They recorded electrical activity just outside individual brain cells of interest, and compared the signal with sounds the birds made.
Scientists
recorded electrical activity in the brains of rat pups as their mamas nursed, licked and cared for their offspring.
The participants were asked to recall some of the word pairs ten minutes later, then left to sleep overnight while the researchers
recorded the electrical activity of their brains.
To map the speech centers, Chang and his colleagues
recorded electrical activity from about 12 patients while they pronounced various sounds, such as «bah,» «dee» and «goo.»
The researchers
recorded electrical activity in the brains of 10 female participants with fibromyalgia.
Using microelectrodes, the researchers
recorded the electrical activity of pheromone - sensitive interneurons in male American cockroaches that relay signals of female - producing sex pheromones in the antennal lobe (functional homolog to the mammalian olfactory bulb) to higher - order centers.
So Miguel Nicolelis at Duke University in Durham, North Carolina, and his colleagues
recorded the electrical activity in almost 500 neurons in the somatosensory and motor cortex of a monkey's brain while it thought about using both its forelimbs.
Researchers had macaques look at faces, while
recording electrical activity from 205 of the monkey's neurons.
Sleep was assessed in the children during one night with in - home electroencephalography (EEG)-- a method used to
record electrical activity in the brain and makes it possible to identify different sleep stages — whilst parents reported their own insomnia symptoms and their children's sleep problems.
Lionel Velly, an anesthesiologist at Mediterranean University in Marseille, France, ran an experiment in which he used the electrodes in the other direction, to
record electrical activity in the brain.
An electrocardiogram (ECG)
records the electrical activity of the heart.
A faster alternative would be to
record the electrical activity of neurons, but the wires required to do this are invasive and tend to be relatively large.
Meck has found support for his model by
recording the electrical activities of neurons and in other researchers» studies on people with a skewed sense of time.
Next the researchers showed these images to monkeys while
recording the electrical activity from individual neurons in three separate face patches.
Interestingly, by
recording the electrical activity in the spinal cords of mice depleted of NPY interneurons, the researchers discovered that the NPY neurons seem to selectively inhibit or gate light touch signals coming from hairy skin, but not the non-hairy (glabrous) skin, such as the skin found on your palm.
They showed these images to two monkeys while
recording electrical activity from individual neurons in three separate face patches in both animals.
Inside the hat, an array of up to 128 EEG sensors
record electrical activity leaking from the wearer's brain through their scalp.
Rose and neuroscience doctoral student Rishi Alluri used a novel combination of
recording electrical activity of single brain cells and blocking neurotransmitter chemicals that carry nerve signals from one nerve cell or neuron to the next.
The team is exploring controlling their exoskeleton via patients» electromyography (EMG) signal — which
records electrical activity produced by skeletal muscles — so that they'll be more actively involved in their training.
We will
record the electrical activity in the brains as animals perform a visual decision - making task.
This simple device, no bigger than a deck of cards, accurately could
record the electrical activity of the heart for more than 24 hours.
This is bad news, because the reason we put electrodes in the brain is to
record the electrical activity of those neurons.
Kodandaramaiah, Boyden and Forest set out to automate a 30 - year - old technique known as whole - cell patch clamping, which involves bringing a tiny hollow glass pipette in contact with the cell membrane of a neuron, then opening up a small pore in the membrane to
record the electrical activity within the cell.
These electrodes are used to
record the electrical activity produced by the neurons, and also to electrically stimulate the brain.
Surgeons implant a grid of electrodes directly onto the surface of the brain to
record its electrical activity.
Unlike the other three methods, this one does not directly
record electrical activity.
For this experiment, an Electroencephalography (EEG) sensor was attached to all 16 pet dogs to monitor and
record electrical activity of the brain.
Originally developed to test hearing in infants, this test
records the electrical activity of the brain in response to sound stimulation.
An electrocardiogram (ECG) is a diagnostic test that
records the electrical activity of your pet's heart.
ECGs
record the electrical activity of the heart and can measure and diagnose abnormal rhythms of the heart and identify a damaged heart.
Veterinary Electrocardiogram (ECG or EKG): This test
records the electrical activity of the heart and can tell whether heartbeats are normal or not.
According to E Medicine Health, an ECG (electrocardiogram) is a machine that «measures and
records the electrical activity of the heart.»
Not exact matches
As they slept, researchers
recorded their
electrical brain - wave
activity using scalp electroencephalography (EEG).
These
recordings revealed that the learning experience changes
electrical activity of the amygdala neurons.
That allowed researchers to
record electrical brain
activity from individual neurons while the participants moved or tried to move their fingers and wrists, which were equipped with sensors to
record physical movement.
Microfabricated silicon needle - electrode devices were expected to be an innovation that would be able to
record and analyze the
electrical activities of the microscale neuronal circuits in the brain.
The team embarked on a massive brain imaging study: Across 9 UK laboratories (University of Birmingham, University of Bristol, University of Edinburgh University of Glasgow, University of Kent, University College London, University of Oxford, University of Stirling, and University of York), 334 participants — 10 times the original amount — read sentences that were presented one word at a time, while
electrical brain
activity was
recorded at the scalp.
In deep, slow - wave sleep,
recordings of the brain's
electrical activity show sparse bursts of big, slow waves.
To go further, the pair started combining their electrode
recordings of individual neurons with readings from an intracranial EEG, which measures overall
electrical activity in a larger area of the brain.
In an electroencephalogram (EEG)-- a
recording of the brain's
electrical activity — the synchronous rhythm of the nerve cells manifests as a periodic pattern.
They trace the development of the face in embryos, scan brains, read the
electrical activity of muscles, and
record grins and pouts on high - speed video.
Brian Pollard at the University of Manchester, UK, and colleagues used a new method called functional
electrical impedance tomography by evoked response (fEITER) to
record the brain
activity of 20 people as they responded to a general anaesthetic.
In a typical individual, the EEG
records a spike in
electrical activity about 170 milliseconds after she sees a face — which previous studies have found corresponds to the moment of recognizing a face over some other kind of object.
Furthermore, the scientists proved the device's mechanical durability through repeated bending and stretching, exceeding 10,000 times, of a conductor attached on the forefinger; they also established its reliability as an electrode for electromyogram
recordings when its readings of the
electrical activity of muscles were comparable to those obtained through conventional gel electrodes.
For example,
records of
electrical activity in the brain showed that, on average, they experienced deep, non-rapid eye movement sleep for 30 per cent less time compared with participants who slept during a new moon.
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.
Massimini and his colleagues
record the brain's «echo» with electroencephalography, a measure of
electrical activity, and then turn that data into a numerical score between 0 and 1.
To determine which neural
recordings corresponded to the «ignored» and «attended» speech, the team reconstructed speech patterns from the brain's
electrical activity using a mathematical model.
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.
Gow's method of investigating how the human brain perceives and distinguishes among elements of spoken language combines electroencephalography (EEG), which
records electrical brain
activity; magnetoencephalograohy (MEG), which the measures subtle magnetic fields produced by brain
activity, and magnetic resonance imaging (MRI), which reveals brain structure.