Sentences with phrase «by electrodes on»

Electric signals in the muscles are picked up by electrodes on the skin.

One experimental group received only cognitive training; the second group received cognitive training and exercise; and the third group received cognitive training, exercise and noninvasive brain stimulation delivered by electrodes on the scalp.

The electrical signals in the muscles are sensed by electrodes on the skin.

Not exact matches

Embedded in the headset are 16 electrodes that press lightly on my scalp, monitoring the electrical signals generated by the 3 pounds of toothpaste - like goo sealed in my skull.

It works by sending comfortable, gentle pulses to the nerves through four electrode pads placed on the skin.

«Computer system transcribes words users «speak silently»: Electrodes on the face and jaw pick up otherwise undetectable neuromuscular signals triggered by internal verbalizations.»

BOSTON — Conflicting results on whether brain stimulation helps or hinders memory may be explained by the electrodes» precise location: whether they're tickling white matter or gray matter.

A microbial fuel cell, for example, could generate electricity by capturing electrons from the bacteria on electrodes instead of the rocks that these organisms evolved to breathe.

Like ECOG, EEG relies on brain signals picked up by an array of electrodes that are sensitive to the subtle voltage oscillations caused by the firing of groups of neurons.

In a separate experiment in anesthetized mice, the scientists «steered» the target area of the TI, without moving the electrodes on the animals» scalps, by altering the relative amount of current in each of the two high - frequency fields.

The electrode performance can be further enhanced by depositing a thin protective LiPON solid - state electrolyte layer on top of Li - terephthalate.

By placing electrodes on top of the brain, they hope to avoid the problems associated with devices that use implanted probes, which may cause scarring and swelling.

«We demonstrated the high design variability in the packaging of our electrode device, and in vivo neuronal recordings were performed by simply placing the device on a mouse's brain.

Usually, in small - molecule junctions, electrons «pushed» through the junction by the applied bias make the leap continuously, from one electrode into the other, so that the number of electrons on the molecule at each instant of time is not well - defined.

But since the material that will be needed for the electrode in these batteries is a mixture of the two, it may be possible to save on the initial materials costs by using «lower» grades of the two metals that already contain some of the other.

Krupenkin's inspiration is a technique called electrowetting, in which a conductive liquid droplet, placed on an electrode, is physically deformed by an applied electric charge.

The cylinders will be sandwiched between electrodes of gold - plated silicon but also separated from them by thin spaces of vacuum — the test masses will float on the electrodes» electrostatic field.

The researchers» next goal is «to manipulate and control a single electron and its spin on double - dot single - electron devices by using asymmetric side-gate electrodes to demonstrate spin qubits,» said Majima.

By attaching electrodes to the heads of infants and toddlers and measuring brain activity, Nathan Fox of the University of Maryland has discovered that the brains of timid children are more active on the right side — specifically, in a region called the right frontal cortex.

Those pixels are converted to an electric current that is sent to the business end of the plastic strip — a 12 - by - 12 grid of electrodes that rests on my tongue.

The six - legged biomechanical hybrid can rise, hover, and fly on command, guided by a radio receiver that relays signals to electrodes connected to the insect's optic lobes and flight muscles.

But that the EEG signals, electro - encephalography by electrodes placed on the skull, show different signals, was not demonstrated yet.

Using electrodes placed on the scalp and powered by a 9 - volt battery, a tDCS unit delivers weak constant current through the skull to the brain tissue below.

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

«Computer system transcribes words users «speak silently»: Electrodes on the face and jaw pick up otherwise undetectable neuromuscular signals triggered by internal verbalizations.»

We start by using EEG — or electroencephalography; in other words, using an electrode cap on the scalp to record [brain] activity from the outside.

Current technology focuses on managing these dendrites by putting up a mechanically strong barrier, normally a ceramic separator, between the negative and the positive electrodes to restrict the movement of the dendrite.

In this nitric oxide (NO) generator, which can be incorporated into a mechanical ventilator or anesthesia machine, air is taken in through the inlet on the left and passes by the electrode at the top of the vertical segment, where a series of sparks generates NO gas.

Past glucose biofuel cells kept the enzymes and redox mediators in close proximity to electrodes by chemically bonding them on.

Experiments by Alejandro Heredia of the University of Aveiro in Portugal and colleagues show that ferroelectric polarity flipping induced by a tiny electrode operates on an area of glycine crystal less than 100 nanometers across.

Now that the biologists had identified one site — out of many — housing neurons that activated selectively for social encounters, they listened in on the goings - on by placing very fine electrodes in proximity.

Small electrodes placed on or inside the brain allow patients to interact with computers or control robotic limbs simply by thinking about how to execute those actions.

Schematic shows the configuration for structural phase transition on a molybdenum ditelluride monolayer (MoTe2, shown as yellow and blue spheres), which is anchored by a metal electrodes (top gate and ground).

The original branch of the field focuses on infusing deuterium into a palladium electrode by turning on the power, Nagel explains.

Previously, users had to fully concentrate on one of three commands — turn left, turn right, or do nothing — creating specific brain wave patterns detected by an electrode - studded cap.

One virtual - reality experiment they are planning will record from electrodes in rats running on a stationary ball surrounded by screens showing changing environments.

After you inserted the electrode, you gave the rat the chance to turn it on or off itself by pushing a lever.

In a traditional X-ray machine, a filament emits electrons when it is heated above a certain threshold, and those electrons fly through the body and hit a metal electrode on the other side, creating images; CT scans produce three - dimensional images by rotating the electron source.

Ortigue and Bianchi - Demicheli put the improved EEG to the test by placing a set of 128 electrodes on a group of healthy volunteers and showing them pictures of people in swimsuits.

By using appropriately functionalized electrodes on both the positive and negative sides, in an asymmetric configuration, the researchers almost completely eliminated these side reactions.

They mounted the cell culture on a polymer panel studded with electrodes, which enabled Ben - Jacob and Baruchi to monitor the patterns created by firing neurons.

In the single - atom qubit used by Morello's team, and which Tosi's new design applies, a silicon chip is covered with a layer of insulating silicon oxide, on top of which rests a pattern of metallic electrodes that operate at temperatures near absolute zero and in the presence of a very strong magnetic field.

Scientists have tried to improve lithium - sulfur batteries by putting lithium metal on one electrode and sulfur on the other.

In 2003, however, researchers at the University of Groningen in the Netherlands who mounted single molecules of diarylethene between gold electrodes found that, even though the switches could be turned off by visible light, they could not then be turned back on by ultraviolet.

Boyden belongs to the young field of neuroengineering, which seeks to restore damaged brains by implanting tiny on - board computers and electrodes.

â $ œWe canâ $ ™ t be that hard on Penfield, because the number of cases where he was able to study head movement was quite limited, and studying head motion as he did, by applying an electrode directly to the brain, creates some challenges, â $ says lead author Buz Jinnah, MD, professor of neurology, human genetics and pediatrics at Emory University School of Medicine.

By comparing performance of cells on paper with those fabricated on glass and plastic films with different electrodes, we identify avenues that can help guide future research for improved performance.

They focused on the so - called N400, a distinct pattern of electrical brain activity that can be measured by electrodes placed on the scalp.

High - performance electrodes for lithium - ion batteries can be improved by paying closer attention to their defects — and capitalizing on them.

A team of scientists from Pacific Northwest National Laboratory, Utah State University, Northwestern University, and the University of Utah sought to understand this H2 relaxation mechanism by monitoring the effects of hydrogen (H) vs deuterium (D) on the kinetics of H2 formation when nitrogenase is attached to an electrode.