Alzheimer's disease is not accelerated aging
... that affect core memory systems that are severely disturbed in AD," he continued. "We're trying to understand these things on a mechanistic level. With new methods to image amyloid deposition, we can look within the context of how the deposits change structure and function of the brain. Are there antecedent c...Brain's reward circuitry revealed in procrastinating primates
... that the ability to associate work with reward is disturbed in mental disorders, including schizophrenia, mood disorders and obsessive-compulsive disorder, so our finding of the pivotal role played by this gene and circuit may be of clinical interest," suggested Richmond. "For example, people who are depress......y collectively drive the changes occurring on this disturbed landscape. Other speakers in the session will address the status of plants in the area's old growth forests as well as the roles of insects, mammals, and birds in reconstructing the environment post-eruption. The dramatic transformation of Spirit Lak...Summer in the South: Kudzu and oriental bittersweet
...ern United States, and are spreading steadily from disturbed areas into forests. In 2003, SRS researcher James ...e soda-scented blossoms cover millions of acres of disturbed land, forming dense mats over everything, including mature trees. Kudzu is prohibitively expensive t...Ecosystem bounces back from hurricanes
...t the premise that in shallow estuaries frequently disturbed by hurricanes, there can be rapid recovery in water quality and biota, and benefit from the scouring activity of these storms....Lowly weeds may hold promise for curing host of common health woes
...od reasons why weeds adventive species growing in disturbed soil should be particularly useful as medicines," he said. "And one of the things human beings especially after the invention of agriculture are good at is disturbing soil. So it all works out well to have right at hand the plants you need for tre...Genomic imprinting in disruptive spermatogenesis
...normal genomic imprinting could be associated with disturbed spermatogenesis, Professor Mario Sousa and colleagues extracted sperm DNA from 123 men with low or normal sperm counts. All the men with normal sperm counts had correct methylation, whereas 24% of those with low sperm counts showed methylation defect...Labs-on-a-chip to detect milk contamination
...n food packaging that could tell if the package is disturbed or the contents are contaminated. Beebe's group reported in a paper to be published in the journal Electrophoresis that disposable sensors can be manufactured on-demand in an inexpensive process. With collaborator Eric Johnson, Beebe tested the techn...Archaeologists announce discoveries at the ancient Maya site of Waka' in northern Guatemala
... reassembling the buildings and monuments of Waka' disturbed in the centuries since the site's abandonment in the 9th century. "One of our most ambitious projects has been the stabilization of an 18-meter temple pyramid that was structurally undermined by looting," Freidel says. Under the consecutive direction...Transplant rejection averted by simple light exposure in Stanford animal study
.... The Langerhans cells don't change unless they're disturbed in some way, say by inflammation, he said. The scientists surmised that these cells might linger in the skin of a transplant patient and instigate trouble. Their latest experiments bore this out. The researchers tested their theory in two different s...NCAR aircraft, ground instruments to track carbon dioxide uptake
...orne measurements of carbon directly over a large, disturbed area." Forest losses during the 2002 wildfire season in Colorado reversed years of carbon uptake. The amount of carbon dioxide released from trees during the fires equaled an entire year's emissions from statewide transportation activities. As the re...New book urges ecologists to think 'outside the helmet'
...s, heterogeneous landscapes, and habitats that are disturbed such as wave-swept shores and habitats with frequent wildfires, to name just a few. We think we need a niche theory that incorporates that variability.' A recent paper published in Ecology Letters by Chase and hiswife, Tiffany Knight, Ph.D.,...Germ-free transparent fish open new window into gut development
... discovered that several biological processes were disturbed in germ-free zebrafish. These impairments were similar to those the team had documented previously in germ-free mice. For example, the ability to process nutrients was compromised, as was the zebrafish's immune system. Also, the cells that line the i...Major boost for European zebrafish research
...ing normal development, and how this regulation is disturbed in mutants. The generation of thousands of fish expressing Green Fluorescent Protein (GFP) controlled by the enhancer sequences of specific genes. Under UV light, tissues of these fish will light up indicating wherever the respective gene is active. ...Space technology in new technique to fight breast cancer
...atment. Usually the magnetic resonance imaging is disturbed by the ultrasound therapeutic system, but Brunsveld van Hulten has managed with the help from ESA's experts to adjust signal frequencies and phases in such a way that a physician using ActiveFU can perform the intervention and at the same time follow...Can EPO prevent loss of brain function in schizophrenia?
...ast decade it has become clear that in addition to disturbed brain development, continuous neurodegenerative processes are involved in the progression of this brain disease. Nevertheless, molecular and cellular mechanisms accounting for the various dysfunctions of schizophrenic psychosis are far from clear. Ex...Wolves are rebalancing Yellowstone ecosystem
...eractions between plants, animals, and wildlife in disturbed ecosystems across much of the American West, and perhaps elsewhere in the world, the scientists say. In some areas of the West, the disappearance of up to 90 percent of the aspen trees has been documented - another species of plant that is also highl...Can heart failure impair thinking?
...irway dimensions, indicates a CNS component in the disturbed breathing in HF. The collective evidence of disordered breathing during sleep, altered autonomic activity, and presence of cognitive deficits, with all characteristics occurring without obvious motor or primary sensory symptoms, suggests neural dama...Hormonal changes in satisfied and dissatisfied shift workers across a shift cycle
... that the low levels of testosterone may be due to disturbed sleep and/or a high sleep need, which in turn may ...sterone levels, and that the latter are related to disturbed sleep/wakefulness and an increased need for sleep and recovery. In addition, working an entire shift......ansport non-native seeds into uninfestedareas, and disturbed roadsides give weed seeds a place to grow. In the April issue of Conservation Biology, UC Davis doctoralcandidate Jonathan Gelbard and research ecologist Jayne Belnap of theU.S. Geological Survey report a study of plants along 42 roads in andaround U...