Sentences with phrase «electrical activity from»

Our bodies also emanate information via electrical activity from brains and hearts, DNA from flaking skin cells and shedding hair, and data on health status from germs emitted when we cough, sneeze or spit.

For example, the Center brings in a device that uses electrical activity from a muscle to control a robotic gripper, which demonstrates the concept of a brain - machine interface.

Recording Electrical Activity from Identified Neurons in the Intact Brain of Transgenic Fish.

They showed these images to two monkeys while recording electrical activity from individual neurons in three separate face patches in both animals.

Next the researchers showed these images to monkeys while recording the electrical activity from individual neurons in three separate face patches.

To map the speech centers, Chang and his colleagues recorded electrical activity from about 12 patients while they pronounced various sounds, such as «bah,» «dee» and «goo.»

Testing showed a significant increase in light - induced electrical activity from the eyes to the brain, indicating the rods and cones were operating as they should in the visual cycle.

Researchers had macaques look at faces, while recording electrical activity from 205 of the monkey's neurons.

Not exact matches

With help from a neuroscientist and a qEEG machine, Waldman maps out the brain's electrical activity in both speaking and resting states.

When researchers looked at their brain activity during these times, they saw that one hemisphere of the brain had electrical patterns resembling nighttime sleep, whereas patterns from the other hemisphere indicated wakefulness.

His mission — called the Anomalous Transport Rocket Experiment — will allow scientists to better model electrical activity that can interfere with signals from satellites and spacecraft.

The project was funded by the Center for Brain Activity Mapping (CBAM) at UC San Diego and brought together experts from multiple fields, including neurosurgeons, neuroscientists, electrical engineers, materials scientists and experts in systems integration.

Using an electroencephalogram (EEG) to detect electrical activity in the brain, Emmanuelle Tognoli, Ph.D., co-principal investigator, associate research professor in FAU's Center for Complex Systems and Brain Sciences in the Charles E. Schmidt College of Science, and an expert in electrophysiology and neural, behavioral, and cognitive sciences, will examine how the tactile information from the robotic sensors is passed onto the brain to distinguish scenarios with successful or unsuccessful functional restoration of the sense of touch.

The stethoscope picks up brain wave activity through a pair of wearable electrodes that detect electrical emissions from the neurons beneath them.

Imagine that one day years from now, a peculiar pattern of electrical activity courses through your heart, causing it to beat erratically.

The disability score ranged from 0 (no disability) to 88 (severely disabled) and incorporated measurements of sensation, muscle power, tendon reflexes and electrical activity in the leg nerves.

Recording the electrical activity of neurons directly from the surface of the brain, the scientists found that for a simple task, such as repeating a word presented visually or aurally, the visual and auditory cortexes reacted first to perceive the word.

As signals are sent from one cell to the next, rhythmic patterns of electrical activity, commonly known as brain waves, are generated.

The computer monitors slow cortical potential, a component of the brain's electrical activity; when the SCP is positive, a cursor travels from the bottom to the top of the screen; if neutral, it goes the other way.

That allowed researchers to record electrical brain activity from individual neurons while the participants moved or tried to move their fingers and wrists, which were equipped with sensors to record physical movement.

This method was mainly invented to overcome the technological barrier to measure the activity from many neurons simultaneously, using the assumption that each neuron tends to fire spikes of a particular waveform which serves as its own electrical signature.

The researchers then measured cell composition and electrical activity again and found that the cells dramatically changed when they were in contact with neurons from different regions.

They began by characterizing the cell composition, protein expression, metabolism, and electrical activity of neurons from each region in vitro.

Scientists in the US are planning to map the brain activity of the dragonfly as it hunts, using a specially built backpack to transmit electrical signals from the insect's active neurons to a computer.

After the associations between smell and place were well established, the researchers could see a pattern of brain wave activity (the electrical signal from a large number of neurons) during retrieval.

Electrodes are surgically implanted into or on top of target nerve fibres, ready to sense electrical signals from neural activity or to deliver electric current that mimics the language of the nervous system.

A Caltech team has deciphered the way we identify faces, re-creating what the brain sees from its electrical activity

Interestingly, by recording the electrical activity in the spinal cords of mice depleted of NPY interneurons, the researchers discovered that the NPY neurons seem to selectively inhibit or gate light touch signals coming from hairy skin, but not the non-hairy (glabrous) skin, such as the skin found on your palm.

«Although responders and nonresponders both produce more electrical impulses and spontaneous activity, when we look at the electrophysiological properties, the two groups are very different from each other.»

To go further, the pair started combining their electrode recordings of individual neurons with readings from an intracranial EEG, which measures overall electrical activity in a larger area of the brain.

Cardiac arrest results from a disturbance in the electrical activity of the heart that causes it to stop beating.

Alpha oscillations are regular fluctuations in the electrical activity in the back of the human brain — an area that includes the visual cortex, responsible for processing signals from the eyes.

This may help us to understand how processes such as learning and memory formation, which require long - term changes in the brain, arise from the short bursts of electrical activity through which neurons signal to each other,» Greenberg said.

They report this month in the Proceedings of the Royal Society B that changes in the heartbeat due to temperature (the heart slows as it cools and then speeds back up as the fish resurfaces) and adrenaline, released from the stress of diving, alter the electrical activity of the heart cells to sustain the constant calcium cycling needed to keep the heart going.

Even after complete spinal paralysis, the human spinal cord is able to trigger activity in the leg muscles using electrical pulses from an implanted stimulator.

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.

Inside the hat, an array of up to 128 EEG sensors record electrical activity leaking from the wearer's brain through their scalp.

To compare hearing ability in former musicians to people who never played an instrument, researchers measured the electrical brain activity produced by a type of auditory processing called «neural timing,» which enables people to respond to split - second changes in sound such as the transition from a consonant to a vowel.

To determine which neural recordings corresponded to the «ignored» and «attended» speech, the team reconstructed speech patterns from the brain's electrical activity using a mathematical model.

Rose and neuroscience doctoral student Rishi Alluri used a novel combination of recording electrical activity of single brain cells and blocking neurotransmitter chemicals that carry nerve signals from one nerve cell or neuron to the next.

In a normal brain, the neurons of the central thalamus crackle with electrical activity when we struggle to pay attention to the world around us, and they accelerate their action as we emerge from sleep.

They listen, through your scalp, for the incredibly weak remnants of electrical signals from your brain activity.

A major contribution came from a group of investigators working in Vienna, including Stumpf and Wolfgang Petsche, who established the critical role of the medial septum in controlling hippocampal electrical activity, and worked out some of the pathways by which it exerts its influence.

They sprouted tiny projections, called dendritic spines, which receive signals from other neurons in a circuit, and six out of the seven organoids that grew for at least eight months formed active neuronal networks, spiking with electrical activity.

«His biggest contribution was taking the plasma activities at MIT from a group of warring fiefdoms to a unified and productive laboratory,» said Ronald Parker, a professor of nuclear engineering and electrical engineering and computer science emeritus who succeeded Davidson as the director in 1988.

His studies, ranging from molecular experiments to clinical trials, have generated comprehensive evidence for the efficacy of omega - 3 in preventing cardiac sudden death and established the mechanism by which omega - 3 fatty acids can reduce cardiac arrhythmia by interacting with membrane ion channels and stabilizing the electrical activity of heart cells.

In a series of electrophysiological studies, Zoghbi's team further found that neurons from animals with depleted MECP2 levels have reduced electrical activity due to a smaller number of excitatory synapses, whereas cells from animals carrying an extra copy of the gene have increased electrical activity because of an increase in synapse number.

Traditionally, it was thought that the there were three main factors that derived from CNS activity that subsequently affected EMG amplitude: the motor unit recruitment extent, the motor unit firing frequency, and the synchronisation of these electrical impulses (with greater synchronisation perhaps implying greater neural drive from the CNS)(see review by Behm, 1995).

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