Sentences with phrase «with electrical pulses»

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.
They make up the brain's hard wiring and send messages with electrical pulses.

Not exact matches

Brain waves are electrical pulses that fire between masses of neurons, allowing those neurons to communicate with each other.
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.
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 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.
Before neuroscience could tackle its biggest question — how the brain transforms chemical reactions and electrical pulses into cognition — it had to wrestle with the tiny.
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.
Zapping the brain with magnetic pulses while measuring its electrical activity is proving to be a reliable way to detect consciousness
In theory, computers could be made around a thousand times faster by «turbo - charging» their electrical components with light pulses.
This time, they found that young men and young women responded differently, with males showing a greater increase in electrical activity in the brain in response to a TMS pulse.
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.
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.
«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.
Neuroscientists at the Ruhr - Universität Bochum have developed a glove that uses weak electrical pulses to stimulate the nerve fibers that connect the hands with the brain.
This electrical pulse, combined with the signal received from other neurons, acts to stimulate the synapses.
Stimulating excitatory cells with chemicals or electric pulses causes them to fire, or send electrical signals of their own to neighboring neurons.
The device is a pacemaker with a tiny generator and a sensing lead, but instead of using electrical pulses to control abnormal heart rate, the device uses two wires to stimulate the tongue.
The new cells started pulsing in unison with the rat cells, indicating that they'd formed successful electrical connections.
This is done by sending electrical pulses into the brain via a pipette filled with electrically conductive fluid.
Last year bioengineers at Stanford University exploited this feature with an arcade - style game called PAC - mecium that uses electrical pulses to steer live paramecia through a maze and collect dots.
And it worked: They found treating inkjet - printed, multi-layer graphene electric circuits and electrodes with a pulsed - laser process improves electrical conductivity without damaging paper, polymers or other fragile printing surfaces.
Each ECT session delivered a 0.5 millisecond electrical pulse for 1 second, with a frequency of 100 Hertz and 40 milliamp current 3/4 about 5 percent of the total electrical charge given to a human patient.
They worked with an undergraduate student at the University and a watch repairman to convert a spring - wound pocket watch into a portable pulse counter and built tiny electrical sensors that could be glued reliably to the chest — the first gel electrodes.
All our thoughts, emotions, and behaviors are affected by our brainwaves, which are tiny pulses of electrical activity produced as the neurons communicate with each other.
Some collars are designed with short electrical pulses that last from a few seconds to minutes or a continuous stimulation that will last as long as the remote is pressed.
Typically, our anaesthetized patients are monitored with the following: Capnograph (measures expired carbon dioxide and breaths), Apnea alarm (alarms if breathing stops), Pulse Oximetry (measures Oxygen levels in the blood), Scrolling EKG (measures electrical activity of the heart), Blood Pressures (using a Oscillometric Cardell Blood Pressure unit), Thermometer (keeping the patient warm is critical to success) and of course a dedicated technician monitoring other parameters (like depth of anesthesia, pulse pressures, etc) continuously througPulse Oximetry (measures Oxygen levels in the blood), Scrolling EKG (measures electrical activity of the heart), Blood Pressures (using a Oscillometric Cardell Blood Pressure unit), Thermometer (keeping the patient warm is critical to success) and of course a dedicated technician monitoring other parameters (like depth of anesthesia, pulse pressures, etc) continuously througpulse pressures, etc) continuously throughout.
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