Sentences with phrase «in brain cell activity»

Not exact matches

The scientists found that when individuals completed a word puzzle, right before a moment of insight, a cluster of cells located in the superior temporal gyrus — in the right hemisphere of the brain — show significant activity.

Only a special systemic order of atoms in certain molecules of different types of brain cells, steady activity of these cells and excitations coming from sensoric nerves and running to associative and motoric centers are the basis of the peculiarity of brain function.

If we could but restore or bring about the normal functioning of brain cells and nerve tissues, as well as their own subsidiary chemical activity in such cases, then mental life would come flooding back in fullness and richness.

What all these have in common is that, without any central control, individual units (genes, cells neurons or workers) respond to simple, local information, in ways that allow the whole system (cells, brains, organisms or colonies) to function: the appropriate number of units performs each activity at the appropriate time.

It is considered an inhibitory neurotransmitter, which means it regulates brain and nerve cell activity by inhibiting the number of neurons firing in the brain.

During a blackout, the brain cells in that area cease their activity until it is restored.

Their brains differed in the activity of over a hundred genes that provide cells with energy, influence chemical communications in the brain and strengthen the connection between nerve cells.

Adult neural stem cells in the hypothalamus — a brain region that regulates hunger, sleep, body temperature and other activities — appear to orchestrate the body's aging process, they found.

The brainlike structures created from cells taken from autistic children showed increased activity in genes that control brain - cell growth and development.

«What's really exciting about this was that the activity differences were detected at a critical time in brain development: when neural progenitor cells are proliferating and expanding in number, just prior to producing neurons,» Silver said.

«We still don't know very much about how individual cells in the brain coordinate the activity of higher - level function that defines us as humans,» he says.

The increased alpha wave activity was greatest in brain tissue directly beneath to the cell phone, strengthening the case that the phone was responsible for the observed effect.

Deep brain stimulation is used in Parkinson's disease to trigger brain cell activity and prevent the abnormal signalling that causes debilitating tremors, but placing the electrodes required is highly invasive.

Researchers at the Humboldt and Charité Universities in Berlin, led by Dr Julie Seibt from the University of Surrey, used cutting edge techniques to record activity in a particular region of brain cells that is responsible for holding new information — the dendrites.

Modern brain - imaging techniques that track blood flow and cell activity indicate the precuneus is involved in imagination, self - consciousness and reflecting on memories.

Maged Harraz, Ph.D., a research associate and the first author of the newly published research paper, says the researchers already knew that ketamine interacts with excitatory NMDA receptors on nerve cells in the brain to block their activity.

«All of the cells of the brain are constantly active and are participating, by a sort of algebraic summation, in every activity.

This epigenetic alteration of gene activity in brain cells that receive this neurotransmitter showed for the first time that dopamine deficiencies can affect a variety of behavioral and physiological functions regulated in the prefrontal cortex.

The scientists were further able to demonstrate how the brain implements this placebo effect: although the subjects were given the same pain stimuli, the nerve cells in the second run triggered a different pattern of brain activity.

To overcome these problems, Min and his team developed a new modality to visualize glucose uptake activity inside single cells based on stimulated Raman scattering (SRS) imaging, and demonstrated its use in live cancer cells, tumor xenograft tissues, primary neurons and mouse brain tissues.

This technique is able to distinguish cancer cell lines with differing metabolic activities and reveals heterogeneous uptake patterns in neurons, mouse brain tissues and tumor tissues with clear cell - to - cell variations.

The test subject wore a cap with 64 electrodes that can measure nerve cell activity in the brain throughout the experiment.

In the current study, researchers found to their surprise that most of the nerve cells in auditory cortex neurons that stimulate brain activity (excitatory) had signaled less (had «weaker» activity) when the mice expected and got a rewarIn the current study, researchers found to their surprise that most of the nerve cells in auditory cortex neurons that stimulate brain activity (excitatory) had signaled less (had «weaker» activity) when the mice expected and got a rewarin auditory cortex neurons that stimulate brain activity (excitatory) had signaled less (had «weaker» activity) when the mice expected and got a reward.

The switch works by regulating the activity of a handful of sleep - promoting nerve cells, or neurons, in the brain.

Depending on the current, the wires can either boost activity in nearby brain cells or reduce it.

CSHL Associate Professor Glenn Turner and colleagues have now mapped the activity of brain cells in the MB, in flies conditioned to have Pavlovian behavioral responses to different odors.

Neuropeptides are small proteins in the brains of all animals that bind to receptor proteins and cause activity in cells.

In an electroencephalogram (EEG)-- a recording of the brain's electrical activity — the synchronous rhythm of the nerve cells manifests as a periodic pattern.

To do this, we observed neurons in this area, some of which encourage activity in their fellow brain cells, so - called excitatory neurons, and others that tamp down activity, known as inhibitory neurons.

In addition to analyzing the activity of individual neurons, Mehta's team studied larger groups of the brain cells.

Resonance in the activity of nerve cells (left) allows activity within the brain to travel over large distances, e.g. from the back of the head to the front during the processing of visual stimuli.

The rats were distinctly less ticklish, and their brain activity showed a suppression of the cells that had fired so enthusiastically in the previous experiment, even when they were stimulated with the electrodes, he says.

Our studies help us to understand how the nerve cells in the entorhinal cortex operate and how electrical activities might get interrupted in this area of the brain.»

«By combining in vivo multiphoton microscopy and in vivo electrophysiology, our lab is better able to visualize how cells move and change over time in the living brain and explain how changes in these glial cells alter the visually evoked neural network activity,» says Kozai.

The team used this change in the variability of the song to look at how the activity of single cells in different parts of the brain altered their activity depending on the social environment.

«We measured the electrical activity of groups of nerve cells within the subthalamic nucleus in patients with Parkinson's disease, who had recently been treated with deep brain stimulation.

Fifty - three of the brain cells showed significant changes in activity as the coils rotated, reacting to field strength and polarity.

1 THE MIND IN THE BRAIN Organisms make minds out of the activity of special cells known as neurons.

The device, part of the Lab's iCHIP (in - vitro Chip - Based Human Investigational Platform) project, simulates the central nervous system by recording neural activity from multiple brain cell types deposited and grown onto microelectrode arrays.

To do this, you need activity in the [brain's] prefrontal cortex, which signals the cells in the amygdala to inhibit the expression of the fear memory.

In a paper published earlier this year in Molecular Cell, he and his team explored the activity of the FOS / JUN protein complex, which is expressed across many different cell types in the brain but appears to regulate unique programs in each different cell typIn a paper published earlier this year in Molecular Cell, he and his team explored the activity of the FOS / JUN protein complex, which is expressed across many different cell types in the brain but appears to regulate unique programs in each different cell typin Molecular Cell, he and his team explored the activity of the FOS / JUN protein complex, which is expressed across many different cell types in the brain but appears to regulate unique programs in each different cell tCell, he and his team explored the activity of the FOS / JUN protein complex, which is expressed across many different cell types in the brain but appears to regulate unique programs in each different cell tcell types in the brain but appears to regulate unique programs in each different cell typin the brain but appears to regulate unique programs in each different cell typin each different cell tcell type.

Measurements of the electrical activity of nerve cells in two key areas of the brain showed a surprising result: nerve cells in the prefrontal cortex signaled the distraction while it was being presented, but immediately restored the remembered information (the number of dots) once the distraction was switched off.

In healthy people, brain cells link together at a single frequency of electrical activity, like tuning in to a radio station, says Robert McCarley of the VA Boston Healthcare System and Harvard UniversitIn healthy people, brain cells link together at a single frequency of electrical activity, like tuning in to a radio station, says Robert McCarley of the VA Boston Healthcare System and Harvard Universitin to a radio station, says Robert McCarley of the VA Boston Healthcare System and Harvard University.

In a brain slice, Olivia Masseck measures the activity of nerve cells in which she switches on their receptors using light stimulatioIn a brain slice, Olivia Masseck measures the activity of nerve cells in which she switches on their receptors using light stimulatioin which she switches on their receptors using light stimulation.

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

Andersen was studying the activity of neurons in the hippocampus — a brain area associated with memory — and the two students wanted to try to link this precise activity of cells with the behaviour of animals.

When the researchers looked at activity at the cellular level in the rats» brains, they saw that individual cells stimulated by the optogenetics would increase firing rates in the PER network and that many cells fired in sync with the optical flicker frequency.

An intracortical BCI uses a tiny silicon chip, just over one - sixth of an inch square, from which protrude 100 electrodes that penetrate the brain to about the thickness of a quarter and tap into the electrical activity of individual nerve cells in the motor cortex.

That alters gut microbe populations, triggering the activity of pro-inflammatory T cells, which cause further damage in the brain, mouse studies show.

New work at the University of California, Davis, shows for the first time how visual attention affects activity in specific brain cells.