Tag: "connections" at biology news
Society for Psychophysiology Research
... for presentations on cutting-edge research on the connections
between the physiological and psychological aspect...sulting in better physical health, improved social connections
with others, and enhanced positive moods....
UF scientist: 'Brain' in a dish acts as autopilot, living computer
...ntists can decode how a neural network establishes connections
and begins to compute, DeMarse said. When DeMars...extend microscopic lines toward each other, making connections
that represent neural processes. "You see one extend a process, pull it back, extend it out and it...
Deciphering an autism mystery
...es that connect the columns to one another. "These connections
for incoming and outgoing information are analogous to wires in a computer," says Buxhoeveden. In tissue samples from two autistic brains--one a 41-year-old adult and the other a three-and-one-half-year-old child--the mini-columns of neurons...
Early life stress harms mental function and immune system in later years
...ation, and migration of neurons and development of connections
between neurons. Serotonin reuptake inhibitors work by blocking the serotonin transporter (5-HTT) and thus enhancing serotonin transmission. The investigators used a strategy involving drug treatment in normal and genetically engineered m...
Pesticides may promote Parkinson's disease and exercise may offer protection
... nigra, but also preserved the density of cellular connections
originating from that area of the brain," says Dieter Scheller, PhD. "The effects were significant at the low dose and became more pronounced as the doses increased." The study's results suggest that rotigotine has neuroprotective properties, at leas...
Singled out: Spotting mutant neurons in normal brains offers clues to Fragile X
...otein are structurally abnormal and make defective connections
to other neurons. The work is reported by a team l...tically impairs the ultrastructure of the synaptic connections
that are formed by the mutant cells. Taken together, these findings suggest that Fragile X Syndrome ...
UCSD biologists discover chemical important in guiding visual system development
... from the retina to the brain--to form the correct connections
in the brain. In mutant mice where the retinal ganglion cells fired randomly, rather than in well-coordinated waves that propagate across the retina from one cell to neighboring cells, these projections were never refined and remained as they were e...
Prominent physicist Freeman Dyson to speak at NJIT: Promises and perils of genetic engineering
...rum series. The forums are designed to explore the connections
between the technological expertise that students study in the classroom and the real-world geo-political issues that affect the quality of human life. Each talk is designed to open further conversation between the experts and the audience about the ...
...rates that species invasions can decouple critical connections
between ecosystems like streams and forests and have strong effects that propagate across their boundaries to generate ecological surprises. The Matrix Enhances the Effectiveness of Corridors and Stepping Stones Human-modified landscapes have b...
Neuronal excitability may hold key to age-related decline in learning and memory
... or the ability of neurons to change some types of connections
to other neurons. In the new study, funded by the ...mice appear to change some kinds of inter-neuronal connections
more readily than do normal mice of the same age. Furthermore, the aged mutant mice out-performed th...
Declining fish supply linked to wildlife consumption in West Africa, Science study reports
...004 issue of Science , takes a closer look at the connections
between biodiversity conservation and the eradication of poverty. With hopes of promoting clearer understanding, the authors offer four different ways that people and organizations often look at the relationship between biodiversity conservation and ...
A 'repulsive' protein guides blood vessel development
...and plexin-D1also contribute to the development of connections
in the spinal cord. Ginty and his colleagues plan to explore the role of the proteins in neural development, as well as whether the combination is involved in vascular patterning in the limbs....
What colour is that sound?
...sthesia," explains Maurer. "With development, the connections
underlying synesthesia are inhibited in most individuals." People with synesthesia grow up thinking everyone perceives the world the same way they do. They discover their perception is different when they make a comment such as "she's the one with t...
USC-led team of scientists recreates DNA-mending pathway in test-tube
...the details of the NHEJ pathway extends beyond its connections
to cancer and radiation treatment, Lieber notes. "This pathway gets used not just for accidental damage, oxidative damage and radiation damage to DNA, but is also used in the immune system," he explains. "So the immune system would function less well...
UCSB makes important advances in studies of retinal detachment
...wing detachment has been assumed to alter synaptic connections
between nerve cells and in doing so have an effect on visual outcome including reduced visual acuity or changes in color vision," said Lewis. Photoreceptors in the eyes are among the most highly metabolic cells in the body, using more energy than any...
Femtosecond laser technique opens new opportunities for research on neural regeneration
...holm's lab. The Cinars met Yanik through personal connections
and initially discussed possible collaboration about a year ago. Yanik later told them about the femtosecond laser and how other researchers had begun using it in biological systems to surgically destroy extremely tiny structures. "When Yanik descri...
Blocking cell suicide switch fails to stop prion damage in mouse brains
... of mice. "The neurons were still alive, but their connections
were damaged or missing," Harris says. "This discovery really has changed the way we think about future directions for our work." According to Harris, future research will include studies of how prions damage the synapse and whether the clumps of pri...
Genetic predisposition can play an important role in development of lung cancer
...ncovering the familial component by revealing more connections
between patients, missed in most other populations," the authors write. The researchers found that a familial factor for lung cancer was shown to extend beyond the nuclear family, as evidenced by significantly increased risks for first-degree relati...
An unusual RNA structure in the SARS virus offers a promising target for antiviral drugs
...cular Biology of RNA. The strong interdisciplinary connections
within the RNA center were a key to making the project possible, Scott said. The investigation brought together bioinformatics experts Baertsch and Haussler, who performed the computational sequence analysis of the genomes of SARS and related viruses...
New painkiller was born in Utah
... the transmission of nerve signals through certain connections
or synapses between nerve cells. Olivera and Yos...its do normally by seeing what goes wrong when the connections
are blocked, Olivera says. The university didn't patent omega-MVIIA because the substance "didn't...
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