Sentences with phrase «brains of rats»

Because they can't ethically subject youth to alcohol to study its effects, researchers use the developing brains of rats to understand the effects of «intermittent alcohol exposure» — the equivalent of drinking to a blood - alcohol level of.08 (the legal limit for driving while impaired) three or four nights a week.

In addition, the researchers examined the brains of the rats to identify changes in biological function.

To explore the idea, he dissected the brains of rats, staining both ipRGCs and pain - signaling neurons to trace their paths.The ipRGCs connect to pain neurons in the thalamus, he found, suggesting that exposure to light could disturb pain - signaling neurons as well.

Kullmann's team tested the approach by using a harmless virus to deliver a gene into the brains of rats.

To test that hypothesis, Yanagisawa's team injected the peptides into the brains of rats and found that they boosted the rats» appetite three - to sixfold.

It comprises an estimated 500 million neurons — about five times as many as in the brain of a rat — and is around 9 metres long, stretching from your oesophagus to your anus.

In today's issue of Cell, a team led by Masashi Yanagisawa of the University of Texas Southwestern Medical Center in Dallas reports the discovery of two related peptides from the brains of rats that trigger eating.

Richard Rogers of the Pennington Biomedical Research Center at Louisiana State University and colleagues used a drug called fluorocitrate to knock out the function of certain astrocytes and neurons in the brains of rats, blocking the sensation of hunger.

The laser in a tiny but powerful microscope is giving neuroscientists their best look yet at how the brains of rats work as they scurry about their daily activities.

ACHM research is a relatively new field that encompasses everything from getting sheep and goats to express human proteins in their milk to injecting human stem cells into the brains of rats and monkeys in research to cure the effects of strokes.

Fascinated by this, Mashkovsky and colleague Rita Kruglikova - Lvova explored the effects of a compound extracted from snowdrops on the muscles of frogs, rabbits and guinea pigs, and the brains of rats.

NEW ORLEANS — Stimulating the brains of rats with spinal cord injury improves their ability to walk, researchers reported October 15 at the annual meeting of the Society for Neuroscience.

This involves killing substantia nigra neurons on one side of the brains of rats, which then develop a movement imbalance that causes them to turn in circles, as well as exhibiting other symptoms.

When injected into the brains of rats, it plays a version of musical chairs, occupying receptor sites usually filled by an anxiety - inducing chemical.

Now, Johns Hopkins researchers report they have used nanoparticles to successfully deliver a new therapy to glioma cells in the brains of rats, prolonging their lives.

The researchers implanted stem cells from mouse embryos into the brains of rats and mice whose dopamine - producing neurons had been obliterated by a toxin.

But no MRI abnormalities appeared in the brains of rats injected with the macrocyclic agent, gadoterate meglumine.

Over time, «significant and persistent» MRI abnormalities (called T1 - weighted signal hyperintensities) developed in the brains of rats receiving the linear GBCA, gadodiamide.

In addition to imaging heavy - ion tracks, Vazquez has studied the effect of chronic cosmic - ray exposure on the brains of rats, as measured by their ability to move around in a box.

The researchers suggest that the reverse signalling etches information into the brains of the rats as part of the learning process.

I removed the brains of the rats, cut them in half and studied one half microscopically.

«We come into the world knowing how to be afraid, because our brains have evolved to deal with nature,» LeDoux says, noting that the brains of rats and humans respond in similar ways to threats, even though the threat itself might be completely different.

Booth studied the brains of the rats and found much higher levels of neural maturation in the brains of the active rats than in the brains of the lazy rats.

In March, neuroscientist Joseph LeDoux and his colleagues at New York University took an important step toward memory manipulation when they «erased» specific memories from the brains of rats.

To test whether the hippocampus could actually form spatial maps using only visual landmarks, Mehta's team devised a noninvasive virtual reality environment and studied how the hippocampal neurons in the brains of rats reacted in the virtual world without the ability to use smells and sounds as cues.

In two separate experiments, the brains of monkeys and the brains of rats are linked, allowing the animals to exchange sensory and motor information in real time to control movement or complete computations.

In separate experiments reported in the journal, the brains of monkeys and the brains of rats are linked, allowing the animals to exchange sensory and motor information in real time to control movement or complete computations.

They injected both versions, empty of drugs, into the brains of rats, and 1 week later they checked for damage.

Scientists recorded electrical activity in the brains of rat pups as their mamas nursed, licked and cared for their offspring.

They shot to fame in 2005 with their discovery of grid cells deep in the brains of rats.

The team injected the molecule into the brains of rats, in a region laden with dopamine - producing cells.

The Mosers are also planning to test how the hexagonal pattern would be modified in the brain of a rat that has been reared from birth in a perfect sphere instead of a flat - bottomed cage.

The researchers measured the activity of place cells in the brains of rats during three different experimental conditions.

The human observers did not know whether the image was novel or familiar and were similarly blinded to whether and when the brains of the rats were stimulated with optogenetic light.

By injecting a tailored new compound into the brains of rats, researchers can significantly reduce neuronal damage resulting from stroke.

In the same way that Neo downloads a kung fu master's skills, Deadwyler had wired up the brain of a rat with electronics that transplanted memories derived from 30 rats into its brain, allowing it to draw on training that it had never personally experienced.

Thanos» team, which included many UB students he mentors, looked at changes in the brains of rats who received regular doses of methylphenidate during what would be equivalent to adolescence in humans, a time of significant brain growth and development.

Other scientists have connected the brains of rats and monkeys, and transmitted brain signals from a human to a rat, using electrodes inserted into animals» brains.

To verify the findings, additional tests were then carried out on samples taken from the brains of rats.

To get around this problem, Buzsáki's team first implanted electrodes inside the brains of rats and measured neural activity while they applied TES externally.

Using these pumps, the researchers showed that they could deliver tiny doses (hundreds of nanoliters) into the brains of rats.

Our project with the Lawrence Livermore fabrication lab to develop electrodes that can be implanted long - term in the brains of rats aims to help us do that.

Recently, scientists have grown mature neurons and transplanted them into the brain of a rat.

The team managed to transform astrocytes (a type of supporting cells in the brain) into neurons directly within the brain of rats.

Research has shown that Ashwagandha blocks the stress pathway in the brains of rats and numerous studies have shown it can efficiently reduce stress and anxiety symptoms.