Sentences with phrase «apply electrical current»

This study will include 36 people with spinal cord injuries who will be treated with epidural stimulation — a technique in which a device is used to apply electrical current to the spinal cord.
As scientists, clinicians and industry leaders study these fascinating but controversial mind - altering practices, one thing is clear: The idea of applying an electrical current to the scalp to boost learning or treat medical conditions in the comfort of one's own home is gaining traction.
After the volunteers had plunged into REM sleep, a state in which people are unable to move and the most vividly recalled dreams occur, researchers applied electrical current to their skulls near the forehead and temples.
At the touch of a button, this $ 2,500 option instantaneously alters the transparency of the new SL's roof panel by applying electrical current, delivering sunshine on your shoulder, but without messing your hair.

Not exact matches

Their technologies depend on a phenomenon called electrochromism — the ability of certain chemicals to change colour when electrical currents are applied.
Each element is activated by an electrical current which, when applied, heats the ink in contact with the element.
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.
Because the neural circuitry of the brain operates via electro - stimulation, applying small amounts of electrical current to the scalp (transcranially) has been investigated as a means of modulating brain activity.
When the recipient operates the device, it applies a continuous electrical current — at varying frequencies and intensities — to specific regions in the lower spinal cord where there are dense bundles of nerves that control the hips, knees, ankles and toes.
Instead, the triangular module applies pulsed electrical currents to the electrodes, targeting nerves on the face and neck that then modulate some of the hormones underlying the fight - or - flight response.
They found that when a negative electrical potential is applied to skin on various parts of the arm, creating a current, that stretch of skin exhibits a low resistance to a subsequent current flowing through the skin.
Di Ventra's team took advantage of the development this year of memristors — electrical resistors that retain a memory of earlier voltages or currents applied and vary their resistance accordingly — to design a simple circuit that models the amoeba's gel - sol system.
A small electrical voltage applied to one electrode — called the «gate» — increases the electrical conductivity between two other electrodes, allowing a large current to flow from one to the other.
Another limitation is that materials genomics has been hitherto applied almost exclusively to what engineers call functional materials — compounds that can perform a task such as absorbing light in a solar cell or letting electrical current pass in transistor.
If the right electrical current is applied, the electrons jump from layer to layer, in each step emitting energy in the form of light.
The fact that the protective aluminum oxide layer is not incorporated on the outside, as often attempted by other researchers, also makes it possible to apply a broad range of materials on both sides of the solar cell and allows the maximum penetration of light in the perovskite layer and thereby the optimum utilization of electrical current.
With their current work, the MIT researchers have enabled the control of the phase and electrical properties of this class of materials in a practical way, by applying an electrical charge.
Electrical conductivity, a measure of how strongly a given material conducts the flow of electric current, is generally understood in terms of Ohm's law, which states that the conductivity is independent of the magnitude of an applied electric field, i.e. the voltage per metre.
When a direct current was applied to [10] CPP - I, the bulk resistivity of the sample became approximately 380 times lower, indicating that it conducted electricity rather than resisting electrical transmission.
Applying a little electrical voltage to the transistor's gate controls whether that electron current flows.
Next, the researchers wanted to figure out how much current they needed to apply to the human scalp to produce those electrical fields inside the brain.
The technique uses transcranial direct current stimulation (tDCS), in which weak electrical currents are applied to the scalp using electrodes.
Current DBS devices apply a constant level of electrical stimulation, which can lead to rapid battery depletion and necessitate battery replacement surgeries.
When accelerator - pedal pressure is reduced or the brake pedal is applied, the main drive motor temporarily operates as a generator and the electrical current produced restores a portion of the battery's charge.
I have tried to find an OEM signal wire (e.g. from the hazard light switch or the main light switch stalk behind the steering wheel) that I could just apply the wires from the alarm to - with a diode to prevent current bleed back into the main electrical system - but I can't find anything that causes the vehicle lights to switch on and off.
When high voltage current is applied to the electrodes, it excites the gases inside the bulb and forms an electrical arc between the electrodes
AIRSCARF uses a heating element made primarily of barium titanate, which heats up in a matter of seconds when electrical current is applied.
When muscle spasms or nerve damage are an issue, a weak electrical current can be applied to the acupuncture needles for electrostimulation acupuncture therapy.
(charcoal, a form of carbon glows when an electrical current is applied to it) He originally settled on burnt cotton but this only gave about a 15 hours of light before burning out.
Mayo Clinic researchers have been working for over a decade on this technology, which uses software to analyze motion you see on a screen in front of you and an electrical current applied to your head to stimulate the inner ear in hopes of tricking you into feeling that motion.
For those unfamiliar, planar magnetic drivers use a polymer membrane stretched between two electromagnets to produce sound when electrical current is applied.
• Develop thorough understanding of contract plans and specifications including one - line diagrams, cable and conduit schedules and ladder / loop diagrams • Install and repair electrical systems, wiring, fixtures, motors per plans • Supervise and assign work to helpers • Diagnose problems, check current leakages and work with varied voltages to fulfill client's power source demands • Follow workplace safety guidelines while maintaining a safe and clean work area • Install relays, switches, circuit breaker panels and grounding leads • Test continuity of start - up systems and circuits using ohmmeter and oscilloscope • Handle terminations in keeping with color codes • Take necessary corrective actions to eliminate safety risks • Inspect helper's work for compliance with plans • Cut and install electrical conduits utilizing proper hand and power tools • Twist and solder wires together and apply terminal caps
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