Sentences with phrase «firing of neurons in»

«2 Additional neurochemical changes in norepinephrine levels and cortisol during stress can rapidly switch off the firing of neurons in the prefrontal cortex that forms long - term memory and directs executive functions.

Plus, it's why some experts think déjà vu is triggered by a kind of disruption in the firing of neurons in the brain, says Dr. Medalia.

Before long, she struck up an acquaintance with Stanford University neuroscientist Karl Deisseroth, now celebrated for his pathbreaking work in optogenetics — an approach that uses light to control the firing of neurons in living animals.

Neuroscientists have used optogenetics methods to control the firing of neurons in animals, and others have also fused light - sensitive switches to enzymes, but this new approach goes beyond that to allow light to control a chosen gene, explains MIT neuroscientist Edward Boyden.

The gamers showed changes in the rhythmic firing of neurons in the part of the brain known as midline frontal theta.

The team is now talking with other researchers to study compounds that potentially normalize the firing of neurons in the brain's reward system to help control the over-consumption of alcohol.

Their findings: a synchronous firing of neurons in the neocortex was followed by a diverse set of responses in the hippocampus.

Since general anaesthetics seem to suppress the firing of neurons in the brain's cortex, Brown's team reasoned that boosting their activity might have the opposite effect.

Looking inside the brains of animals exposed to chronic social defeat stress, the scientists observed hyperactive firing of neurons in the ventral tegmental area (VTA), a critical part of a reward circuit.

It is real to me because the firing of neurons in my brain stem are interpreted as real sensory data by my brain.

THE firing of every neuron in an animal's body has been recorded, live, for the first time.

Not exact matches

Patterns in beasts» acts are the sole witness to a design by irony inspired: when scientists mapped how the neurons fired in the cortex of the brain when learning, on - screen a melody was coldly burning.

But if our conceptualising depends on a material representation of a thing (say a neuron - firing sequence in the brain) it simply can not be universal knowledge.

It is the power I exercise over my brain, my whole nervous system, and indeed over my whole body, Of this power we may say, in a commonsense way and subject to later qualification, that I exercise it while acting; and that some neuron in my brain that fires in the course of the action, or some neural network through which a complex impulse passes, is subject to iOf this power we may say, in a commonsense way and subject to later qualification, that I exercise it while acting; and that some neuron in my brain that fires in the course of the action, or some neural network through which a complex impulse passes, is subject to iof the action, or some neural network through which a complex impulse passes, is subject to it.

That is to say that although the agent's power is dependent upon the nervous system in that it is performed in and with it, nonetheless that same power is exerted over the nervous system and indeed over any particular neuron that fires or is constrained from firing in the course of the action.

If we compare the power I exercise by way of sound waves upon your ears (power, sense 1) with the power that I, in action, exercise upon some neuron that fires or is inhibited from firing during the action (power, sense 2), we see a marked difference.

If the action under consideration takes longer than the firing of the neuron, as in the case of uttering a sentence, then it would appear that an action can exercise power on an event that ended before the action itself ended.

God and spirituality are feelings created by the bio-chemical firing of neurons and connections within your brain and don't exist in objective reality.

On a scientific level, she would have known well enough that as she looked at her baby, a whole bunch of neurons firing on overdrive in her brain would be producing a set of chemical reactions and hormones, and that those would be contributing to the emotional urge to protect and care for her newborn son with every ounce of her being.

This minister made some sort of connection, the neurons that fired when she had Spong in her head happened to fire when you spoke.

Do you have half a neuron that fires in that head of yours?

We can compare the diverse tasks performed by a colony to the many proteins generated by gene transcription, to various cell types of a developing embryo, or to the firing patterns of neurons in the brain.

I peeled and cored apples and fell in love all over again, as I do every year, with the smell of sugar and cinnamon and nutmeg and lemon together, neurons firing as I watched the caramel pour out in thick ribbons of warm toasty goodness.

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.

When the researchers gave the mice a drug called lamotrigine, often prescribed for bipolar disorder, the animals» brain activity mimicked that of their resilient counterparts: The neurons in the already hyperactive VTA started firing even more intensely, followed by a lull and abatement of depression symptoms.

The discovery, reported in June in Cell, completely breaks with the standard model of facial recognition, which claims each face you recognize is represented by a single neuron (one cell firing when you see your grandmother, another when you see Jennifer Aniston).

It is the consecutive firing of these individual, specialized neurons, each responsible for a specific detail in a picture or pattern, they argued, that helps us build complex images in our mind's eye.

In 2011 researchers found that these waves of electricity cause neurons in the hippocampus, the main brain area involved with memory, to fire backward during sleep, sending an electrical signal from their axons to their own dendrites rather than to other cellIn 2011 researchers found that these waves of electricity cause neurons in the hippocampus, the main brain area involved with memory, to fire backward during sleep, sending an electrical signal from their axons to their own dendrites rather than to other cellin the hippocampus, the main brain area involved with memory, to fire backward during sleep, sending an electrical signal from their axons to their own dendrites rather than to other cells.

Fox replies: It has been estimated that only 1 to 15 percent of neurons in the human brain are firing at any given instant.

Thus, light - sheet systems have become the next wave in live - cell imaging for many scientists interested in high - speed cellular activities, such as the firing of neurons or the flowing of blood cells.

Cells in the motor cortex of mice display regions in which the neurons are active (in green) and regions in which neuron firing is inhibited (in red).

Neurons that fire in response to horizontal and vertical movements had already been found in the retinas of mammals, but the only cells known to be sensitive to approaching objects were in the brain.

The locust detects smells with its antennae, and Laurent's previous work had shown that odors excite a group of about 100 neurons located in the antennal bulb to begin firing a rhythmic series of pulses — an oscillation.

Electromagnetic coils are positioned near a patient's skull to deliver brief pulses of magnetic fields; these induce electric currents inside the head, which cause neurons to fire in brain regions associated with mood.

For example, suppose you accept that God steps in every so often to fix the outcome of a quantum event in the brain — manipulating the motion of electrons to cause a neuron to fire, perhaps, influencing your decision on whether to become a priest or a scientist.

When an individual is not concentrating on a complex task, neurons in that part of the brain fire sporadically, constituting what Minzenberg calls the exploration mode.

STT neurons fired in response, but scratching the skin caused the frequency of the firing to drop in some of the neurons, indicating that these are the ones targeted by scratching (Nature Neuroscience, DOI: 10.1038 / nn.2292).

Studies on monkeys reveal that certain neurons in a specific fold of the parietal lobe fire more vigorously in response to increasingly higher numbers.

In the neurons of sedentary mice only, the cold water spurred an increase in «immediate early genes,» or short - lived genes that are rapidly turned on when a neuron fireIn the neurons of sedentary mice only, the cold water spurred an increase in «immediate early genes,» or short - lived genes that are rapidly turned on when a neuron firein «immediate early genes,» or short - lived genes that are rapidly turned on when a neuron fires.

In other studies, Fried actually saw associations forming — neurons that originally fired for celebrities (like Clint Eastwood) began to also fire for landmarks (like the Hollywood sign) after patients saw pictures of the celebrity - landmark pairings.

And of those responding neurons, 51 fired in response to only a single person or thing.

A new study has found that mirror neurons, which help us mimic and empathize with others, are less likely to fire in response to someone of a different race.

The fear conditioning experiments, done with live rats, showed that individual neurons in the amygdala, the emotional hub of the brain, that were initially capable of telling apart safe from dangerous stimuli can start firing indiscriminately — causing the rat to become fearful of non-threatening stimuli.

Electrical signals in a majority of amygdala neurons mirrored the animal's behavior — they fired more in response to the dangerous tone compared to the safe one.

Roi Cohen Kadosh at the University of Oxford and colleagues applied transcranial direct current stimulation (tDCS)-- a way of changing the voltage across neurons that makes them more or less likely to fire — to the right parietal cortex while simultaneously using the opposite current to subdue activity in the left.

Data from electrodes implanted into their brains showed that neurons in the impaired rats fired less often in the presence of odors.

In chemogenetics, however, no cables are needed because neurons are altered to fire in the presence of a certain chemical rather than lighIn chemogenetics, however, no cables are needed because neurons are altered to fire in the presence of a certain chemical rather than lighin the presence of a certain chemical rather than light.

A small proportion of the neurons in the lateral habenula fire several times in quick bursts, rather than firing once at regular intervals; the team found that «depressed» rodents had a lot more of these quick burst cells.

Stanford University researchers studying how the brain controls movement in people with paralysis, related to their diagnosis of Lou Gehrig's disease, have found that groups of neurons work together, firing in complex rhythms to signal muscles about when and where to move.

Electrodes were implanted in the part of Idoya's brain that controls leg movement; these devices recorded the activity of 250 to 300 neurons that fired when her ankles, knees, hip joints, and feet moved or were about to move.