Sentences with phrase «brains using rats»

Not exact matches

Some of the medical studies I used as a reference are: Caloric restriction and intermittent fasting: Two potential diets for successful brain aging and Dietary Factors, Hormesis and Health, found on the US National Library of Medicine Site, Cardioprotection by Intermittent Fasting in Rats on the American Heart Association Site and Effect of Ramadan intermittent fasting on aerobic and anaerobic performance and perception of fatigue in male elite judo athletes from the Journal of Strength and conditioning research.
Rats are often used to study how mammalian brains work and many effects are similar in human brains.
«Our results using an animal model suggest that a maternal high - fat diet during pregnancy and lactation could have significant and lasting effects on the brain, behavior and cognition of rat pups,» said Dr. Tamashiro.
They used electrodes to measure the sensitivity of rats» brains to reward activity.
Through a brain - machine interface, the rats learned to control the lever using only their brain activity.
A technique that involves genetically engineering brain cells so that they fire in the presence of certain drugs has been used to treat epilepsy in rats, and it could soon be tested in humans.
Now, a team from the University of Rochester in New York, led by neurobiologist Martha C. Bohn, reports promising results using a less invasive scheme: The researchers injected engineered viruses directly into the afflicted brain tissue of rats.
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.
Using the supercomputers at Almaden and Lawrence Livermore National Laboratory, the group simulated networks that crudely approximated the brains of mice, rats, cats and humans.
Whereas Olds stimulated rats» brains directly with electrodes, Wise, then a researcher at Concordia University in Montreal, did so indirectly with intravenous tubing used to deliver drugs like amphetamine.
Brain injections of lidocaine, commonly used by dentists to numb patients» gums, temporarily help rats overcome addiction to amphetamines
«This study, carried out using laboratory rats modeling stroke, demonstrated that ischemic stroke — in both its subacute and chronic stages — damages the BSCB in a variety of ways, creating a toxic environment in the spinal cord that can lead to further disability and exacerbate disease pathology,» said study lead author Dr. Svitlana Garbuzova - Davis, associate professor in USF's Center of Excellence for Aging and Brain Repair, Department of Neurosurgery and Brain Repair.
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.
Catechol estrogens have been identified and measured in rat brain and various endocrine tissues with the use of a sensitive radioenzymatic assay.
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.
While the rats ran and then paused after reaching the food, the neurobiologists directly measured the animals» brain cell activity using carefully placed electrodes.
In a study led by Duke Health and published in the journal Alcoholism: Clinical and Experimental Research, scientists demonstrate in rats that a short duration of the drug donepezil can reverse both structural and genetic damage that bouts of alcohol use causes in neurons, or nerve cells, in the young brain.
The virtual world used in the study was very similar to virtual reality environments used by humans, and neurons in a rat's brain would be very hard to distinguish from neurons in the human brain, Mehta said.
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.
A research group at the Department of Nutritional Sciences at the University of Toronto, Faculty of Medicine has been using a rat model to see how maternal intake of above - requirement vitamins (A, D, E, and K) impact offspring's brain development and behaviour.
A new study conducted in rats offers clues about how teen drinking alters brain chemistry, suggesting early alcohol use has long - term effects on decision making.
The study described in the second paper used groups of three or four rats whose brains were interconnected via microwire arrays in the somatosensory cortex of the brain and received and transmitted information via those wires.
Next year, they will use it to simulate part of the cortex of a rat brain.
He added that the existence of episodic memory in lower animals has implications for research on human diseases that affect memory, including Alzheimer's, Parkinson's and Huntington's diseases, since the majority of research on the brain — and the drugs used to treat memory diseases and dementia — start out based on insights into how the brain works in rats.
A technique that involves genetically engineering brain cells so that they fire in the presence of certain drugs has been used to treat an epilepsy - like condition in rats, and it could soon be trialled in humans.
Using a technique called optogenetics, they were able to turn on genetically engineered brain cells in rats using a blue light delivered directly to those cells via an optic fUsing a technique called optogenetics, they were able to turn on genetically engineered brain cells in rats using a blue light delivered directly to those cells via an optic fusing a blue light delivered directly to those cells via an optic fiber.
But in these experiments, Burwell's team, including lead authors Jonathan Ho and Devon Poeta, altered some of the rats» behavior by manipulating the brain using optogenetics.
McKay announced that he had mitigated the symptoms of Parkinson's in rats by using mouse embryonic stem cells that he had turned into dopamine - producing brain cells.
In the lab, the research team used a rat model to develop a closed - loop controller — a device that can give them a metaphorical window into the brain.
New research in young rats suggests that using your brain may help brain cells survive and could impact how the brain functions after puberty.
RATS are ticklish just like us, and their reaction has now been used to identify the brain cells involved.
The researchers used sedated rats to investigate how the brain is repaired after being subjected to an injury.
Physicists have used xenon to generate images of blood flow through heart, lung, and brain tissue in rats.
When the scientists used functional magnetic resonance imaging (fMRI) to scan brain activity, they saw that high and low frequency stimulation put the rats in completely different states of activity.
«Scientists manipulate consciousness in rats: Study may guide deep brain stimulation therapies used for neurological disorders.»
UC Davis researcher Min Zhao and Junfeng Feng, a neurosurgeon at Ren Ji Hospital, Shanghai, showed that they can steer transplanted stem cells (green, in inset on right) to one part of a rat's brain using electrical fields.
Using a technique that employs light to control nerve cell activity, researchers in Professor Jeff Wickens» Unit inactivated a region of the brain and showed that it caused the rats to behave more flexibly while trying to get a reward.
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.
The project uses data and software to simulate a small subset of a rat's brain, focusing on a collection of neurons known as a cortical column.
Using rats, the researchers selectively damaged an area of the brain that controls the movement of the front legs.
Second, the lab is studying how early life stress impacts both the transcriptome in stress - related brain regions using deep - sequencing methods and the addictive potential of the prescription opioid oxycodone using the drug self - administration paradigm, in male and female rats.
Wellman, P.J., Clifford, P.S., Rodriguez, J.A., Hughes, S., Di Francesco, C., Melotto, S., Tessari, M., Corsi, M., Bifone, A., Gozzi, A. Brain reinforcement system function is ghrelin dependent: Studies in the rat using pharmacological fMRI and intracranial self - stimulatioAddiction Biology, 17 (5), pp. 908 - 919 10.
The George lab has made seminal contributions to the field including: discovering a novel population of neurons in the brain of humans, rats and mice that are involved in nicotine dependence, identifying neuronal ensembles responsible for nicotine and alcohol addiction, and unveiled the cellular and molecular changes associates with long term use of nicotine, cocaine, methamphetamine and alcohol use on the brain.
They employed the use of rat triads, which enabled them to maintain a permanent blood supply to the donor brain until its blood vessels were connected to those of the recipients.
Using these pumps, the researchers showed that they could deliver tiny doses (hundreds of nanoliters) into the brains of rats.
Using microinjection of adeno - associated viral vector bearing a transgene encoding FKBP1b into the hippocampus of aged male rats, we assessed the critical prediction that overexpressing FKBP1b should reverse Ca2 + - mediated manifestations of brain aging.
By Western blot analysis using rat brain extracts of cortex, hypothalamus, midbrain, and hindbrain, the antibody specifically labels a single band.
For source material Scheller first obtained vesicles from the electric organ of the marine ray Torpedo, then switched to rat brain vesicles — the same material used by Südhof.
For the study, Hill compared brain tissue from normal and Parkinson's - like rats using ion mobility — mass spectrometry (IMMS), a process that analyzes both the weight and speed of chemical molecules.
In 2011 scientists demonstrated that stem cells extracted from a rat's brain could be made to produce insulin and used to cure diabetes in the same ratANCHOR.
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