Sentences with phrase «signals in»

EYE CANDY Researchers grew primitive retinas (one shown, with proteins that collect and transmit light signals in green and red) by embedding mouse embryonic stem cells in a gel.
«Our study is the first to measure these signals in an important cell type in the brain, providing important new insights into early sensory development in mammals.»
Conventional wisdom suggested that mammalian brains transmit their first sensory signals in response to sound after the thalamus fully connects to the cerebral cortex.
The nanosensor amplifies pH signals in tumor cells to more accurately distinguish them from normal cells.
For example, people living with quadriplegia who try to move their arm still generate arm - movement signals in the motor cortex of their brain, even after several years of paralysis.
However, using this new computer algorithm that can effectively find weak signals in a cluttered background, the team can pinpoint their targets in the body.
The findings could also lead to new applications in environmental monitoring using genetically engineered microbes to issue warning signals in the presence of pollutants or toxins, and could unlock new fundamental insights into metabolic pathways.
So, there you have it — the signals from your nose translate and connect to memories in an orchestrated symphony of signals in your head.
In laboratory tests using fruit flies, the researchers discovered that a human genetic mutation that causes Parkinson's amplified visual signals in young flies dramatically.
Neuroprosthetics can not only be controlled through electrical signals in the brain, but may soon provide sensory information through brain - machine - brain interfaces.
«Discovering that these protein interact with other signals in preformed complexes gives us more precise targets for medication development.»
The agents interpret subtle signals in their neighbors» body language and abruptly adjust to avoid smashing into people and other obstacles best avoided.
Researchers were able to filter out signals in the data created by non-dark-matter particles that managed to get inside the experiment.
Several years ago, researchers found that 80 percent of patients with uveal melanoma had mutations to GNAQ or GNA11, genes that activate signals in the mitogen - activated protein kinase (MAPK) pathway.
The Pm3 gene is the «blueprint» for a protein that can receive signals in the plant cell, i.e. a receptor.
If swellings are reliable signals of ovulation males allocate their mating efforts in accordance with these signals in an attempt to maximise their reproductive success.
But they were only able to observe the Martian equator from a limited range of angles, and could not rule out the possibility that Stealth had reflected the signals in another direction, rather than absorbing them.
«Here, we provide one of the first experimental tests of the idea that our unusual vision might be related to detecting social signals in the faces of others.»
Already now, the optoelectronic components developed by the researchers can be used to produce light signals in the gigahertz frequency range from electric signals.
In addition to its known roles in cancerous cells, STAT3 also is an essential mediator of cytokine and growth factor signals in normal cells that are important for diverse processes including immunity and inflammation.
A special feature of the new component is that not only it converts one signal into another, but it can also be used to convert multiple input signals into multiple output signals in a straightforward manner.
At room temperature, it detects signals in the frequency range 330 to 500 gigahertz.
To better understand the potential role of acoustic signals in butterfly larvae integration and adoption by ant colonies, scientists compared two populations of parasitic butterflies: a predatory species that feeds on ant broods, and a cuckoo species that is fed directly by the worker ants.
«My work has focused on developing technology that translates electrical signals in human muscle into signals that control powered prosthetic limbs — such as decoding muscle signals to tell a prosthetic leg that it needs to walk forward or step up onto a staircase,» says Dr. Helen Huang, senior author of a paper on the work and an associate professor in the joint biomedical engineering program at North Carolina State University and the University of North Carolina at Chapel Hill.
Huang's work focuses on technology that translates electrical signals in human muscle into signals that control powered prosthetic limbs.
They found that a handshake alone was sufficient for the transfer of several odors known to serve as meaningful chemical signals in mammals.
J. You / Science; Data: «Climatic signals in multiple highly resolved stable isotope records from Greenland,» Vinther et al, 3 November 2009; «Norse Greenland settlement,» Dugmore et al., 2007; «Human diet and subsistence patterns in Norse Greenland AD c. 980 — AD c. 1450,» Arneborg et al. 2012
The most common, found in nearly two - thirds of the samples, were abnormalities in genes responsible for the androgen receptor — a cell structure that sends growth signals in response to the male hormone androgen.
Once they are in place, Grunwald will record brain signals in real time during seizures and use the information to try to identify the epileptogenic tissue.
Researchers at the Mayo Clinic have developed a device that re-routes brain signals in Parkinsonism disorder patients, allowing them to regain mobility.
Such symptoms are a result of faulty electrical signals in the central nervous system.
Brain oscillations deftly route information in a way that allows the brain to choose which signals in the world to pay attention to and which to ignore, his recent studies suggest.
Atomic nuclei subjected to a magnetic field induce radio - frequency signals in a detector circuit.
Spending time immersed as a virtual character or avatar in a role - playing video game can numb you to realizing important body signals in real life.
Madison, who has studied similar early warning signals in lakes.
So she and her postdocs used tetrodotoxin to halt the retinal signals in fetal cats.
«We often confuse different signals in peripheral vision,» adds neuroscientist and co-author Zhong - Lin Lu of the University of Southern California (USC) in Los Angeles.
The lab designed a prosthesis that uses a technique called electromyography to pick up on electrical signals in the upper arm muscles.
They are loaded with proteins that can detect light, and they produce nervous signals in bright conditions.
The reason computational biology never fully got off the ground before now, he says, is that pharmaceutical companies weren't yet grappling with the kinds of problems that are best - suited to computational biologists: finding useful signals in tremendously large sets of unsorted, noisy data.
They showed that ZIKV infection of cortical progenitors (stem cells for cortical neurons) controlling neurogenesis triggers a stress in the endoplasmic reticulum (where some of the cellular proteins and lipids are synthetized) in the embryonic brain, inducing signals in response to incorrect protein con - formation (referred to as «unfolded protein response»).
Electrical signals in a majority of amygdala neurons mirrored the animal's behavior — they fired more in response to the dangerous tone compared to the safe one.
In a study published in the April issue of the Journal of Neuroscience, Saint Louis University scientists led by professor of pharmacological and physiological sciences Daniela Salvemini, Ph.D., discovered that drugs targeting the A3 adenosine receptor can «turn off» pain signals in the spinal cord to provide relief from chronic pain.
Recent research has shown that the cascade of signals in the proinflammatory immune response tend to cause the amino acid tryptophan to break down into kynurenic acid rather than serotonin, a brain chemical that influences mood.
They found they were able to detect those signals in data from California before the 2014 - 15 Disneyland, California measles outbreak, which showed early warning signs of a tipping point two years before the outbreak occurred.
Besides application programs, such robots would host a suite of software «conditioning modules» that would generate positive and negative reinforcement signals in predened circumstances.
Animal studies have revealed several ways in which opioids may amplify pain signals in the central nervous system, suggesting targets for drugs that could counter the effect.
For example, being hungry affects the body, and signals associated with metabolism, as well as signals in the brain.
Initially, when participants were asked to imagine walking in the virtual environment, scientists didn't observe the expected signals in the areas associated with motor control of their legs.
The electrical signals in the muscles are sensed by electrodes on the skin.
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