Sentences with phrase «measured by the electrodes»

In the meantime, the researchers followed the subjects» brain activity measured by electrodes glued to the scalp.

They focused on the so - called N400, a distinct pattern of electrical brain activity that can be measured by electrodes placed on the scalp.

The disasters looked calm during the interviews, but their physiology, measured by the electrodes, told a different story.

Not exact matches

Then, Feng recognized a novel opportunity to directly measure whether tDCS generates EFs in deep brain areas among patients with movement disorders such as Parkinson's disease, who are often treated by implanting DBS electrodes.

To answer these questions, a team of MUSC investigators led by stroke neurologist and physician - scientist Wayne Feng, M.D., MS, attempted something that has never before been tried — they directly measured tDCS - generated EFs in vivo using deep brain stimulation (DBS) electrodes that were already implanted in patients with Parkinson's disease.

«Using a new layer - by - layer fabrication process, we created a microfluidic environment in which TEER - measuring electrodes are integral components of the chip architecture and are positioned as close as possible to the tissues grown in one or both of two parallel running channels,» said Olivier Henry, Ph.D., a Wyss Institute Staff Engineer who was the driving force behind the new Organ Chip designs.

The team examined the brainwave patterns of 36 infants (17 in the first experiment and 19 in the second) using electroencephalography (EEG), which measures patterns of brain electrical activity via electrodes in a skull cap worn by the participants.

(A) Development of the free calcium ions measured by the calcium ion selective electrode (black line) at pH = 9.25 in comparison with the dosed amount of calcium ions (red line).

By attaching electrodes to the heads of infants and toddlers and measuring brain activity, Nathan Fox of the University of Maryland has discovered that the brains of timid children are more active on the right side — specifically, in a region called the right frontal cortex.

They plan to do this by activating the neurons in these regions using electrodes and measuring the impact on learning outcomes.

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.

This mapping pinpointed the origin of Owen's seizures in the left temporal lobe, enabling physicians to target the optimal location for placement of the NeuroPace RNS Neurostimulator, a titanium microprocessor measuring about one by two inches, which is connected to electrodes implanted at the site of seizure origin.

This motion would be detected by measuring image charges, which are induced by the moving electrons, flowing through another electrode using a commercially available current amplifier and lock - in detector.

The electrochemical reactions inside the porous electrodes of batteries and fuel cells have been described by theorists, but never measured directly.

Accompanying the beam extraction, the spatial flow distribution of the negative hydrogen ions was investigated by measuring the flow of negative hydrogen ions with the use of a compound - type electrostatic probe with four needle - type electrodes irradiated by laser pulse.

Information is written by applying a voltage to the electrodes next to the ultra-thin ferroelectric, and it is read by measuring the tunnelling current.

This can be done directly by measuring brainwaves using electrodes, but the results are very imprecise.

They found that the activity picked up by the electrodes at the two «hot spots» tracked with peak activity at these sites, as measured by fMRI.

To increase the current produced by the structures, the group created bundles of several microtubes and placed them between needle electrodes to measure the structures» properties.

Once we fabricate electrodes and measure their surface areas, we use a suite of characterization methods to determine unknown semiconductor properties by the following procedure: We determine the conductivity type of an unknown material by monitoring the open - circuit potential response upon illumination, which is important to establish the reverse - bias conditions used for all subsequent testing.

To do this, the researchers implanted a four - by - four - millimeter chip composed of 96 electrodes into a subdivision of the PPC called the anterior intraparietal area (AIP), to measure the neural activity of a tetraplegic human who volunteered to take part in a brain - machine interface clinical trial.

Then, while the participants performed an attention testing task, neural activity in the brain was measured by making use of electrodes on the scalp.

Surface EMG recording electrodes (MediTrace Pellet Ag / AgCl electrodes, disc shape, and 10 mm in diameter, Graphic Controls Ltd., Buffalo, NY, USA) were placed over the muscle belly of the rectus femoris, measured by half the distance between the anterior superior iliac spine and the patella, as suggested by Mesin et al. (21).

Starting from the premise that there is no medical test to prove sexual identity, phallometry (a «pseudo-medical» examination attaching electrodes to measure sexual response to pornography — a process used in cases in the Slovak and Czech republics until 2011) was held by AG Sharpston in her July 2014 Opinion to be too ineffective and contrary to the Articles 3 and 7 of the Charter [par.

In electroencephalography, or EEG, electrodes measure the electrical signals produced by the brain's neurons through the scalp.