother high-performance metals, are very expensive, tend to overheat an...People With Brain Injury To Frontal Lobe Don't Get Punch Lines -- Prefer Slapstick Humor!
...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. Shammi led the study, which was he...