Sentences with phrase «to activate neurons»

Half of the people received a sham (fake stimulation), while the other half received a mild electrical current which activates neurons in the targeted region.

They plan to do this by activating the neurons in these regions using electrodes and measuring the impact on learning outcomes.

The team was able to activate the neurons using pulses of light to heat up the silicon particles, causing current to flow through the cells.

When the researchers specifically activated neurons in the indirect pathway, repetitive grooming behaviors diminished.

More recently, the scientists wondered if they could alter the way a mouse remembered a setting by activating neurons associated with it.

As the name implies, the technique involves electrical currents flowing through electrodes in random pulses, activating neurons in multiple brain areas.

By recording volume variations in the blood vessels irrigating the different brain structures, it is therefore possible to determine the location of activated neurons.

The pixels converted the light into electrical energy which activated neurons within the retina.

This bending activates neurons at the base of bee hair sockets, which allows the insects to «sense» the field, the team found.

Yang Xiang, PhD, assistant professor of neurobiology at University of Massachusetts Medical School, has received a three - year, $ 900,000 grant from the Human Frontiers Science Program to lead an international team of scientists, including Gang Han, PhD, assistant professor of biochemistry & molecular pharmacology, in the development and implementation of a new optogenetic platform that can remotely activate neurons inside a free - moving organism.

The other aspect of neuroplasticity is the growth of stronger and increased numbers of connections among frequently activated neurons.

It remains to be discovered what mechanisms are involved in routing signals to the uniquely activated neuron.

They discovered that pheromones secreted by the male mouse activate these neurons which, in turn, transmit this signal to another population of neurons (gonadotropin - releasing hormone neurons) to drive attraction to the opposite sex.

I wouldn't anthropomorphize the fly and say that it has increased «anger,» but activating these neurons greatly lowers its threshold for attack.»

Any disturbing event activates neurons in the lateral and then central portions of the amygdala.

«If you had a hunch that a certain type of neuron might be important for a particular behavior,» he says, «you could use this technique to see if that's the case — to find out whether activating those neurons elicits the behavior artificially.»

In the frontal cortex, dopamine normally activates neurons with D1 dopamine receptors.

Activating these neurons immediately awakened the animals, the opposite effect of activating the GABAergic neurons.

«Our new pharmacogenetic approach fills an important and unmet need in our ability to understand fly behaviors by allowing us for the first time to conveniently examine behaviors in only partially activated neurons to uncover more subtle roles for particular neurons and circuits in behaviors.»

Glutamate helps activate neurons and is essential for learning.

Eating fewer calories may work by depleting a brain chemical called kynurenic acid, which in turn activates neurons involved in learning.

In Specific Aim 2, we will find out if experimental manipulation of IOP activates the neurons innervating the drainage structures.

Xiang and Han believe these nanoparticles, tuned to emit blue light, can be inserted into the brain and used as a substitute for traditional fiber optics to wirelessly activate neurons in animals.

Research has shown that volunteering activates your neurons in a rewarding way, giving you that «warm glow» feeling you get when you do something good.

It stood to reason, then, that two high - frequency fields — say, 2000 hertz and 2010 hertz — directed from different angles at a deep - brain target should produce a 10 hertz envelope field that would activate neurons at the target but not in the layers of the brain above.

Moreover, they developed means to specifically activate these neurons, which reduces not only pain — but astonishingly also alleviates itch.

Patrick Fuller and his team found that activating neurons inside the newly discovered parafacial zone (PZ) can put mice into a deep sleep almost instantly.

She did so by activating neurons in a specific region of the hypothalamus, deep in the center of the brain.

This maturation is a process of neuroplasticity that prunes away unused cells to better provide for the metabolic needs of the most frequently activated neurons.

When an odor was perceived, blood volume increased in clearly defined areas: each odor thus corresponded to a specific pattern of activated neurons.

Apparently, there are types of bacteria that are naturally found in soil which activate the neurons that produce serotonin — a key chemical in many bodily functions.

Rats code small changes in their surrounding environment by modifying neural activity in the dentate gyrus and code larger differences by activating neurons in an adjacent area.

Remarkably, when they activated these neurons using light in one mouse, even in the absence of stress, the brain of the mouse receiving light and that of the partner were changed just as they would be after a real stress.

But there may be another alternative: flooding the body with a protein that makes an individual prefer low - fat food and feel full longer, and that activates neurons responsible for regulating the body's energy intake.

In TDCS, electrical current flows continuously between electrodes placed on different parts of the scalp, activating neurons in one area and quieting them in another.

They found an increase in silent synapses on only the activated neurons, indicating the synaptic alterations were specific to the neuronal ensemble that encoded the drug - related memory.

Interestingly, these rats were still motivated to drink sugar water, indicating that the researchers had successfully targeted only alcohol - activated neurons, not the brain's overall reward system.

According to Rodger, this makes them sensitive to changes in electrical activity and so even low - intensity pulses can activate these neurons.

While other types of neurons in the brainstem and hypothalamus have been shown to influence REM sleep, Dan said, «Because of the strong induction of REM sleep — in 94 percent of the recorded trials our mice entered REM sleep within seconds of activating the neurons — we think this might be a critical node of a relatively small network that makes the decision whether you go into dream sleep or not.»

«Our measurements indicate that dendrites that are directly connected to the axon, actively propagate even small input stimuli and activate the neuron,» says second first author Tony Kelly, a member of the Sonderforschungsbereich (SFB) 1089 at the University of Bonn.

It's possible that when you activate those neurons, you have the reward system that's activated — you have this euphoria, this high — but at the same time you activate this stress peptide.»

Despite ceasing their compulsive drinking, the animals were still motivated to drink sugar water, which means that the researchers were successful at targeting only alcohol - activated neurons, and not the overall reward system of the brain.