Sentences with phrase «inserted electrodes»

David Dickman and Le - Qing Wu of Baylor College in Houston, Texas, collected seven homing pigeons (Columba livia) and inserted electrodes into their brains to record the activity of individual neurons.
In an attempt to locate and boost the brain cells responsible for motivation in rats, Melissa Warden at Stanford University in California and colleagues inserted electrodes into two brain regions thought to control the feeling.
Tsao and her colleague, Steven Le Chang, inserted electrodes into three patches of these cells in macaques, enabling them to record the activity of 205 neurons.
To compare these patterns to the actual electrical activity in the brains, the researchers inserted electrodes capable of recording the firing patterns of individual neurons.
He flew from Israel to Los Angeles on a Sunday, and during a three - hour operation on Monday he drilled a dozen tiny holes in Danny's skull and inserted the electrodes into his brain.
To find out, researchers inserted electrodes into anesthetized turtles» heads.
To test the snake recognition prowess of the pulvinar, the group inserted electrodes into the brains of two captive - born macaque monkeys who had never encountered the reptiles.
The neurologists bored holes in the skull of the patients, who were undergoing evaluation for surgery, and inserted electrodes that contacted the troublesome regions.
Once the animals were trained, the scientists inserted electrodes into their somatosensory cortex to record neural activity during tickling.
The group inserted electrodes into the brains of six people who had been diagnosed with Alzheimer's at least a year earlier.
Hirotaka Sato and his colleagues at Nanyang Technological University in Singapore inserted electrodes into flower beetles (Mecynorrhina torquata) to stimulate specific leg muscle groups.
Inserting electrodes into the brains of two macaques, Tsao worked out which aspects of a face were mapped onto each neuron.
In 2004 a neurosurgeon on Kennedy's team inserted an electrode in the part of Ramsey's cortex where the signals were most dense.
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 triangulate the location of the focus, neurosurgeons insert electrodes into the brain to monitor electrical activity that occurs during a seizure.
Van Swinderen has inserted an electrode into the fly's brain to monitor its neural activity.
For years, deep - brain stimulation — in which a neurosurgeon drills a hole in the skull and inserts an electrode far into a patient's brain tissue — was considered a radical treatment, reserved for the most severe cases of Parkinson's disease.
After you inserted the electrode, you gave the rat the chance to turn it on or off itself by pushing a lever.
A new faculty member at UMass, Jay Trowill, was interested in this exciting new technique: inserting electrodes in rat brains to create pleasure or excitement.
The device was used to insert electrodes that record brain activity in mice, seemingly without causing any damage, the team told an IEEE workshop in San Diego in November.
The most widely known invasive technique, deep brain stimulation (DBS), requires brain surgery to insert an electrode and is approved by the U.S. Food and Drug Administration (FDA) for the treatment of Parkinson's disease and essential tremor.
But it does not give anything like the same level of detailed information that can be achieved by painlessly inserting electrodes into brain tissue in animal or human studies.

Not exact matches

First, electrodes are inserted and the patient is sent home for one to two weeks while they stabilize.
They inserted 100 electrodes into the brains of two healthy monkeys to record the neural activity linked to different hand and arm muscle activity.
He then turned the tables and jabbed the mosquitoes, inserting tiny electrodes into their sensors.
Deep brain stimulation involves inserting a temporary electrode the width of a human hair to find the best location and amplitude for a permanent electrode.
One challenge is to ensure that the implanted electrodes continue working long after they have been inserted.
There, they lived in a three - room enclosure and researchers inserted small electrodes into their muscles to study the evolution of bipedal walking.
Ideally, the ions are inserted uniformly across the electrode's surface.
The treatment involves electrodes surgically inserted into specific areas of the brain.
After being inserted into the brain's motor cortex, the device can sense where the strongest signal is coming from, and move the electrodes towards it.
In order to see what happened inside the brain during acquisition, 16 electrode pairs were inserted in the hippocampus and in different areas of the entorhinal cortex.
Duchenne could only put electrodes on the skin of his subjects; Waller and her colleagues today can insert fine needles into the muscles themselves.
Wires lead from the electrodes to a small rectangular neurostimulator device inserted in Summers» lower back.
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.
«Here you literally just put an insert in, pipette the cells through the top of the insert, and it deposits them with precision onto specific regions on the electrode array.
Working under a microscope with tweezers, steady hands, and held breath, Theall fashions copper wire only twice the diameter of a red blood cell into electrodes that he will insert into the cockroach's brain.
Now researchers report that by inserting ultra-fine electrodes into the brains of live mice, they have identified which neural cells in the accessory olfactory bulb fire when one mouse checks out another's pheromonal fingerprint.
The neuron pathways activated in the moths were tracked by inserting a 16 - channel electrode into the moth's antennal lobe, where the moth processes odor information from its antennae.
Their subjects were epileptics who had electrodes temporarily inserted into their brains to provide information that could guide surgical treatment.
The molecular structure of the active material in the battery electrodes is composed of nickel (Ni), manganese (Mn) and oxygen (O)-- where the structure is a relatively rigid crystal lattice into which the lithium ions, as mobile charge carriers, can be inserted or extracted.
That's typically done by inserting metal electrodes into the so - called somatosensory cortex of animals and watching their response.
Chapin steered the rats with the help of two electrodes inserted into each rat's left and right cortex; the electrodes sent signals mimicking sensations from the left and right whiskers.
But these electrodes are wide — around 1.5 millimetres in diameter — and kill brain cells and sometimes hit blood vessels when they are inserted.
Researchers have previously inserted single electrodes into paralyzed people, providing them with limited computer cursor control.
Let's say you transfer your mind into a computer — not all at once but gradually, having electrodes inserted into your brain and then wirelessly outsourcing your faculties.
The implant was inserted into a guinea pig's inner ear and the electrodes attached to both sides of cochlear cell membranes.
Other scientists have connected the brains of rats and monkeys, and transmitted brain signals from a human to a rat, using electrodes inserted into animals» brains.
Sham rTMS used a similar coil with a metal insert blocking the magnetic field and scalp electrodes that delivered matched somatosensory sensations.
At each visit, they inserted a fine wire electrode, no thicker than a human hair, into two muscles around one of each of the volunteers» knees.
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