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 memo
Brain Imaging to
measure activity from thousands of neurons in the
brain at the same time while subjects try to retrieve episodic memo
brain 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.