Sentences with phrase «use brain measures»

Not exact matches

Here's how: Functional resonance imaging (fMRI) was used to measure the brain's responses.
fMRI (Functional Magnetic Resonance Imaging) «is a functional neuroimaging procedure using MRI technology that measures brain activity by detecting changes associated with blood flow,» according to Wikipedia.
For example, a standard measurement tool used by neuromarketing is the EEG (electroencephalogram), which measures our brain's electrical activity.
The researchers then used brain imaging to measure the functionality of peoples» white matter and had them take a series of cognitive tests designed to measure how sharp they were.
The research (which thrills me personally) was led by Larry Stevens, a Northern Arizona University psychologist, and involved looking at the effects of eating dark chocolate on the brain, using an EEG machine to measure brain activity.
Using functional magnetic resonance imaging to measure changes in blood flow, she found that as people received more information, their brain activity increased in the dorsolateral prefrontal cortex, a region behind the forehead that is responsible for making decisions and controlling emotions.
In the last year, the technology long used by researchers to measure brain activity has become affordable enough for some toy makers to incorporate it into their toys and video games.
You can measure serenity and «peace» using certain medical equipment, but there is nothing testing or measuring «spirituality» in such a measurement that records brain functions.
We use the electromyrograph (EMG) to measure muscle tension and the galvanic skin response indicator (GSR)-- almost a sort of lie detector — to chart emotional swings, and other instruments to measure brain waves (electroencephalograph — EEC) and body temperature.
I got to used to measuring spices for pumpkin pie, so when I saw cinnamon & nutmeg, my brain added ginger to the list.
No, I didn't measure the exact amount but in my stingy brain, it didn't seem bad considering I had visions of using a whole bottle or so.
Until very recently, impact sensors - accelerometers measuring the forces which, when transmitted to the brain, cause sports - related concussions - were only used by scientists in conducting research.
It does not measure other critical brain functions that can be adversely affected by head trauma, such as balance and vision, which is why expert groups [1] recommend a «multifaceted approach to concussion management that emphasizes the use of objective assessment tools aimed at capturing the spectrum of clinical signs and symptoms, cognitive dysfunction, and physical deficits... that are more sensitive to the injury than using any one component alone.»
In a 2012 study, [8] researchers at the University of Rochester Medical Center (URMC) measured before - and - after data from the brains of a group of nine high school football and hockey players using an advanced form of imaging similar to an MRI called diffusion tensor imaging (DTI).
The researchers used functional near - infrared spectroscopy, a technology that measures oxygenation in regions of the brain using light, to assess the babies» brain activity.
At the same time, they measured the babies» pain response using EEG brain activity and facial expression.
Using exquisitely precise methods to measure how memories are embedded in brain cells in mice, scientists have shown how fear - based memories prompted by the sound associated with an electric shock can be activated and erased.
Activity in the PFC region of the mens» brains was measured throughout the test using a unique neuroimaging technique called functional near infrared spectroscopy or fNIRS.
In this study, researchers from the UCLA School of Nursing used the Valsalva maneuver — during which participants breathe hard out through a very small tube to raise blood pressure — to measure brain activity as it controls the blood pressure change.
Researchers have used magnetic resonance imaging (MRI) scans that measure blood flow in the brain to better understand why people often become aggressive and violent after drinking alcohol.
This technique provides a measure of blood oxygen concentration in surface blood vessels, indicative of activity in the brain's outer layers, using a set of wearable probes in a cap that is placed on the head.
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.
The main problem is that it is extremely difficult to measure electrical activity deep inside the brain of a living person, and differences between the brains of living people and those of the animals and cadavers that previous studies have used are significant.
They used electrodes to measure the sensitivity of rats» brains to reward activity.
Developed with colleagues at the Penn Epilepsy Center, the device measures brain activity using an array of 360 electrodes encapsulated in silk.
The researchers wanted to put these possibilities to the test, using both behavioral measures and measures of brain activity to understand participants» performance.
Currently, fcMRI is not used clinically, and the kinds of MRI and CT scans used to assess stroke damage don't measure how well different brain regions work together.
An assistant professor in the School of Psychology uses the functional MRI scanner at the Georgia State / Georgia Tech Center for Advanced Brain Imaging to measure activity from thousands of neurons in the brain at the same time while subjects try to retrieve episodic memoBrain Imaging to measure activity from thousands of neurons in the brain at the same time while subjects try to retrieve episodic memobrain at the same time while subjects try to retrieve episodic memories.
Dr. Aron and colleagues based their study's conclusions on a neuroimaging study using functional magnetic resonance imaging (fMRI) scanning that measures brain activity by detecting changes in blood flow.
Structural magnetic resonance imaging (MRI), which measures the anatomy and structural integrity of the brain, and magnetoencephalography (MEG), which measures magnetic fields created by the brain's electrical activity, were used to track potential age - related differences as groups of younger and older adults performed a memory task.
Their research technique of measuring electrical brain activity using an electroencephalogram (EEG) in these brain regions also predicted mild cognitive impairment (MCI), a condition that is likely to develop into Alzheimer's, with 80 per cent accuracy.
The researchers used velocity - selective arterial spin labeling (VSASL), a powerful MRI technique that directly measures the rate of delivery of arterial blood to organs like the brain.
The technique is an indirect measure of neural activity in the brain: as a region activates, it consumes oxygen, and neurologists use fMRI to track fresh oxygenated blood surging in to replace the old.
The humans» brain activity was measured using an EEG.
Brain activity was measured using electroencephalography (EEG) during each trial of the cognitive task, which took place immediately after a two - second audio clip of an infant vocalization.
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.
The researchers used a brain imaging technique called positron emission tomography to measure an index of the capacity for dopamine production in 30 men who were nicotine - dependent smokers and 15 nonsmokers.
These comprised not only «conventional» behavioral studies, but also the physical effects on the brains of test participants by measuring the Blood Oxygen Level - dependent (BOLD) response using functional Magnetic Resonance Imaging (fMRI) scans.
«We use arterial blood water as a contrast tracer to measure blood flow change, which is highly associated with brain function.»
Using a technique called nuclear magnetic resonance spectroscopy, the researchers measured the concentrations of 21 metabolites key to nerve function in the brains of 10 deceased schizophrenia patients and 12 normal human controls.
Imaging scans show the brain shifts its activity (measured by blood flow and oxygenation, indicating which neurons are heavily used at a specific time) from the prefrontal executive control regions to subcortical reactive emotion areas.
Egner and Chiu tested this hypothesis by scanning the brains of participants, using functional magnetic resonance imaging (fMRI, a noninvasive, indirect measure of brain activity) as they completed the tasks.
Since the current work was done in mice, O'Leary and Zembrzycki want to confirm the link in humans by using brain scans to measure the natural variation in the neocortical areas and search for potential links to disease.
Using brain scans, psychiatrist Daniel Eisenberg and his colleagues measured dopamine levels in the brains of 86 healthy people at different times of the year.
In order for humans and machines to communicate, brain waves of the pilots are measured using electroencephalography (EEG) electrodes connected to a cap.
Among the awardees are researchers working on ultrasound methods for measuring brain activity, and the use of deep brain stimulation to treat traumatic brain injuries.
More detailed studies can be done by measuring blood flow in the brain, using the scanning technique known as positron emission tomography (PET).
A different but also rapidly growing research direction deals with the use of connectivity measures to link brain structure and cognition.
One answer is to measure the brain's electrical activity using a common tool we call the electroencephalogram (EEG).
«We used functional magnetic resonance imaging to measure different brain areas of our research subjects while they watched short segments of the Star Wars, Indiana Jones and James Bond movies,» explains Aalto University Associate Professor Iiro Jääskeläinen.
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