Nanotech safety needs specific government risk research strategy and funding
...d when prioritizing research." "It is important to remember that risk research has a purpose--to protect people and the environment from harm." Maynard emphasizes that "While exploratory research has its place, it is not always the best model for providing workable answers to definite questions needed by regu...Why is it that amnesia patients can't remember their names or addresses, but they do remember how to hold a fork? It's because memories come in many flavors, says Fred Helmstetter, professor of ...Imaging pinpoints brain regions that 'see the future'
...nding that if you have an amnesic person who can't remember the past, they're also not at all good about think...ame is true with very small children -- they don't remember particularly what happened last month and they can't really tell you much of anything about what the...If I can't remember this morning where I put my car keys last night, it's due to my memory failing me again. Scientists at the Max Planck Institute for Medical Research in Heidelberg have been investigating how memories might be consolidated. Their new study offers the ...Proteins anchor memories in our brain
...se and thus its ability to hold what we learn and remember changes when there is a change in the number of s...says. "You need to keep them there." So what we remember and learn is, in effect, anchored to nerve cells in our brain. "Our synapses are in a constant s...Memories: It's all in the packaging, scientists say
...what you didn't put into it. It is not possible to remember things later if you didn't pay attention to them i...ginally appeared. If the participant could later remember the color of the word, a particular area of the brain associated with color processing was especiall...Moderate drinking may boost memory, study suggests
...lcohol moderately improved the animals' ability to remember this negative event, since they seemed hesitant to go into the dark area," During said. "It also suggests that high levels of alcohol can reinforce bad memories. "People who drink to forget bad memories may actually be doing the opposite by reinfor...Researchers add to understanding of how brain cells communicate
An hour from now, will you remember reading this? It all depends on proteins in your b... causing the synapse to be strengthened and you to remember that "hot stove = pain." Another type of NMDA receptor that is thought to help sculpt memories is c...Scientists find a key to immune system's ability to remember
...how the key cells of the immune system are able to remember old foes and quickly mount a response to hold them at bay. Writing this week (Oct. 23, 2006) in the Proceedings of the National Academy of Sciences (PNAS), a team of researchers led by University of Wisconsin-Madison researcher Marulasiddappa Suresh...Research team identifies human 'memory gene'
...and a senior author of the paper. "The capacity to remember is a defining feature of humans and we can now use...memory potential had to tax their brains harder to remember the same amount of information," said Dr. Dominique de Quervain, professor at the University of Zuri...News tips from the Journal of Neuroscience
...eturning to normal body temperatures. Whether they remember where they buried their acorns remains to be tested. Too Much Dopamine and Mouse Awakenings Kafui Dzirasa, Sidarta Ribeiro, Rui Costa, Lucas M. Santos, Shih-Chieh Lin, Andres Grosmark, Tatyana D. Sotnikova, Raul R. Gainetdinov, Marc G. Caron,...Tiny Tampa Bay fish key to evolution of immune system
...ustomize its response to an array of pathogens and remember the encounter for future reference. "We were asking the question why and where did this sharp division occur? What were the most primitive organisms that exhibit the molecules that we use in our adaptive immune systems?" Ostrov said. "In this study...Copper circuits help brain function -- could tweaking the circuits make us smarter?
...- accounts for, among other things, our ability to remember and learn. "Why don't we think a hundred times better than we do?" asks senior author Jonathan Gitlin, M.D., the Helene B. Roberson Professor of Pediatrics at Washington University School of Medicine. "One answer to that question is, perhaps we coul...Slow brain waves play key role in coordinating complex activity
...r in the hundreds of thousands. "When you have to remember a new phone number or attend to moving cars as you cross an intersection, you'll have an increase in the strength of the theta rhythm in many different brain regions," Canolty said. "The idea is that this theta rhythm might be more of an executive co...Defects in crucial brain protein implicated in memory loss
...ble those in Alzheimer's, such as the inability to remember familiar faces, according to the researchers. The crucial protein recycles a chemical called acetylcholine that carries messages between nerves cells, the scientists said. "By using these genetically engineered mice as models of Alzheimer's, we can l...How did our ancestors' minds really work?
...lopment process unique to humans. Being able to remember and relocate particular places where there is food is an asset to any species. There are two basic strategies for remembering the location of something: either remembering the features of the item (it was a tree, a stone, etc.), or knowing the spatia...Single genetic defect produces specific cognitive deficit in mice
...reduced transporter were equally able to learn and remember to avoid a mild shock. However, the reduced-transp... in object recognition--significantly less able to remember that they had encountered specific-shaped plastic blocks before. The altered mice also showed less m...Under certain genetic circumstances, naltrexone may increase the urge to drink
...tion that predicts response to NTX." "We need to remember that genes are not deterministic," said Anton. "Having a certain gene makeup does not mean that you will have a disorder. In all complex genetic disorders, such as alcoholism, it is not likely that one gene will cause the problem. It is likely tha...'Friend' protein keeps nerve signals in check
...versity of Illinois at Chicago. "It's amazing we remember things from as far back as our early childhood with the constant protein turnover going on in our brains," said Richmond. "So understanding how proteins function to control synaptic strength is really important." Richmond and her colleagues used th...Johns Hopkins researchers find link between cell's energy use and genome health
...hat breaks down food in the stomach also helps you remember telephone numbers or that preventing such digestion makes you forget them," Boeke added. The research, to be published in the July 21 issue of Molecular Cell, could lead to new strategies one day to slow aging and treat cancer, events closely linke...