Sentences with phrase «electrodes placed»

(And as Gizmag explains, the lamp also relies on a galvanic cell battery with two electrodes placed in the salt and water electrolyte solution.)

Having worked at an industrial scale chlor - alkali plant, I can tell you that it's a lot more complicated (and inefficient) than just running some juice through a couple of copper electrodes placed in a cold water tank.

The response is collected with a special computer through extremely small electrodes placed under the skin of the scalp: one in front of each ear, one at the top of the head, and one between and behind the eyes.

The response is collected with a special computer through extremely small electrodes placed under the skin of the scalp: one in front of each ear and one at the top of the head.

There are implications of using these two options but both involve pairs of electrodes placed upon or within a muscle and measure the voltage between them (Reaz et al. 2006).

The electrical impulses are delivered through electrodes placed on the scalp.

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

Low - energy electrons will be filtered as they travel through a series of electrodes placed within the vacuum chamber as the magnetic field first dips in strength and then rises again as the electrons enter the second magnet, leaving only the highest - energy electrons for the calorimeter to analyze.

Electrodes placed on the head or directly in brain tissue allow scientists to monitor the cumulative effect of this electrical activity, called electroencephalography (EEG) signals.

Stimulation was bipolar, with the electrodes placed 1.5 mm apart (surface area, 0.059 cm2), with a cycle of 5 seconds on and 5 seconds off at a frequency of 50 Hz and a pulse width of 300 μsec.

During tDCS a low amplitude direct current is applied through electrodes placed on the scalp using a headset.

To demonstrate the Expressiv application, researcher Marco Della Torre wore an EEG helmet with electrodes placed in various spots on his head.

The newer, brain - controlled versions of these devices work in one of two ways; either through an electroencephalogram (EEG) cap that detects neural activity using electrodes placed on the scalp or a device planted directly into the brain.

Parvizi used electrodes placed on Blackwell's scalp to trace the seizures to the temporal lobe, about an inch above Blackwell's right ear.

In order to identify the part of their brains responsible for seizures, the patients underwent 1 to 4 weeks of observation through electrocorticography (ECoG), a technique that provides precise neural recordings via electrodes placed directly on the surface of the brain.

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.

The researchers enrolled epilepsy patients at Wake Forest Baptist who were participating in a diagnostic brain - mapping procedure that used surgically implanted electrodes placed in various parts of the brain to pinpoint the origin of the patients» seizures.

In this painless treatment, low - level current is passed through two electrodes placed over the head to tweak the electrical activity in specific areas of the brain.

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.

This involved running a painless electrical current between two electrodes placed on the participant's scalp, to activate the right inferior frontal gyrus, a part of the brain that controls inhibitory control.

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

Using electroencephalography (EEG)-- in which electrodes placed in the brain measure neural activity — the team saw a sharp wave of action in the mouse brains from the hippocampus in the midbrain to the neocortex (the outermost brain layer).

Then you can make the drink seem sweeter, saltier or more bitter using tongue - stimulating electrodes placed around the rim.

The system takes electrical signals from the participant's brain, which then travel down to electrodes placed around his knees to create movement.

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.

Specifically, the study relied on data collected at NYU ECoG, a center where brain activity is recorded directly from patients implanted with specialized electrodes placed directly inside and on the surface of the brain while the patients are performing sensory and cognitive tasks.

Also, the team plans to create devices with even higher density, including a double - sided microelectrode array with 64 electrodes per tine instead of eight — making for a total of around 4,000 electrodes placed in the brain at once.

Electrodes placed around the tube generated an electric field of varying strength that guided the molecules, allowing them to whip around the tube more than 1000 times (Physical Review Letters, DOI: 10.1103 / PhysRevLett.105.173001).

Two biomedical scientists at the University of Malmo in Sweden created an electric current between two electrodes placed in a solution of blood and water.

Researchers in South Korea have transmitted data at a rate of 10 megabits per second through a person's arm, between two electrodes placed on their skin 30 centimetres apart (Journal of Micromechanics and Microengineering, DOI: 10.1088 / 0960-1317/20 / 2 / 025032).

It is done using electrodes placed in the brain, which recognise specific patterns of electric activity that occur when a person thinks about moving.

They also had electrodes placed on their scalp to measure electrical activity in their brain.

A noninvasive technique for brain stimulation, tDCS is applied using two small electrodes placed on the scalp, delivering short bursts of extremely low - intensity electrical currents.

Both of the painful procedures, but not the other stimuli, elicited an identically large response, detectable by an electrode placed at the top of the head approximately half a second later.

Standard cochlear implants function by stimulating nerves using an electrode placed inside the cochlea, a tiny spiral cavity inside the ear.

If a monkey sees a light in the upper - left corner of its field of view, for instance, an electrode placed in the upper right of the superior colliculus map will fire.

Now Slater and her team have found that an electrode placed on the midline of the scalp can detect brainwave patterns associated with pain.

The color in the display is presented by using colored particles in an electrode placed above the grayscale unit.

Not exact matches

Ideally, AEDs should be placed so that (a) the response time (time from collapse to arrival of responder with AED) is no more than 2 minutes and (b) the call - to - shock interval (time it takes to notify designated responders, the AED is accessed, reaches the victim's side, the electrodes are applied and the first shock delivered) is no more than 4 minutes.

Basically, they place the acupuncture needles in specific places on your body (ankles, lower back, hands, etc.) and attach electrodes to the needles which transmit a low electrical current to stimulate the acupoints.

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

Sticky electrodes tend to stay in place better to prevent false alarms, but non-stick leads can work well for a baby with sensitive skin.

Stick - on electrodes will be placed on your child's face and chest to measure eye movements, heart rate and muscle tone during sleep.

The electrodes that were placed on your child for the overnight study will remain, but some adjustment or reapplication may be necessary in the morning.

The device is an improved version of a clinical tool called an electrode grid, which is a plastic or silicone - based grid of electrodes that is placed directly on the surface of the brain during surgery to monitor the activity of large groups of neurons.

More recently a similar experiment placed people in an fMRI scanner instead of hooking them up to electrodes.

Deep brain stimulation is used in Parkinson's disease to trigger brain cell activity and prevent the abnormal signalling that causes debilitating tremors, but placing the electrodes required is highly invasive.

Once the electrodes were placed on the brains of each patient, Shestyuk and her colleagues conducted a series of eight tasks that included visual and auditory stimuli.

When it comes to placing electrodes, «even just a few centimeters can be enough to change the effect,» Clark says.

The device is based on two electrodes, one placed next to the heat source and the other close to cooler air.