Sentences with phrase «of electrical pulse»

And each show is enhanced by the other: a sort of electrical pulse of ideas, back and forth through the space.

During these experiments, Bensmaia and his team manipulated various features of the electrical pulse train, such as its amplitude, frequency and duration, and noted how the interaction of each of these factors affected the animals» ability to detect the signal.

«The fact that we can induce a short seizure, of approximately 1 to 3 minutes long, with the exact timing of an electrical pulse, and that these worms react well to antiepileptic drugs, makes this new assay a perfect model for high - speed drug screens in multi-welled plate readers,» said Ken Dawson - Scully, Ph.D., corresponding author and associate professor in the Department of Biological Sciences and associate director of the FAU Brain Institute.

But until now, the precise shape, or waveform, of the electrical pulse applied has been a matter of guesswork.

Created by startup Halo Neuroscience, which is backed by top investors such as Andreessen Horowitz, the gizmo, «beams a flow of electrical pulses to the brain's motor cortex,» Christina Farr writes.

Audience members watched a 3D representation of Agus» brain respond to the music by way of electrical pulses.

Conforming to the shape of your heart, the network delivers its own set of electrical pulses, resetting the normal rhythm.

As a read head moves above bits of magnetic data, changes in the magnetic orientation of those bits alter the electrical resistance of electrons flowing through the sensor, translating the magnetic data into a stream of electrical pulses.

Perhaps controlling the frequency, voltage and waveform of the electrical pulses used to energize the plasma affects the depth to which it penetrates living tissue.

When a pattern of electrical pulses passes round the ring, the distortions create a travelling wave which extends or contracts the lens to focus it.

A stimulus of electrical pulses was used to activate the part of the brain that controls movement in the right thumb.

There, the pattern of electrical pulses resolves into something recognizable — a landscape, printed words, a face.

But the timing and duration of these electrical pulses can not be controlled; they're delivered on a consistent basis, 24 hours a day.

Neurons encode information in the form of electrical pulses that can be transmitted to other neurons.

Not exact matches

Brain waves are electrical pulses that fire between masses of neurons, allowing those neurons to communicate with each other.

Some scientists believe that an electrical apocalypse could really occur, in the event of an electromagnetic pulse attack, described in one 2008 white paper as «a high - intensity burst of electromagnetic energy caused by the rapid acceleration of charged particles.»

Encouraged by initial studies, the Dutch government in 2006 successfully lobbied the European Commission to allow 5 % of each country's fleet to use pulse trawling, exempting them from the European Union's 1988 general ban on electrical fishing.

Neuroscience focused on the nuts and bolts of the brain: how nerve cells communicate with electrical and chemical pulses, how brains learn and calculate and remember.

Treatments include drugs to regulate the electrical pulses in the upper chambers of the heart and 3/4 increasingly 3/4 catheter ablation.

In Vader's device, an electrically - pulsed magnetic field permeates liquid metal in an ejection chamber and creates circulating electrical currents that interact with the magnetic field to produce a pressure that squeezes a droplet out of the ejector nozzle.

The Northwestern team, led by physiologist James Surmeier, reports in the online edition of Nature that the dopamine neurons, which are targeted by Parkinson's, are constantly at work — like a pacemaker — sending the striatum nonstop, electrical pulses.

As long as the pulse activates enough nerves it will have performed its role, but as each waveform uses a different amount of electrical energy, it's possible that implants could be putting out unnecessarily strong pulses that waste precious battery power.

The intense light pulses, with a peak power that briefly exceeds the electrical generating capacity of the entire United States, also sparked fleeting bits of antimatter in their wake.

A magnetic coil surrounds the tube and receives a short - lived electrical pulse to create a pressure within the tube that ejects a droplet of liquid metal through the orifice.

Biophysicist Benoit Roux of the University of Chicago recently used the world's fastest supercomputer — Jaguar, at Oak Ridge National Laboratory in Tennessee — to see how each of the protein's 350,000 atoms would react to such electrical pulses.

Highly focused magnetic pulses of up to 1.5 teslas induce an electrical current two to three centimeters deep in the left prefrontal section of the cerebral cortex.

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.

It is not clear how the lights are produced, but Friedmann Freund of NASA's Ames Research Center in Moffett Field, California, thinks that when rocks in the crust are squeezed, chemical bonds break to produce a pulse of electrical charge that travels up to the surface.

However, most commercial electroporation - based transfection methods require the use of specialized pulse generators to produce short electrical pulses at high voltage.

In the study, the researchers show that after two to four weeks of 3 - D culture, the resulting muscle cells form muscle fibers that contract and react to external stimuli such as electrical pulses and biochemical signals mimicking neuronal inputs just like native muscle tissue.

Similar devices are used today to transform the digital 1s and 0s in electrical data into optical pulses that are then sent around the world, forming the backbone of the Internet and long - distance phone lines.

The researchers say the electrical pulse temporarily opens pores in the walls of cells, allowing anticancer drugs to slip inside before they close again.

To test the particles, the researchers implanted mice with a tumorlike gel saturated with nanoparticles and placed those mice into the wells of cup - shaped electrical coils, which activated the nanoparticles via magnetic pulses.

The researchers applied electrical pulses to eject electrons from the first layer of gallium arsenide and into the second layer.

When engineers flip a switch in 2007, a 12,000 - ampere pulse of electrical power will slam down huge coils of electromagnets, creating fields 100,000 times more powerful than Earth's.

The membrane is compressed slightly, and this change leads to an electrical pulse as a consequence of the piezoelectric effect.

Based on years of scientific research into the root causes of the condition, the device uses precisely timed sounds and weak electrical pulses that activate touch - sensitive nerves, both aimed at steering damaged nerve cells back to normal activity.

«In contrast to conventional electronics, we developed an all - optical scheme for controlling individual quantum bits in semiconductors using pulses of light,» said David Awschalom, director of UCSB's Center for Spintronics & Quantum Computation, professor of physics and of electrical and computer engineering, and the Peter J. Clarke director of the California NanoSystems Institute.

Some fish, such as the electric ray (Torpedo nobiliana), stun their prey with huge electrical discharges, while others sense their surroundings with a stream of weak pulses — sometimes more than 1000 a second.

Neuroscientists believe that memory forms when neurons in these key brain structures are simultaneously activated by glutamate and an electrical pulse, a result of everyday sensory experience.

Several groups of fish have evolved the capacity to generate electrical pulses from specialised «electric organs», derived from either muscle tissue or nerve tissue.

To make Dolly, researchers took the nucleus out of a mature egg and replaced it with the nucleus from a cell of the ewe they wanted to clone; then they activated development with electrical pulses and implanted the embryo into a surrogate mother ewe.

Furthermore, Hoope has an anesthetic system by which an electrical pulse generates numbness, preventing pain at the time of the puncture.

Every pulse of light reliably triggered one or more electrical pulses in the infected neuron.

For the past several years, researchers at the University of Illinois at Urbana - Champaign have been developing a class of walking «bio-bots» powered by muscle cells and controlled with electrical and optical pulses.

These are the electrocardiogram (ECG), which measures the electrical activity of the heart using leads on the chest, and fingertip pulse oximetry which uses photoplethysmography.

A hair of a diode feeds electrical pulses into one side of a single cell; an electrode on the other side records that cell's response.

These electrical pulses travel along specialized extensions called axons to cause the release of chemical signals elsewhere in the brain.

After two or more weeks of recording the activity, doctors program the device to specifically respond to these abnormal signals by delivering imperceptible electrical pulses to the brain that normalize the activity.

Then they pulsed electrical current — similar to the current in a brain — through each slice and measured the strength of the electrical signal in the synapses.