Drug That 'Tags' Decision-making Areas Of The Brain May Aid
...cortex, areas that are responsible for learningand memory as well as reasoning, planning, problem solving and emotion.According to Mukherjee, patients with Alzheimer’s disease have beenknown to have a 30 percent to 50 percent loss of these receptors “Ifthere is a gradual loss of these receptors over time, N...Researchers Uncover Key Step In Manufacture of Memory Protein
...e current study may provide insight into long-term memory deficits. She explained that other researchers have learned that some human beings lack normal CPE due to mutations in the CPE gene. Future research may determine if the CPE mutation affects these individuals?long-term memory. ...Nanogen Issued Patent for Electronic Microarray With Memory
...erforming molecular diagnostic tests. Using local memory circuits provides for precise control of the currents delivered to individual electrodes on the array, while minimizing the utilization of "off-chip" circuitry and overall system costs. The electric potential is controlled at each of the NanoChip's 4...Gene Vaccine Protects Mice Against Development Of Her2/neu Breast Cancer
...hat treat microbial infections,appears to create a memory in the immune system that produces a lastingprotec...lercells ¯ and which creates a long-lasting immune memory primed to attackbreast cancer cells that are studded with HER2/neu proteins, he says.In the experime...A comprehensive response to HIV could prevent 10 million AIDS deaths in Africa by 2020
...hat treat microbial infections,appears to create a memory in the immune system that produces a lastingprotec...lercells ¯ and which creates a long-lasting immune memory primed to attackbreast cancer cells that are studded with HER2/neu proteins, he says.In the experime...Alcohol's effects on gene expression in the central nervous system
...ptic connections that resemble those that occur in memory and learning. "Learning and memory require enhanced synaptic function between neurons," explained McBride. "Enhanced synaptic function ...Deficiency of growth hormone and IGF-1 reduces cancer and kidney disease, but creates other problems
...so may lead to cartilage degeneration and impaired memory and learning ability, according to research at Wak...es. The researchers used several tests to measure memory and learning. They found that growth-hormone-deficient rats had impaired learning ability compared t...VCU Researchers Identify Networks Of Genes Responding To Alcohol In The Brain
... to be an important mechanism underlying long-term memory and learning, including that which occurs with addiction to alcohol or other drugs, Miles said. In the study, approximately 400 genes were identified as alcohol regulated in at least one brain region of either mouse strain. According to Miles, most ...How an AIDS-Related Cancer Unleashes Inflammation
...and McCormick dedicated the Science article to the memory of Robert Sadler, a former HHMI associate in Ganem's lab who discovered kaposin B. Sadler was killed in 1999 by stray bullets fired into a San Francisco nightclub. According to Ganem, early studies of Kaposi's sarcoma (KS) indicated that the abnorma...Rats infected as newborns grew up vulnerable to memory problems during an immune challenge
...nderstanding how infection in newborns can disrupt memory in immune-challenged adults may help scientists to...ew up, Bilbo and her colleagues tested the adults' memory about 60 days after birth. To test memory, each rat was allowed to explore a novel experimental cham...Supercomputer Dedicated To Bioengineering, Computational Biology Installed
...r its speed, but also because its 428 gigabytes of memory capacity and 20 terabytes of storage will enable r...tational speed with some of our models -- some are memory limited," said McCulloch. "For example, our models of the propogation of an electrical impulse thoro...Chemists identify immune system mechanism for methamphetamine binges
...associated with serious health problems, including memory loss, aggression, psychotic behavior, and potential heart and brain damage. The Skaggs Institute for Chemical Biology (at Scripps) and the National Institute on Drug Abuse provided funding for this study. In addition to Janda and Dickerson, other st...Nanoscale Diagnostic Sets Sights on Alzheimer's
...It's a good bet that the very earliest stage of AD memory loss begins when ADDLs attack key synapses in the brain. We predicted some of these ADDLs would leak into the cerebrospinal fluid, but until now we couldn't detect them. Thanks to the extraordinary sensitivity of the BCA it's been possible to validat...Birds brains reveal source of songs
...ned, pathway compares that variation to the bird's memory of the father's song. Gradually, the bird gets it right more often and eventually sings only the songs of its elders. ...Revolutionary nanotechnology illuminates brain cells at work
...ns. It is involved in everything from learning and memory to mood and perception. Too much glutamate is believed to contribute to conditions such as Alzheimer's and Parkinson's disease. The research is published in the May 30-June 3 on-line early edition of the Proceedings of the National Academy of Science...Mystery Blood Vessel Disorder Implicated In 'Mini' Strokes
...tiple lacunar strokes can also cause cognitive and memory deficits that resemble Alzheimer's disease. According to the authors, physicians who encounter patients with small vessel disease should look for evidence of dolichoectasia. "If dolichoectasia is present, you should look for an associated abdominal ...Brain Scans Reveal How Gene May Boost Schizophrenia Risk
...ation, learning in response to reward, and working memory ?functions impaired in schizophrenia, which is tho...verall brain activity while they performed working memory tasks. The second scan used a dopamine tracer to reveal the synthesis of the neurotransmitter in the...The evolutionary triumph of flower power
...otional reactions, mood, social behaviors and even memory in both men and women. The results of these three ...in a retirement community ?an environment in which memory is often a personal concern. All 113 got flowers, some at the beginning of the study with a follow-u...To sea or not to sea: When it comes to salmon sex, size sometimes doesn't matter
... stream but then go elsewhere? Do they have poorer memory or sensory capabilities and so stray out of ignorance? Or are there other factors involved? "These strays are not merely an aberration to be ignored. Much of the present range of Pacific salmon was covered by thick glaciers some 10,000 to 15,000 yea...Structure-building cell signals also may influence learning and memory
...n of glutamate receptors is crucial to maintaining memory and learning. The strength of a signal through a n...e). "The balance has to be optimal, since too much memory activation can also be a problem," said Yamaguchi. Yamaguchi's team, which worked on this project f...NHGRI targets 12 more organisms for genome sequencing
... been a very useful model in studying learning and memory in humans. Aplysia have very large neurons which can be manipulated and studied easily by researchers. In 2000, Eric Kandel, M.D., of Columbia University in New York, shared the Nobel Prize in Physiology or Medicine for his work elucidating how memor...Researchers test new therapy for advanced melanoma
...ejected. This indicates the immune system formed a memory response that recognized the melanoma cells as foreign and prevented tumor regrowth. "We were very encouraged by the results of the preclinical studies." Dr. Heller said. "We're hoping this translates into a beneficial treatment for patients." The ...Mice brains shrink during winter, impairing some learning and memory
... of winter, white-footed mice had impaired spatial memory ?the mental map that helps them remember important...daylight for 13 weeks. Their spatial learning and memory were tested using a water maze test in which the mice had to swim to find an escape platform hidden ...Researchers reveal secret of key protein in brain and heart function
... a role in everything from cardiac contractions to memory creation. Results are published in The Journal of ...alled glutamate that is essential for learning and memory and also plays a role in drug addiction. A similar scaffolding mechanism is at work in the heart, wh...Protein synthesis can be controlled by light, opening way for new scientific, medical applications
...ed at understanding the mechanisms of learning and memory at the molecular and cellular level," said Dore. The technique could also be used in drug discovery and development, though it is much more likely to be used in advancing knowledge about biological systems. ...Researchers make headway in mystery of migraines
...nzyme). "Much of what happens in your brain--from memory to basic movement--is the result of the transmission of electrical impulses along nerve cells," says Dr. Blostein. "This is a basic process by which our brain cells communicate." By expelling sodium from the cell, and drawing potassium from outside, ...Chickadees can help humans get their bearings
... little birdie told them. In studying the spatial memory of wild-caught mountain chickadees, University of Alberta researchers were surprised to discover the birds contradicting prior research that showed how animals navigate. This study is the first to reveal a different pattern. Previously, only animals ...Speak up: Louder neurons form more connections
...arbors with more connections that help retain that memory for the future. Likewise, neurons stimulated by engaging toys or experiences will probably create larger arbors than similar neurons in less exciting conditions. “We are looking at a dynamic part of development,?Smith said. “These are the connection...Confirmation of human protein interaction data by human expression data
...arbors with more connections that help retain that memory for the future. Likewise, neurons stimulated by engaging toys or experiences will probably create larger arbors than similar neurons in less exciting conditions. “We are looking at a dynamic part of development,?Smith said. “These are the connection...Montreal researchers probe the genetic basis of memory
...nal control of hippocampal synaptic plasticity and memory by the eIF2a kinase GCN2, which was published in t...rotein synthesis is critical for the regulation of memory formation. This new discovery is the fruit of an international collaboration. The work of McGill r...Genomic sequences processed in minutes, rather than weeks
...r has 1,960 processors ?a big machine with lots of memory and the ability to tackle large problems. However, without special modifications, software doesn't run any faster on it than it would on a personal computer. In order to get answers to complicated biological questions more quickly, PNNL researchers "...Divergent life history shapes gene expression in brains of salmon
... instance, that genes associated with learning and memory would be expressed at higher levels in the brains of sneakers. It's not yet clear why disparities like this would arise." Aubin-Horth says it is impossible to tell as of yet whether the changes in gene expression are a cause or effect of the various...Snapin: A protein with therapy potential for autism
...s a drug target in therapies aimed at learning and memory disorders. The article will appear in the journal Molecular Biology of the Cell but appeared online today at MBC in Press ( www.molbiolcell.org/in_press.shtml ). While disorders like autism may arise from a multiplicity of causes, research at the ce...Gambling monkeys give insight into neural machinery of risk
...h out of getting a big reward that obliterated any memory of all the losses that they would experience following that big reward," said Platt. Confident that they had developed a valid animal model that would reveal insights into the brain mechanism for assessing risk, the researchers next explored the neu...HIV Therapy Greatly Extends Life of Key T Cells, Scientists Find
...never encountered an infectious agent; and central memory cells, those that have encountered an infectious agent before and are primed to respond quickly if they encounter the same agent again. The new data complement clinical observations suggesting that IL-2’s effects on HIV disease progression may becom...U of MN researchers reverse memory loss in mice
...t the University of Minnesota were able to reverse memory loss in mice with significant brain degeneration f...e so they developed dementia; the mice experienced memory loss that worsens over time and had brain atrophy similar to what a person with Alzheimer's disease ...MERIS monitoring tracks planetary photosynthesis levels
.... A Grid provides its user with massive amounts of memory and processing power in order to tackle very complex tasks. ESRIN has taken up Grid computing as a means of supporting its primary task: to archive and distribute an ever growing volume of Earth Observation data. Since the start of this year the Ea...Targeting a key enzyme with gene therapy reversed course of Alzheimer's disease in mouse models
...ease, scientists were able to reverse the rodents' memory loss by reducing the amount of an enzyme that is c...month of treatment, mice that had already suffered memory deficits could learn and remember how to find their way through a water maze," says co-author Robert...Methamphetamine Abuse, HIV Infection Cause Changes in Brain Structure
...mory), basal ganglia, and hippocampus (involved in memory and learning). The scientists stress that among the recent methamphetamine abusers in the study, the degree of volume increase in the parietal cortex was associated with worse cognitive function. “In HIV-infected people, the cognitive impairments a......sity in China have identified where emotional fear memory and pain begin by studying the biochemical process...y imprinted in the brain." Zhuo says that fear memory does not occur immediately after a painful event; rather, it takes time for the memory to become par...Old drug shows new promise for Huntington's Disease
...causes changes in personality, progressive loss of memory and cognitive ability, and a characteristic uncontrolled jerking motion known as Huntington's chorea. There is no known cure or effective treatment. A person who carries the mutant Huntington's gene may pass it on unknowingly because the disease ofte...New study finds how cells with damaged DNA alert the immune system
...immune cell that acts as a sentry with a long-term memory of prior invaders. These cells stand ready to find and destroy cells infected by viruses before the virus can spread. "We don't have direct information about the role of the DNA damage pathway in regulating immune responses to infectious diseases, b...Renewed hope for Parkinson's patients
...immune cell that acts as a sentry with a long-term memory of prior invaders. These cells stand ready to find and destroy cells infected by viruses before the virus can spread. "We don't have direct information about the role of the DNA damage pathway in regulating immune responses to infectious diseases, b...New research puts a fresh spin on current thinking of speech evolution in humans
...shared from past experience and which is stored in memory for the service of communicative acts," explains Dr. Petrides. "That is, Broca's area may have evolved originally as an area exercising high-level control over oral and facial actions, including those related to communicative acts, and that, in the h......galanthamine, a leading drug in the alleviation of memory loss symptoms. The University's Manufacturing Engineering Centre is now helping a company Alzeim Ltd (supported by Glasu, the EU funded LEADER+ Programme in Powys) to develop the agricultural potential of the daffodil as a medicinal plant along with...Prenatal exposure to marine toxin causes lasting damage
...ding an increased susceptibility to disruptions of memory -- persisted into adulthood, he said. The findin... domoic acid. The incident led to three deaths and memory loss in several others. First detected in the U.S. on the Washington coast in 1991, domoic acid is...Grabbing addiction by the tail
...e several types of glutamate receptors involved in memory and learning, but because the artificial peptide specifically targets only the deleterious internalization process of addiction-affected neurons, and not normal receptor function, the animals who received it behaved normally and were able to learn as...Research Permits First-Ever Visualization of Psychological Stress in the Human Brain
... to perform executive functions -- such as working memory and goal-oriented behavior -- that permit humans to adapt to environmental challenges and threats. "The message from this study is that while stress may be useful in increasing focus, chronic stress could also be detrimental to mental health," conclu...Natural compound from 'pond scum' shows potential activity against Alzheimer's
...se -- a brain chemical thought to be important for memory and thinking -- whose breakdown has been associated with the disease's progression. The natural compound's potency is comparable to galanthamine, a cholinesterase inhibitor already approved for the treatment of Alzheimer's, the researchers say. As w...Researchers develop new method for studying 'mental time travel'
...o learn more about how people mine the recesses of memory and could have a wide-ranging impact in the field ...tudied the pictures. This supports the theory that memory retrieval is a form of mental time travel. In addition, by measuring second-by-second changes in ho...New neurons take baby steps in the adult brain
... dentate gyrus, which is thought to be involved in memory and spatial reasoning, or navigation. It is one of the few parts of the brain where new neurons form throughout life and are integrated into the existing network of cells. The researchers also figured out why the mouse's new neurons were excited by ...Researchers know what you were about to say; fMRI used to detect memory storage and retrieval
...have provided evidence that the act of recalling a memory is a bit like mental time travel. Their study, pr... attempts to recall that event ?seconds before the memory surfaces. "This study shows that, as you search for memories of a particular event, your brain sta...Gene controls whether fear is a factor
...leasant, an indication that the mice lack a normal memory for fear. "While one of the best understood memor...ockout mice, which lack the gene, show a decreased memory for fear and fail to recognize danger in innately aversive environments." By contrast, he added, th...Scientists map one of biology's critical light-sensing structures
...onse days after it is sensed, Vierstra says. "This memory allows the plant to predict where the light will come from each day and measure the length of daylight so that they flower in the correct season." By deducing the architecture of the phytochrome protein, according to Vierstra and Forest, it may be po...Neurons generated in the adult brain learn to respond to novel stimuli
...icity and can contribute to important learning and memory functions of the brain, suggesting that similar, n... areas of the brain ?including those involved with memory and the sense of smell ?well into adulthood. Very recent work, in particular a number of studies fro...Team led by Carnegie Mellon University scientist finds first evidence of a living memory trace
...am of scientists for the first time has detected a memory trace in a living animal after it has encountered ...eer within the living brain and explore short-term memory as never before, according to scientist Roberto Fernández Galán, a leading author on the report who ...Clocking in Pillow Time without the Pillow
...d Match-To-Sample, which measured both accuracy of memory and speed of recall. In the behavioral test, the m...rops off in brain areas previously associated with memory tasks—namely, the prefrontal cortex, the dorsal striatum, and the medial temporal lobe. However, whe...Noise And Delays Explain Why Some Genes Oscillate In Activity
...d Match-To-Sample, which measured both accuracy of memory and speed of recall. In the behavioral test, the m...rops off in brain areas previously associated with memory tasks—namely, the prefrontal cortex, the dorsal striatum, and the medial temporal lobe. However, whe......ense of how well they feel about themselves, their memory and their perception of pain. And it's known that people who don't make enough of prodynorphin are vulnerable to drug addiction, schizophrenia, bipolar disorders and a form of epilepsy. So, we reasoned that humans might uniquely need to make more of ....... "Here is a drug that affects a key learning and memory pathway, and completely rescues the most common genetic cause for learning disabilities. We don't have to do extensive clinical trials for toxicity or safety ?these were already completed for other uses." ...