Tag: "memory" at biology news
How ants find their way
...e researchers refined their research on ant visual memory
selection in lab experiments. Research leader, Pro...oscience, explained: "To show that ants use visual memory
to navigate we trained ants to find food 10cm from a cylinder. We then doubled the size of the cylin...
HIV exploits competition among T cells
...ic sin. Original antigenic sin is the tendency for memory
immune cells produced in response to a first viral infection to suppress the creation of new immune cells in response to a second infection by a related strain. The second type of competition, immunodominance, occurs when several viral strains simult...
16 outstanding researchers receive Singapore's highest honor in science and technology
...e, self-tightening suturing thread made from shape memory
polymers. At the same time, Assistant Professor Phee is working on using ultrasound and CT imaging, coupled with mechatronics technologies to enable liver tumors to be localized during liver resection surgery. Assistant Professor Phee's significant b...
Train your brain to hear your friends at a party
...ngham. The Pauline Ashley Prize, established in memory
of the charity's founder, Lady Ashley of Stoke, is awarded annually to a talented young scientist near the beginning of their career and undertaking research into deafness, or a related condition such as tinnitus. Most people with a hearing impair...
Scientists debate the neurobiological underpinnings of amnesia
...they simply irretrievable? Is amnesia a defect in memory
storage, or memory
recovery? This has been a vexed question for more than 30 years. Most psychologists tended to supp...
Cabernet sauvignon red wine reduces the risk of Alzheimer's disease
...antly reduces AD-type -amyloid neuropathology, and memory
deterioration in ~11-month-old transgenic mice tha...ificantly reduced AD-type deterioration of spatial memory
function and A neuropathology in mice relative to control mice that were treated with either a compa...
Long-term lead exposure linked to cognitive decline in older adults
...e-hand coordination, executive functioning, verbal memory
and learning, and visual memory. The study found higher tibia lead levels were consistently associated with worse cognitive performance on tests. "The analysis showed the effect of community lead exposure was equivalent to two to six years of agin...
Defects in crucial brain protein implicated in memory loss
...is, in Belo Horizonte, Brazil. The second test of memory
was similar to the first, but instead of giving th...nhibitors to people with Alzheimer's to slow their memory
loss and enable them to perform daily tasks, lessening the symptoms of the disease. Mutant mice tre...
Single genetic defect produces specific cognitive deficit in mice
...c blocks before. The altered mice also showed less memory
of "intruder" mice placed in their cages--evidence...mild cholinergic deficits may cause a more general memory
deficit for recognizing previously learned complex cues, whether social or not. Future detailed inve...
JCI table of contents: September 1, 2006
...derived outside the thymus from antigen-stimulated memory
CD4+CD25-FOXP3- T cells. This study has important ...egulatory T cells are derived by rapid turnover of memory
populations in vivo AUTHOR CONTACT: Arne N. Akbar Windeyer Institute, London, United Kingdom. Pho...
SUNY Downstate scientists discover memory molecule
...t erase a computer disc. Furthermore, erasing the memory
from the brain does not prevent the ability to re-... chronic pain, post-traumatic stress disorder, and memory
loss, among other conditions. The SUNY Downstate researchers reported in the August 25 issue of ...
Biophysical Society names 2007 award recipients
...es of academic society. The award also honors the memory
of Dr. Margaret Dayhoff, former President of the Biophysical Society, Professor of Biophysics at Georgetown University, and Director of Research at the National Biomedical Research Foundation. </ul In addition, five Biophysical Society members h...
MIT provides first evidence for learning mechanism
...n that the phenomenon is an important learning and memory
mechanism in the hippocampus, the memory
center of the brain. Researchers had found that electrical stimulation of neurons, mimicking the e...
Brain enzyme treatment relieves memory lapse in Alzheimer's mice
...the researchers found they could reverse lapses of memory
characteristic of the debilitating disease. Trea...hat, even in the presence of the plaque, damage to memory
can be reversed." The findings suggest that neurons' protein-ridding machinery, the so-called ubiq...
Biophysical Society names 2007 award recipients
...res of academic society. The award also honors he memory
of Dr. Margaret Dayhoff, former President of the Biophysical Society, Professor of Biophysics at Georgetown University, and Director of Research at the National Biomedical Research Foundation. In addition, five Biophysical Society members have been...
Forsyth scientists develop system for automated analysis of behavior
...mbryos, and are now investigating how behavior and memory
is determined by central nervous system structure....unction. If one wants to find a drug that improves memory
or works as a sedative, single-cell models are not informative. Screens on multicellular models, su...
Study aims to identify schizophrenics at risk for type 2 diabetes
...ys, and not just in the brain. Patients can have memory
and attention problems, wide palates and subtle abnormalities of their fingertips, ear shape and peripheral nerves in their muscles. Psychotic symptoms typically start in late adolescence or early adulthood. "Although psychosis is what we often treat...
A new tool against brain disease
...ating the right receptors might lessen Alzheimer's memory
loss. "One reason people smoke is they feel their thinking may be a little better, with increased attention and focus," McIntosh says, noting that pharmaceutical companies "would like to mimic that positive benefit without all the downsides of cig...
UCLA chemists' study of protein may provide insights into heart disease and cancer
...ems many of the elderly have with hearing, vision, memory
loss and decreased cardiac functioning? "I think we should consider the possibility," Koehler said. "Any health concern that's an energy problem could be related to mitochondrial assembly. I hope my research will answer fundamental questions about ...
Failure of 'scout cells' may lead to cancer in transplant patients
... scientists call them antigen-presenting cells and memory
T cells. Scout cells detect the presence of vir...e infection flares up again, scout cells alert the memory
T cells, which rapidly proliferate and hunt down and kill any cells that contain growing virus or ha...
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