Sentences with phrase «by neurons at»

To look for signs of neurogenesis, the researchers hunted for specific proteins produced by neurons at particular stages of development.

Not exact matches

A study conducted by researchers at the University of London has revealed some interesting information about neurons in the male brain.
They say that drinking coke really ignites the creative functions in their brain by getting their neurons firing at 100 %.
We have mirror neurons in our brain that help us to learn — when we learn to tie our shoelaces by watching someone else, mirror neurons are at work.
We also have mirror neurons in our brain that help us to learn — when we learn to tie our shoelaces by watching someone else, that is those mirror neurons at work.
Chen Gu and colleagues at The Ohio State University discovered that they could induce the formation of axonal varicosities in hippocampal neurons grown in the lab by «puffing» them with bursts of liquid from a small pipette.
Scientists at Southern Methodist University, led by Professor and Chair of Biological Sciences Santosh D'Mello, have used RNA - Seq to conduct transcriptome profiling of gene expression changes in dying neurons.
By projecting angled lines onto the surface of the animal's retina, they demonstrated that each neuron in this thin sheet at the back of the head has a distinct function.
Linda Watkins, a pain expert at the University of Colorado at Boulder, thinks this mechanism might be carried out by glial cells, poorly understood sister cells of neurons.
Oliver Brüstle, director of the Institute of Reconstructive Neurobiology at the University of Bonn, Germany, who had a patent on a method for generating neurons from human embryonic stem cells rejected by the court, called the ruling «the worst possible outcome», and «a disaster for Europe».
Researchers at Geron, meanwhile, had successfully derived neurons from human embryonic stem cells and were pursuing research that would eventually look to repair the damage caused by spinal - cord injuries, a possible use for embryonic stem cells that was much touted at the time.
At the center of the room sat a one - ton, six - foot - tall machine resembling a huge hair dryer that contained scanners capable of recording the minute magnetic fields produced by the firing of neurons.
Neuroscientist Henry Markram of the Brain Mind Institute at the École Polytechnique Fédérale in Lausanne, Switzerland, has spent the last 15 years painstakingly mapping cells from the living brains of rats so that he can create a neuron - by - neuron simulation of the brain.
The Northwestern team, led by physiologist James Surmeier, reports in the online edition of Nature that the dopamine neurons, which are targeted by Parkinson's, are constantly at work — like a pacemaker — sending the striatum nonstop, electrical pulses.
Second, if a neuron is activated by an edge of a particular orientation and position, then the orientation 90 degrees from that will be suppressive at the same location, a combination termed «cross-orientation suppression.»
This protein is expressed at relatively high levels in proliferating precursors and non-neuronal cells but down - regulated in developing neurons by a brain - enriched regulatory RNA called miR - 9.
A recent study published in the December 2008 issue of the journal Neuron, by Joshua Buckholtz and his colleagues at Vanderbilt University tackles exactly this question.
Separate work by Colm Cunningham and his colleagues at Trinity College Dublin in Ireland has shown that interleukin - 1 beta is a likely neuron - killing culprit, along with other inflammatory molecules called prostaglandins (Journal of Neuroscience, doi.org/sdr).
In contrast, BAM aims to generate the traffic report by getting down to the neuronal level, mapping which neurons fire at which time and how they are synchronised.
In l986 while running a lab at Georgia Tech, Kennedy learned that Canadian scientists were spurring neuron growth in rats» brains by adding bits of sciatic nerve.
«By learning how tau spreads, we may be able to stop it from jumping from neuron to neuron,» said Karen Duff, PhD, professor in the department of pathology and cell biology (in the Taub Institute for Research on Alzheimer's Disease and the Aging Brain) and professor of psychiatry (at New York State Psychiatric Institute.)
Research done by Dr. Christopher Pack, from McGill University, who looked at such waves occurring in a region of the visual cortex of the brain, suggests these oscillations could have a role in resetting the sensitivity of neurons after eye movements.
Investigators at Duke University, led by Erica Davis, PhD, a co-senior author of the report, blocked the gene's expression in zebrafish, which resulted in abnormal facial cartilage, smaller eyes and structural abnormalities of neurons involved in the development of reproductive organs.
A recent study at Stanford University in Palo Alto, California, led by Brian Knutson and published in Neuron, monitored subjects» brain activity as they shopped online and bought a series of products worth up to $ 80.
These samples were collected primarily by Gianluigi Zanusso, M.D., Ph.D., and colleagues at the University of Verona in Italy, who developed the technique of brushing the inside of the nose to collect olfactory neurons connected to the brain.
He believes that information, at its core, is held in the signals zipped off by neurons.
Since neurons can be depolarized by calcium and other positively charged ions, such as those the TRPV1 channel controls, we hope that this system may be effective at regulating neural activity.»
A team of researchers at the University of Buffalo discovered a peptide (a protein building block), GSMtx - 4, in the tarantula's venom that prevents fibrillation by blocking the activity of certain gate - like structures of neurons in the heart.
Indeed, by examining brain tissue and slices from the cocaine - addicted rats at various stages of withdrawal and craving, Wolf and her colleagues discovered that the incubation period and the subsequent spike in craving appeared to correlate with the appearance of atypical AMPA receptors on the surface of neurons in the NAc, which could help explain cocaine craving.
A postmortem analysis of human brain tissue, for example, conducted by Witelson and her colleagues at the Michael G. DeGroote School of Medicine at McMaster, revealed that women's neurons were 11 percent denser than men's in the prefrontal cortex and in a region of the temporal cortex that is involved with language processing, comprehension, and memory.
The study, conducted by two teams at Duke University and appearing online Dec. 1 in the journal Neuron, is the first to connect autism to one of the most well - studied pain molecules, called TRPV1 (transient receptor potential ion channel subtype V1), which is a receptor for the main spicy component of chili peppers.
In this latest study, the investigators collaborated with a team at the University of Michigan led by co-senior author Brian Pierchala to further learn about the role of p75 in the development of sensory neurons.
Imaging scans show the brain shifts its activity (measured by blood flow and oxygenation, indicating which neurons are heavily used at a specific time) from the prefrontal executive control regions to subcortical reactive emotion areas.
Nerve cells in the brain, or neurons, are known to communicate among themselves by transmitting electrical signals, aided by chemical signaling at the synapses connecting the neurons.
The results obtained by Afsaneh Gaillard's team and that Pierre Vanderhaeghen at the Institute of Interdisciplinary Research in Human and Molecular Biology show, for the first time, using mice, that pluripotent stem cells differentiated into cortical neurons make it possible to reestablish damaged adult cortical circuits, both neuroanatomically and functionally.
Chronic pain can be viewed as a learned memory: In the way that repetition of a piano piece enables you to learn it by facilitating transmission of the appropriate signals through your neurons, pain that persists can become chronic because your neurons become more efficient at transmitting pain signals.
A team headed by Hanns Ulrich Zeilhofer from the Institute of Pharmacology and Toxicology at the University of Zurich did now reveal which inhibitory neurons in the spinal cord are responsible for this control function: As the study published in the science journal Neuron shows, the control cells are located in the spinal dorsal horn and use the amino acid glycine as an inhibitory messenger.
In a recent study published in Angewandte Chemie International Edition, Associate Professor of Chemistry Wei Min's team developed a new glucose analogue that can mimic the natural glucose, and imaged its uptake as energy source by living cancer cells, neurons and tissues at the single cell level.
This week in the JCI, a study conducted by David Engblom's lab at Linköping University in Sweden has demonstrated that the aversive effects of inflammatory pain are driven by prostaglandin signaling specifically on serotonin - producing neurons in the brainstem.
Photo of a living Brainbow zebrafish, taken by Zachary Tobias (a research technician in Weissman - Unni's lab), showing a brightly labeled neuron with its cell body (white) at bottom.
Now, a preclinical study, from the lab of Olivier Berton, PhD, an assistant professor in the department of Psychiatry, in collaboration with Sheryl Beck, PhD, a professor in the department of Anesthesiology at Children's Hospital of Philadelphia, found that bullying and other social stresses triggered symptoms of depression in mice by activating GABA neurons, in a never - before - seen direct relationship between social stimuli and this neural circuitry.
«We thought it might be important to look instead at the toxic environment outside the cell, where blood proteins accumulate» said Akassoglou, senior investigator at Gladstone, professor of neurology at UC San Francisco (UCSF), and senior author of a study published by the scientific journal Neuron.
A team of brain injury experts led by researchers at the VA Puget Sound Health Care System and the University of Washington have found that the more blasts veterans are exposed to, the more they show chronic changes in neuron activity in specific brain regions.
A GABA - AT — blocking drug called vigabatrin is already on the market to treat epilepsy by calming overactive neurons.
Kenyon cells make up only about 4 % of the entire fly brain and are extremely sensitive to inputs triggered by odors, in which only two connections between neurons, called synapses, separate them from the receptor cells at the «front end» of the olfactory system.
Research conducted by Dr Bill Dew at the University of Lethbridge in Canada looked for the first time at the effect of the metal contaminants nickel and copper on specific fish olfactory sensory neurons, and how these affect the fish's ability to detect and swim away from an odour released by other fish of the same species (conspecifics) when a predator attack takes place.
«I can predict whether you'll remember, and how much confidence you will have in that memory, just by looking at whether a neuron fires in sync with the theta component of the EEG,» Rutishauser says.
Researchers at Osaka University found that B immune cells reside in the brains of developing mice, and play a key role in the myelination of neurons by oligodendrocytes.
However, because the treatments affected the cultures globally and did not precisely target synapses, the researchers next applied substances that increase the firing of glutamate neurons by acting solely at synaptic sites.
These findings were confirmed by two - photon imaging of neurons in the brains of living mice by the lab of collaborator Yi Zuo, PhD, a neuroscientist at UC Santa Cruz, as well as electrophysiological recordings from neurons in brain slices by the lab of collaborator Vikaas Sohal, MD, PhD, an associate professor of psychiatry at UCSF.
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