Sentences with phrase «when electrodes»

So when the electrodes pick up that your focus is wandering, it'll play a tone.
As Dr. Becker demonstrated, this treatment consistently eliminated bacteria within a 1/2 inch radius of the positive electrode when the electrodes were surgically implanted.
Some people also benefit from deep brain stimulation, when electrodes are implanted into the brain.
Imitating nature, the robotic stingray is even able to «flap» its fins when the electrodes contract the heart cells on the biomaterial scaffold.
This time, the team observed excessive activity in the frontal cortex — and again, this activity disappeared when the electrodes were activated.
When the electrodes were activated, though, the neural activity of both brain regions in the people with OCD became virtually identical to that in the controls.
When the electrodes and the active layer are printed as thin films on top of each other, defects in one layer will act as points of attack for the next layer to be printed.
Neural signal patterns can change when the electrodes move even slightly; a neuron whose signal was not previously detected can end up joining the recorded ensemble while another might become excluded.
Also, not much happened when electrodes in a neighboring region were stimulated.
All three patients experienced significantly less hunger when the electrodes were switched on, and all regained their normal hunger when the electrodes were switched off.
You report on a woman becoming unconscious when electrodes in her brain stimulated «the claustrum», suggesting this area of the...
Once when I warned such a patient of my intention to stimulate the motor areas of the cortex, and challenged him to keep his hand from moving when the electrode was applied, he seized it with the other hand and struggled to hold it still.
When an electrode is close to a neuron, it can record the current produced by the neuron when it fires.
When an electrode in the upper surface is given a negative charge, it attracts granules towards it, making the surface appear white.

Not exact matches

The only thing that would help Mitt would be an electrode in his brain that would shock him when he's about to say something stupid, or a complete lie.
Removing leads: Be careful when it's time to take the electrodes off of your baby.
A variety of promising solid ion conductors exist, but none is stable when in contact with both the positive and negative electrodes in lithium - ion batteries, Shao - Horn says.
When the battery is discharged, electrons and ions move from one electrode to the other, generating a current.
In the readings from both the PEDOT: PSS and standard electrode grids, researchers could differentiate between when the patients were hearing the word versus when they were seeing it (or a picture).
By attaching multiple electrodes to the periphery of an object or conductive coating, Zhang and his colleagues showed they could localize where and when such shunting occurs.
It is done using electrodes placed in the brain, which recognise specific patterns of electric activity that occur when a person thinks about moving.
The key ingredient that makes the batteries rechargeable is a molecule called bismuth oxide which, when mixed into the batteries» zinc electrodes, prolongs the life of devices and allows them to recharge.
Along with the optical fibers, electrodes are implanted that record when neurons fire.
When the laser pulse has ionized the air, a current begins to pass between the electrodes and, as a result, the physicists are able to assess the appearance of the plasma clusters formed under the influence of the light that has formed into filaments.
When the microbes found in the soildigest organic materials, they naturally produce a small current, which can beharnessed with a simple device consisting of two electrodes and a small circuitboard.
When neuroscientists put electrodes into the periaqueductal gray region of rat brains and stimulated the neurons there, the creatures immediately started to run and jump uncontrollably.
However, using super-thin electrodes, the Lund group have now shown that no networks are needed: one single cell can learn when it is time to react.
When it comes to placing electrodes, «even just a few centimeters can be enough to change the effect,» Clark says.
When activated, a wheelchair - mounted computer causes jolts of electricity to be sent to those electrodes in the hand, causing the muscles to contract.
The stimulation volume (red), i.e. the area of the brain immediately adjacent to the electrode, which becomes «activated» when stimulation occurs.
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.
When a strip on the boxer's glove bridges the gap between two of the electrodes on the vest, it completes the circuit and the vest's overall resistance suddenly drops.
When they placed the electrode at a particular sweet spot, some rats pressed the lever hundreds of times an hour.
When that electricity is needed, the iron is pulled between two electrodes, which strip it of the excess electrons.
When it gets cold, the ester - based conventional electrolytes that lithium - ion batteries often use become sluggish conductors and the electrochemical reactions that occur at the interface of the electrolyte and the electrode struggle to continue — meaning that lithium - ion batteries don't hold up too well in ultra-chilly climates.
«When a strip on the boxer's glove bridges the gap between two electrodes on the vest, it registers a hit»
When it detects unusual electrical activity in the brain, it sends a charge through two electrodes to stop or even prevent a seizure.
In this method, when a liquid droplet suspended between a pair of electrodes in dielectric oil is exposed to a direct current (DC) electric field, the droplet moves between the pair of electrodes periodically and deforms under the intense DC electric field (Fig. 1).
When impaled with electrodes, these cells did not produce a crackle of electric pulses.
In the new engine, a calcium ion converts heat to motion when it is hit by noise coming from a set of electrodes.
When a constant voltage is applied between the two electrodes, one electrode holds positive charges, the other negative.
Until now, developed flexible electrodes have not been able to maintain their shape when implanted, which is why they have been fixated on a solid chip that limits their flexibility, among other things.
As a first test, the researchers implanted electrodes into the brains of females to identify the circuitry activated when they naturally formed a pair bond and mated.
The electrodes record electrical spikes when neurons fire.
When the frequency of that charge is the same as the natural resonant frequency of the electrode of the other coil, it will induce a higher and higher charge.
So when the solid electrode was pushed down, compressing the liquid droplets, or pushed laterally over the top of them, the device produced a very large capacitance and voltage.
Last year, Kaili and his colleagues placed electrodes on opposite ends of a 10 - centimeter - wide film, switched on an electric current, and were flabbergasted when it made noise.
When they do, the aptamers curl around the drug and pull the redox reporter close enough to the electrode for the electrons to hop over and produce a rise in the electric current, signaling the presence of the drug.
When a full batch is amassed, operators remove the electrode.
During initial trials with vanadate - borate electrodes, which were not made with material coated in RGO, the discharge capacity dropped drastically after 30 charge / discharge cycles, when the current rate was increased to 400 milliamp per gram.
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