Sentences with phrase «nerve cell activity in»

Upping the activity of neurons in one region of the brain, they found, made flies court like crazy, while stifling nerve cell activity in the same brain zone left males disinterested.

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

Not exact matches

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.

It had to be supposed that these activities were brought together to result in some relatively unified type of action, e.g., to form a definitive nerve cell, rather than a definite muscle cell.

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.

Based on these results, the researchers conclude that neuronal activity itself plays an important role in the synthesis and maintenance of the myelin sheath, and that myelinated nerve cells therefore require a minimal level of sound - evoked stimulation.

Using the mouse as an experimental model, LMU neurobiologist PD Dr. Conny Kopp - Scheinpflug and her research group have now demonstrated that the activity of nerve cells in the auditory system has a direct effect on myelinization — higher levels of activity correlate with the formation of thicker myelin sheaths.

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.

Julius's team compared gene activity in different types of nerve cell from diamondback rattlesnakes, which all have shallow pits on their faces that detect heat.

They measured the concentration of calcium ions in the nerve cells to visualize their activity when a moth was stimulated with an odor.

What is paradoxical is that the average firing activity of individual nerve cells does not differ that much in deep sleep and quiet wakefulness.

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.

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.

Chen and his colleagues researched the role of microRNA molecules (small, non-coding RNA molecules that regulate various cellular activities) in the nerve cells that produce serotonin.

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.

The wires enabled the researchers to monitor the electrical activity of individual nerve cells in the medial temporal lobe and to detect neurons that would respond more to the perception of one person than to that of another.

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

As Gerald Hahn, Alejandro F. Bujan and colleagues describe in the journal PLoS Computational Biology, the ability of networks of neurons to resonate can amplify oscillations in the activity of nerve cells, allowing signals to travel much farther than in the absence of resonance.

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.

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.»

The nerve cell's activity was measured via concentration of calcium ion in the cell, and the team analyzed the changes in calcium concentration using a mathematical model.

«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.

The thought generates electrical activity in the nerve cells and also brainwaves.

The activities of cells in multicellular animals are co-ordinated by chemical messengers and nerve cells.

In the hippocampus, activity patterns of nerve cells associated with a particular experience, such as running a maze, reoccur but at a faster pace on replay.

«One of our greatest goals is to learn more about how the concerted activity in groups of nerve cells contains information,» explains Moser.

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 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.

In contrast, CX546 increases nerve cell activity and calcium influx into nerve cells by enhancing the activity of proteins called AMPA (α - amino -3-hydroxy-5-methyl-4-isoxazolepropionic acid) receptors.

We already knew that light can stimulate nerve activity, and two years ago Nicholas Smith at Osaka University, Japan, showed that 8 - millisecond bursts of laser pulses could synchronise the pulsing of heart cells in culture.

In normal mice, these neurons — a subset of nerve cells that release the neurotransmitter gamma - amino butyric acid (GABA), and so are called GABAergic neurons — are most active during waking periods when the mice are eating or grooming, two highly pleasurable activities.

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.

When instead the scientists suppressed activity in the same nerve - cell population during the typically active period of the mice's 24 - hour cycle, the mice conked out, snoozing through the presence of surefire arousal triggers: delicious high - fat chow, a female or fear - inducing fox urine.

Overall, activity in the dopamine - secreting nerve cells emanating from the VTA rose on waking and stayed elevated when mice were awake.

To assess whether the fish discerned individual flickers, the team used electrodes to measure nerve - cell activity deep in the eyes.

Deth reported last year, for example, that in human nerve cells thimerosal blocks a chemical reaction called methylation that is critical to gene activity and that is also disabled by exposure to lead.

The cascade produces a cell signal from a protein called interleukin - 1beta (IL - 1b), which increases the activity of pain - responsive nerve cells in the spinal cord and brain.

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.

«Since cholesterol is required by neurons to form synapses (connections) with other cells, this decrease in cholesterol could affect how nerves function for appetite regulation, behavior, memory and even pain and motor activity,» says Dr. Kahn, who is also Mary K. Iacocca Professor of Medicine at Harvard Medical School.

In addition — and this is also relatively new — one can use genetically encoded probes also to study the activity of nerve cells.

The researchers» findings suggest that Nav1.1 levels in special regulatory nerve cells called parvalbumin cells, or PV cells, are essential to generate healthy brain - wave activity — and that problems in this process contribute to cognitive decline in AD - mice and possibly in patients with Alzheimer's.

The lab has also started to use optogenetic techniques which allows the group to modulate the activity of a specific subset of nerve cells in a reversible fashion.

A medical procedure, ECT uses brief, low - energy electrical pulses to stimulate nerve - cell activity in the area of the brain that affects mood.

The sound provoked a burst of activity in the brain's nerve cells.

Its activity as an electrolyte — helping to maintain fluid and mineral balance in and around cells — is vital to nerve transmission, muscle contraction and heart function.

But I am all in on eventually getting a pill, injection, whatever... of a molecule or protein like TIMP2, found in abundance in human umbilical cord blood and found to enhance nerve cell activity.

According to an article in the NY Times, nerves were found that connect the brain with the spleen and thymus, organs used in immune responses, and it was established that nerve cells could affect the activity of infection - fighting white blood cells.

These state - of - the - art treatments assist with inflammation, pain, tissue repair, cell growth, vascular activity, increased metabolic activity, trigger points and acupuncture points, in addition to reducing the appearance of scar tissue, improving nerve function, and enhancing wound healing.