Sentences with phrase «by nerve activity»

«Brain tumor growth stimulated by nerve activity in the cortex, study finds.»

Not exact matches

In my case the disease was distinctly what would be classed as nervous, not organic; but from such opportunities as I have had of observing, I have come to the conclusion that the dividing line that has been drawn is an arbitrary one, the nerves controlling the internal activities and the nutrition of the body throughout; and I believe that the central nervous system, by starting and inhibiting local centres, can exercise a vast influence upon disease of any kind, if it can be brought to bear.

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.

According to his theory, the brain controlled our body's activities by pumping fluid from the ventricles through the nerves to other organs.

He then administered a compound that helps to facilitate activity by receptors that sit on nerve cells and direct the cells» responses to GABA, and the abnormality was reversed.

The scientists observed that transmission of chemical signals between the nerve cells are facilitated by AMPA - receptors and the activity occurs on the brain cell surface.

Blocking the activity of a single enzyme can nearly halt the nerve damage caused by glaucoma in mice, according to a paper in the current issue of the Proceedings of the National Academy of Sciences.

Neurons that turn off brain circuits do so by decreasing electrical activity to target nerve cells.

Plaque hinders neuronal activity by gumming up synapses (spaces between cells through which chemical or electrical information is transmitted), eventually damaging nerve cell branches and leading to neuronal death.

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

Now Ahern has discovered that some drugs used to put patients to sleep may also increase postoperative pain from the procedure itself by boosting the activity of a protein called TRPA1 on the surface of pain - sensing nerve cells.

To map how the same sense can be perceived differently in the brain, the NYU Langone team, led by postdoctoral fellow Kishore Kuchibhotla, PhD, monitored nerve circuit activity in mice when the animals expected, and did not expect, to get a water reward through a straw - like tube (that they see) after the ringing of a familiar musical note.

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

Deadly brain tumors called high - grade gliomas grow with the help of nerve activity in the cerebral cortex, according to a new study by researchers at the Stanford University School of Medicine.

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.

It works by decreasing renal sympathetic nerve activity using point - by - point radiofrequency application in the main renal arteries.

Dr Clancy said: «We measured the nerve activity directly and found that it reduced by about 50 % when we stimulated the ear.

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.

She reports researcher Ippazio Antonazzo proposing several possible explanations, including nerve damage caused by diabetes making it more difficult for a person to sense migraine pain, or some treatment normalising the activity of insulin, making migraines less likely.

«Too little sodium can also increase sympathetic nerve activity, which raises the risk of heart attacks, and boost the secretion of aldosterone, a hormone produced by the adrenal gland that is bad for the cardiovascular system.»

«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.

Their discoveries showed how neuronal activity, generated either by experience or by intrinsic brain function, actively sculpts structural and functional connections between nerve cells.

«It's [caused by] an overabundance of neural activity, so basically you want to calm down the nerves,» Costello says.

The resulting increased nerve activity causes the release of adrenaline, which leads to effects such as a higher heart rate, increased blood pressure, increased blood flow to the muscles, decreased blood flow to the skin and inner organs (ovaries), and a release of glucose by the liver.

Research has found that ketosis can be neuroprotective (protecting critical brain and nerve cells)... It can [also] help to «calm» brain activity by affecting neurotransmitters (biochemicals that help nerve cells communicate).

Studies have shown that it increases neuron plasticity — the ability of brain nerve cells to take over some of the activities of brain cells destroyed or damaged by stroke.

I hadn't even heard of Nerve until about a month before it came out (rare for a wide - release summer movie), and my expectations didn't skyrocket for a film by Catfish directors Henry Joost and Ariel Schulman, though I liked their Paranormal Activity 3 and also their not being Nev..

It does this by enhancing the activity of glutamate on the chloride channels on the nerve and muscle cell surfaces.

Once the nerve endings that are present in the stomach and mostly in the proximal small intestine are irritated by any agent, like toxins, acids, microbes, chemicals, poisons or even rapid and strong digestive activity, this results into a triggering note for the vomit center in brain or for CTZ.

It is hypothesized that nedocromil sodium works by inhibiting the sensory nerve activity in the dog's lungs, thereby preventing coughing.

Chronic Pain — MSM, by stimulating the activity of cortisol (a natural anti-inflammatory hormone dogs produce), blocks the transfer of electrical pain impulses through the nerve fibers.

Svensmark had the nerve to hypothesize that most of the global warming of the 20th Century can be explained by the reduction in cosmic rays due to livelier solar activity, resulting in less low cloud cover and warmer surface temperatures.