Sentences with phrase «of an electrode into»

University of Florida surgeons use mapping software to plan the insertion of an electrode into a patient's brain.

Not exact matches

Colorado - based Cochlear's processors gather sound from the environment, turning it into an electrical signal and send it to an electrode implanted in the ears of people with hearing loss.
Scientists at the University of Wisconsin and UCLA conducted the study, which implanted electrodes deep into the craniums of epilepsy patients to monitor their brain activity during seizures.
If one then asks the machine to make us happy, the computer might then simply implant electrodes into the pleasure centers of our brains.
Traumatic birthing experiences, like the use of drugs to induce labor and numb pain, internal electrode probes screwed onto baby's scalp, forceps, C - section, immediate cord clamping, suctioning, rough handling, bright lights, separation from mom and being left alone in a nursery incubator etc., can be hard - wired into a deep memory base that you, as a now functioning adult, can't even remember, let alone access!
Inserting electrodes into the brains of two macaques, Tsao worked out which aspects of a face were mapped onto each neuron.
While the actual filling process takes only a few seconds, battery manufacturers often wait several hours to ensure the liquid is fully absorbed into the pores of the electrode stack.
«The moment I first dropped an electrode into a slice of brain and heard all these neurons firing away like a thunderstorm, I was hooked,» Miller recalls.
These were subsequently fed into a part of the paw of an anesthetized rat, and then, with the help of electrodes in the brain and advanced analytical techniques, the researchers were able to measure the reactions in the neuronal networks.
Many neuroscientists had long believed that the only way to extract data from the brain specific enough to control an external device was to penetrate the cortex and sink electrodes into the gray matter, where the electrodes could record the firing of individual neurons.
Michelle McComb of Florida Atlantic University in Boca Raton and colleagues implanted electrodes into the eyes of three species of hammerhead — the winghead, the bonnethead and the scalloped hammerhead — and two other shark species to measure their field of vision.
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.
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 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.
Data from electrodes implanted into their brains showed that neurons in the impaired rats fired less often in the presence of odors.
To do so, researchers will need to find non-invasive ways to record the firing of individual neurons, because all current methods involve opening the skull and, often, sticking electrodes into brain tissue.
They inserted 100 electrodes into the brains of two healthy monkeys to record the neural activity linked to different hand and arm muscle activity.
Symptoms such as movement restrictions, muscle rigidity, or tremor can be alleviated using the neurosurgical procedure which places small electrodes into deep structures of the brain.
The group inserted electrodes into the brains of six people who had been diagnosed with Alzheimer's at least a year earlier.
In a new study by Flesher et al., microelectrode arrays were implanted into the primary somatosensory cortex of a person with spinal cord injury and, by delivering current through the electrodes, generated sensations of touch that were perceived as coming from his own paralyzed hand.
Unlike the electrodes used in lithium - ion batteries, these organic compounds don't rely on intercalation — the process of continuously integrating ions into their molecular matrix, which slows down as the temperature drops.
Many of us are familiar with electrolytic splitting of water from their school days: if you hold two electrodes into an aqueous electrolyte and apply a sufficient voltage, gas bubbles of hydrogen and oxygen are formed.
Usually, in small - molecule junctions, electrons «pushed» through the junction by the applied bias make the leap continuously, from one electrode into the other, so that the number of electrons on the molecule at each instant of time is not well - defined.
There, they lived in a three - room enclosure and researchers inserted small electrodes into their muscles to study the evolution of bipedal walking.
Finally, they wired up their pillars into alternating rows of anodes and cathodes, submerged their forest with a lithium - containing electrolyte, and showed that it provided 78 % more power than a microbattery made with thin - film carbon electrodes, they reported here 13 February at the annual AAAS meeting.
With nowhere else to go, the charge on the electrode eventually conducts into the air around it as bolts of electricity.
But what individual neurons are doing in the areas that light up on an fMR image is an open question, because researchers can't stick electrodes into the brains of healthy people.
One strategy has been to try to transform the electrodes from flat sheets into a forest - like array of carbon pillars, which are then wired together in long alternating rows to serve as negative and positive electrodes.
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.
They dunk a positively charged graphite electrode into the salt and pass an electrical voltage between the electrode and the side of the crucible.
The device consists of two parts, an implant and a prosthesis, the first part requires surgery in which a titanium piece is placed into the bone and a control system that connect electrodes to the muscles and nerves is installed.
They rode stationary bicycles wearing lung monitors, they slept with electrodes on their skulls, and they plunged their arms into a cooler of ice water and (each twin out of hearing of the other) reported on the level of the pain.
Achieving high areal capacity is critical for packing a lot of battery electrodes together into a battery case.
First - principles calculations determined that the electron barrier, established at the interface of the PEI / hexagonal boron - nitride structure and the metal electrodes applied to the structure to deliver, current is significantly higher than typical metal electrode - dielectric polymer contacts, making it more difficult for charges from the electrode to be injected into the film.
The treatment involves electrodes surgically inserted into specific areas of the brain.
The electrode will be dipped into samples of DNA prepared from the blood to be tested.
In order to evenly apply the film to the arched door trim, the researchers divide it into small modules and then glue them to the door trim in sections: «Slight creases arise at the curvatures, which change the spacing of the electrodes.
Soon a permanently embedded grid of electrodes will identify those patterns and simultaneously send them to an external processer that will convert the brain signals into synthesized words.
Electrodes are surgically implanted into or on top of target nerve fibres, ready to sense electrical signals from neural activity or to deliver electric current that mimics the language of the nervous system.
They swell and shrink, gather into a cluster and touch each other, shrinking in unison, causing collapse and subsequent cracks that can harm performance, leading to destruction of the electrode and thus lower lifetime.
The nanogenerator relies on an electrode integrated into a segment of the tire.
T: It's very difficult, but you can insert electrodes into a part of the central brain called the mushroom body, and you find EEG - like activity, which changes a bit when the fly goes from waking to sleeping.
To localize the source of his seizure and identify which nearby tissue could be surgically removed without major loss of function, Parvizi's team implanted so - called subdural intracranial electrodes into Blackwell's brain that would not only monitor neuronal activity but could also apply electric current and so stimulate the adjacent part of the brain.
To triangulate the location of the focus, neurosurgeons insert electrodes into the brain to monitor electrical activity that occurs during a seizure.
Duchenne could only put electrodes on the skin of his subjects; Waller and her colleagues today can insert fine needles into the muscles themselves.
In the laboratory, it was a relatively simple step for Lovley to dupe the enterprising microbes into passing their electron booty to an even more attractive mineral — an electrode made of unpolished graphite.
Batteries are handy because their electrons flow through an electrode (that nub at the top of a dry - cell battery) and from there are easily channeled into MP3 players, flashlights, toys, smoke detectors, and so on.
When the researchers poked tiny electrodes into the shrimps» eyes and directed circularly polarized light onto them, they found that the same cells responded in different ways, at times recognizing the properties of circularly polarized light.
In an initial procedure, Dr. Elisevich surgically implanted electrodes into her brain to initiate the monitoring of seizures with a continuous inpatient video electroencephalographic (vEEG).
Later, the flies» hearing was tested by playing a series of song pulses at a naturalistic volume, and measuring the physiological response by inserting tiny electrodes into their antennae.
a b c d e f g h i j k l m n o p q r s t u v w x y z