Sentences with phrase «eeg recordings»

A complete physical examination, behavioral examination, and EEG recordings were performed in these cases.6
EEG recordings revealed brain wave signatures that have been tied to memory skill, Cryan says.
The researchers first analyzed a database of EEG recordings taken from 16 patients who had already undergone surgery for epilepsy.
Particular challenges include the slowness of this wave that hampers its visibility in normal EEG recordings; however, this discovery may lead to improved diagnostic and treatment procedures in the future, following Max Planck's motto that «insight must precede application».»
«Applying these analysis concepts to multichannel long - term EEG recordings from 17 epilepsy patients with high temporal resolution allowed us to derive a sequence of functional brain networks spanning several days in duration,» said Christian Geier, a doctoral student working with Lehnertz.
But the EEG recordings also revealed a signal that appeared in the brain even earlier — 550 milliseconds, on average — before the action.
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.
They met clinical criteria for the surgical procedure of depth - electrode placement.21, 22 We implanted the electrodes stereotactically, using guidance from magnetic resonance imaging (MRI) and digital subtraction angiography.22, 23 The electrodes (Adtech) had platinum contacts for EEG recording and for stimulation.
The first meaning is usually intended in literature that deals with rats or mice, while the second meaning is usually intended in studies of human EEG recorded using electrodes glued to the scalp.
The EEG recording procedure is described elsewise [35].
These findings remained unchanged even after additionally controlling for the severity of maternal depressive symptoms averaged across pregnancy and early postnatal period, monthly household income, and sleep condition during the EEG recording.
The above findings remained unchanged after controlling for the severity of maternal depressive symptoms, averaged EPDS score between pregnancy and the early postnatal period, and infant sleep condition during the EEG recording.
First, we examined the relationships of plausible covariates, including gender, birth - weight, post-conceptual age on the visit day (gestational age + days of life since birth to the visit day), ethnicity, prenatal smoking exposure, and child sleep condition at the time of EEG recording with outcome measures (frontal EEG power, functional connectivity at 6 and 18 months of age, or behavioral scores at 24 months of age).
The above findings remained the same when additionally controlling for monthly household income and sleep condition during the EEG recording in the regression models.
We repeated the above analysis when additionally controlling for monthly household income and infant sleep condition at EEG recording time.

Not exact matches

In an experiment in the early 1980s, Benjamin Libet used electroencephalography (EEG) to record the brain activity of volunteers...
The paralyzed person inside will be wearing an electroencephalographic (EEG) headset that records brainwave activity.
In a recent experiment on babies in a hospital nursery, researchers recorded brain EEGs while infants experienced different forms of stimulation, including a painful heel stick.
The EEG was recorded at a 500 - Hz sampling rate from nine channels (F3, F4, C3, Cz, C4, P3, P4, T3, and T4), with the average of the mastoid electrodes used as a common reference.
The EEG was recorded by a trained nurse while infants were lying on their backs in cribs.
They then compared those EEG measurements to those in two other conditions: one, in which 20 audience members were watching a recording of the first concert on a large movie screen with audio identical to the live concert; and another in which 20 participants in small groups of 2 were seated apart while they observed the recorded musical performance.
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.
As they slept, researchers recorded their electrical brain - wave activity using scalp electroencephalography (EEG).
We can record brain waves using EEG.
EEGs can record a wide variety of generalized brain activity.
Again, both the babies and the researcher wore EEG caps to record their brain activity.
Non-invasive techniques record electroencephalogram (EEG) signals along the scalp.
In this phase contestants were charged with analyzing retrospective prolonged intracranial EEG data recorded from four dogs with naturally occurring epilepsy and from eight individuals with medication - resistant seizures during evaluation for epilepsy surgery.
Then, working at a sleep lab, she hooked up her subjects to electrodes that measured EEG activity all over the brain — including the temporal lobes — and recorded everything that happened while they slept.
Using portable EEG to measure brain activity among groups of students, researchers were able to record from multiple people simultaneously to study social interactions in real life.
Using electroencephalograms (EEG) that measure brain activity, they recorded how deep and how long each participant's nightly sleep was in a controlled, laboratory setting.
As part of the experiment, eight volunteers aged 65 and over (from a wider sample of 95 people aged 65 and over) wore a mobile EEG head - set which recorded their brain activity when walking between busy and green urban spaces.
In sleep laboratories, dream researchers hook up volunteers to EEGs and fMRI scanners and awaken them mid-dream to record what they were dreaming.
This was demonstrated by continuous recording of animals» electric brain activity (electroencephalogram, EEG), video and movement activity tracking.
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.
We start by using EEG — or electroencephalography; in other words, using an electrode cap on the scalp to record [brain] activity from the outside.
They used an electroencephalogram (EEG) and movement data logger in conjunction with minimally invasive EEG sensors designed for use in humans, to record sleep in 66 owlets of varying age.
Xiaoming Jiang and Marc Pell of McGill University in Montreal, Canada, made this discovery by attaching 64 electrodes to the heads of volunteers and taking electroencephalograms (EEGs) while they listened to recorded statements.
The concept involves converting brain activity, which is commonly recorded as electro - encephalographic (EEG) data, into computer control signals, with the goal of allowing a disabled person to control a computer by merely measuring his or her brain activity.
Data flow from the electrodes down rainbow - colored wires to an electroencephalography (eeg) machine, which records the activity so a scientist can study it later on.
There used to be a widespread assumption that electroencephalography (EEG) could not be used to reliably record complex brain activity, such as that used in movement or thought, from outside the skull.
A total of 11 cases of sudden death have occurred while the people were being monitored with video EEG and their sleeping position was recorded.
Inside the hat, an array of up to 128 EEG sensors record electrical activity leaking from the wearer's brain through their scalp.
For decades scientists have taped electrodes onto people's scalps to record their brain activity and create a readout called an electroencephalogram, or EEG.
In recent years scientists have dramatically improved the power of EEG by writing computer programs that compare recordings from multiple locations around the head and then calculate which regions of the brain are producing the signals.
«Additional recordings with FO electrodes in patients with Alzheimer's disease will help us develop better tools based on computerized analysis of EEG signals and possibly functional neuroimaging studies to ascertain how common silent seizures are in Alzheimer's disease without the need for the minimally invasive electrodes we used in these patients.»
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.
They then recorded an electroencephalogram, or EEG — a reading of the brain's electrical activity — as the subjects watched acronyms flash on a computer screen.
Since it is known that certain areas of the brain can respond to sounds even when an individual is asleep or under sedation, participants also were exposed to brief recordings of spoken language and of music during both fMRI and EEG screenings.
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