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Stimulus in Biological News

NIH stimulus funding supports Emory biomedical scientists

... so far, supported by more than $10 million in stimulus grants from the National Institutes of Health, ... for summer research positions. Emory's stimulus grant funding is highlighted at ... is expected to award a total of $10.4 billion in stimulus grants. Funds provided by the ARRA must be used ...

Bull's-eye electrode helps interpret thoughts, deliver stimulus to aid paralyzed, epileptic patients

... is also being studied as a means of delivering a stimulus to control epileptic seizures. Unlike the ... a therapeutic manner to administer an electrical stimulus to a precise location in the brain to control ... From his research findings, he believes that a stimulus provided through his electrode could be ...

Saving the economy and saving the planet

... climate change but indeed would act as a direct stimulus package without straining the government's ... climate change agendas. "First, any fiscal stimulus in the Budget will have to be far more low-carbon ... why all the public investment in any fiscal stimulus package should not support low-carbon objectives. ...

An end to fear

... of the spider images was accompanied by a pain stimulus and the other was not. Eventually the human ... upon seeing the first spider without the pain stimulus being administered. The anxiety for this spider ... the patient is exposed to the fear-eliciting stimulus without the feared consequence occurring. This ...

Neural mechanisms of value bias in the human visual cortex

... on decision making and that the value of a stimulus modulates the activity of neurons involved in ... primarily driven by the reward history of each stimulus and not to self-reported estimates of stimulus value. "This result raises the intriguing ...

Mechanism and function of humor identified by new evolutionary theory

... become clear that it is not the content of the stimulus but the patterns underlying it that provide the ... does, nor why two people can laugh at the same stimulus for different reasons. The theory further ... are surprised by recognizing it, we will find the stimulus amusing. "As a second example, related to the ...

Irritating smells alert special cells, NIH-funded study finds

... in 1826. Muller said that the way we perceive a stimulus depends on the nerve or sensory system that conveys it rather than the physical nature of the stimulus itself. In the case of irritating odors, we ... chemosensory cell uses to convert a chemical stimulus to a signal it relays to the trigeminal nerve. ...

1 person out of every 1,000 has synaesthesia, in which an individual can smell a sound

... senses by which the perception of a determined stimulus activates a different subjective perception with no external stimulus (in science, the evoker stimulus is called inducer and the additional experience ...

NSF announces funding for Alaska Region Research Vessel

... be the first project funded from NSF's portion of the nation's economic stimulus funds, the American Recovery and Reinvestment Act. The research vessel ... has allowed funding of this research platform as part of the economic stimulus funding. UAF has a welder-ready project that will benefit both the economy ...

Investigating the development of mechanosensitivity

... root ganglia between the intervertebral discs. The neurons receive the stimulus and convert it into electrical signals that are conveyed to the brain. ... of pain signals to the brain. Very little, however, is known about how stimulus sensitivity actually emerges. Using the patch-clamp technique in ...

MIT: Making waves in the brain

... of sensory signals. They found that the brain's response to a tactile stimulus was greater or smaller depending on exactly where the stimulus occurred within the oscillation cycle. "It supports the idea that these ...

Novel electric signals in plants

... follow all-or-none characteristics: they are activated if a certain stimulus threshold is reached and then spread constantly. The "system potential", ... carry different information at the same time: The strength of the inducing stimulus (wound signal) can influence the amplitude of the systemic signal as well ...

Predatory bacterial swarm uses rippling motion to reach prey

... This adaptive ability to control movement in response to an environmental stimulus is called chemotaxis, and the research team coined the term predataxis to ... strains were deficient in predation. "Our study really connects the stimulus to the behavioral response through this molecular machinery," Kirby said. ...

Moths with a nose for learning

... caused by the onset. The group found that the interval between the odor stimulus onset and sucrose reward was crucial to whether or not the insect learned ... did not learn as well. Moreover, if the researchers used a long odor stimulus and administered the sucrose just after the offset signal (long after the ...

Distinguishing between 2 birds of a feather

... would allow." Neurons in the primary visual cortex only respond when a stimulus appears within a window covering a small part of the visual field that the ... sees. This window is known as the neuron's "receptive field." Whenever a stimulus enters the neuron's receptive field, the cell produces a volley of ...

Neuronal circuits able to rewire on the fly to sharpen senses

... associate professor of biological sciences at Carnegie Mellon. When a stimulus such as an odor is encountered, many neurons start to fire. When many ... filtering out noise from other neurons. By filtering out the noise, the stimulus can be more clearly recognized and separated from other similar stimuli. ...

Computer savvy canines

... them with contradictory information: on the one hand, a new positive stimulus as the pictures contained dogs even though they were new dogs; on the other hand, a familiar negative stimulus in the form of the landscape. When the dogs were faced with a choice ...

ComCam Selected by ePortation on New Maritime Domain Awareness Project

... seaport security solution." The two companies have teamed to assist additional Ports under the American Recovery and Reinvestment Act of 2009 stimulus specifically targeting the $150m Port Security Grant Program (PSGP) http://www.fema.gov/government/grant/psgp/index.shtm ePortation, Inc. ...

National assessment done on potential invasive snail and slug pests in US

... Manoa. "Nevertheless, it is an important first step. We hope it will not only be invaluable information to protect the U.S., but also to serve as a stimulus to increase research efforts regarding these poorly understood animals." ...

Researchers see evidence of memory in the songbird brain

... cell to translate individual genes into the proteins that do the work of the cells. Any surge or drop in the number of mRNAs in brain cells after a stimulus offers clues to how the brain is responding. Some genes were upregulated within 30 minutes of exposure to a new song, the researchers found, and ...

MSU researchers receive $400,000 in first wave of stimulus funding

... Michigan State University professors have received a total of nearly $400,000 for their cardiovascular research projects as part of the first wave of stimulus funding from federal agencies. The money, from the National Institutes of Health via the American Recovery and Reinvestment Act, will help to ...

MCG researcher among first to receive NIH stimulus funding

... AUGUSTA, Ga. A Medical College of Georgia nurse researcher is among the first in the nation to receive National Institutes of Health stimulus funding through the American Recovery and Reinvestment Act of 2009. The two-year, $147,000 grant will support at least three jobs and the research ...

Preclinical work shows how one gene causes severe mental retardation

... and co-senior author of the study. "We looked at the visual cortex, because in this well-studied model, we could precisely control the sensory stimulus and study the mice in the light or the dark. We speculated that similar deficits may be happening in areas of the cortex that are important for ...

When cells reach out and touch

... cell-to-cell contact revs up the manufacture of these small but mighty molecules. "This study documents one of the very few clear examples of a stimulus that directly influences the global efficiency of microRNA production," says Josh Mendell, M.D., Ph.D., an assistant professor in the ...

Dolphins maintain round-the-clock visual vigilance

... without a break. Their auditory vigilance remained as sharp as it had been 5 days earlier. Next Allen Goldblatt and Don Carder designed a visual stimulus to test the dolphins' vigilance while they continued listening to the repetitive beeps. Knowing that the dolphins' binocular vision is limited ...

Fish may actually feel pain and react to it much like humans

... been through an aversive experience." Garner believes that the morphine blocked the experience of pain, but not behavioral responses to the heat stimulus itself - either because the responses were reflexive or because the morphine blocked the experience of pain, but not the experience of an unusual ...

First neuroimaging study examining motor execution in children with autism reveals new insights

... many skills," said Dr. Mostofsky. "Whether they are complex social skills or simple motor skills, they all begin with the brain responding to a stimulus and learning the appropriate response. In this way, studying motor skills provides important information about how the brain of a child with autism ...

Winners announced in the Elsevier Grand Challenge

... when I say that we're all really happy and proud to have received the award," said O'Donoghue of the Reflect team. "The event has been fantastic stimulus to not only my team but all the teams here, and we plan to collaborate with quite a few of those teams." "The tool has taken more than half a year ...

Red pandas reveal an unexpected (artificial) sweet tooth

... "Asking a behavioral question and getting a molecular answer." Future studies will explore how protein structure of taste receptor genes predicts stimulus binding and ultimately provide insight into how variations in taste receptor genes affect taste perception, food choice and nutritional status. ...

MIT: How you feel the world impacts how you see it

... Moore of the McGovern Institute for Brain Research at MIT and senior author of the paper. "The way something looks or feels can be influenced by a stimulus in the other sensory modality." Volunteers watched visual motion on a computer screen while placing their right index fingertip on a tactile ...

Physical activity may strengthen children's ability to pay attention

... that when the environment is more noisy visual noise in this case kids are better able to gate out that noise and selectively attend to the correct stimulus and act upon it." In an effort to see how performance on such tests relates to actual classroom learning, researchers next administered an ...

A little java makes it easier to jive, researcher says

... be a practical application, is if you go to the gym and you exercise and it hurts, you may be prone to stop doing that because pain is an aversive stimulus that tells you to withdraw. So if we could give people a little caffeine and reduce the amount of pain they're experiencing, maybe that would help ...

Clarke clarifies pattern recognition theory

... processes by which the brain identifies and analyses information unconsciously. Since this necessarily involves perceptual subjectivity, the same stimulus may lead to the recognition of completely different patterns by different individuals. "What we haven't done is to produce a literary survey of ...

Fighting global warming offers growth and development opportunities

... indirect taxes, ensuring the fiscal neutrality of these measures", says Barker. "The current global financial crisis must be seen as a timely stimulus to tackling climate change, not a hindrance. If all G20 countries adopted a Green New Deal similar to that proposed by President Obama, the world ...

Empire State Stem Cell Board awards $12.7 million to Albert Einstein College of Medicine

... million in funding for stem cell research. "Support for stem cell research offers hope for better health to millions while providing an economic stimulus to the biomedical industry," the Governor said. $6 Million Einstein Award An award of $5.99 million was awarded to principal investigator ...

The genetics of fear: Study suggests specific genetic variations contribute to anxiety disorders

... (a method of learning to fear a particular stimulus) shows that individuals diagnosed with anxiety disorders are quick to learn to fear a stimulus but have a difficult time getting rid of that fear. In this study, the researchers focused on polymorphisms in two genes thought to play a role in ...

Behind closed eyes

... therefore, is dependant on a constant state of activity. Another suggestion is that the minimal level of activity enables a quick start when a stimulus eventually presents itself, something like a getaway car with the engine running. Nir: 'In the old approach, the senses are 'turned on' by the switch ...

UNC, Yale partner to study effects of cocaine use on mother-infant relationships

... is based at Yale, will focus on using functional brain imaging scans, or fMRI technology, to study how mothers' brains react to many of the same stimulus cues used in Project 2, as well as how particular genes may modify key aspects of early maternal sensitivity to infants' cues. "Understanding, for ...

How we see objects in depth: The brain's code for 3-D structure

... the brain. A computer algorithm was used to guide the experiment gradually toward object shapes that evoked stronger responses. This evolutionary stimulus strategy let the experimenters pinpoint the exact 3-D shape information that drove a given cell to respond. These findings and other research on ...

Emotion and scent create lasting memories -- even in a sleeping brain

... how strong memories are formed by creating new memories in the minds of mice while under sedation and monitoring their response to a memory-inducing stimulus afterwards, when they were awake. "Our work is unique because it allows us to examine the cellular make-up of a memory, evaluate how the neurons ...
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