Sentences with phrase «brain imaging scan»

The state's athletic commission requires that fighters undergo a brain imaging scan and annual blood tests for viruses like hepatitis B, hepatitis C, and HIV.

Brain imaging scans show increased activity in the amygdala of sleep deprived subjects and decreased activity in the prefrontal and insular cortex.

Not exact matches

Helped by the recent development of fiber - optic - bundle - coupled laser - scanning confocal fluorescence imaging (Confocal Laser Endomicroscopy — CLE), which allowed the scientists to image blood flow more deeply in the brain than ever before.

The researchers scanned the participants» brains using magnetic resonance imaging to see if there were any differences in brain structure.

Even if a scan shows abnormal activity in a brain region associated with impulse control or regulation of emotions, such imaging provides no more than probabilistic information, Hyman said.

The EEG signal can be processed quickly, allowing fast response times, and the instrument is cheaper and more portable than brain - scanning techniques such as magnetic resonance imaging and positron - emission tomography.

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.

The neurologist hoped that a magnetic resonance imaging (MRI) scan of such a patient's brain during the aura would provide clues to what happens inside his skull.

Using data from National Database for Autism Research (NDAR), lead author Kristina Denisova, PhD, Assistant Professor of Psychiatry at CUMC and Fellow at the Sackler Institute, studied 71 high and low risk infants who underwent two functional Magnetic Resonance imaging brain scans either at 1 - 2 months or at 9 - 10 months: one during a resting period of sleep and a second while native language was presented to the infants.

Belger, the director of the UNC Neurocognition and Imaging Research Laboratory, and recent UNC graduate student Joseph Shaffer, PhD, compared brain scans from more than 100 people with schizophrenia against brain scans from people with no psychiatric diagnoses.

Beginning in 2009, they used functional magnetic resonance imaging (fMRI) to scan the brains of patients prior to treatment for depression; they then followed the patients through the course of therapy, generally for four weeks.

The eyes glowed so brightly on those images due to gadolinium, a harmless, transparent chemical often given to patients during magnetic resonance imaging (MRI) scans to highlight abnormalities in the brain.

And even if the patient doesn't meet the conditions that guidelines say can benefit most from brain imaging — for instance, someone with an abnormal neurological exam or a known cancer — doctors might order a scan at a patient's request to protect themselves legally.

Chemically intolerant individuals also show dysfunction in brain imaging on a SPECT scan, which tracks blood flow through tissue.

Smith says her group is investigating whether PET imaging of serotonin could be a marker to detect progression of disease, whether alone or in conjunction with scans that detect the clumping protein known as amyloid that accumulates in the brains of those with Alzheimer's disease.

Currently there is no tool seen as a gold standard for diagnosing concussions, and imaging tests like CT - scans and MRIs are ineffective in the absence of structural damage to the brain.

Meanwhile, the researchers scanned participants» brains with functional magnetic resonance imaging, paying close attention to activity in several areas of the brain.

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.

The brain's precise speech center varies from person to person, so to find Ramsey's target area — the place where an implant could discern the appropriate speech signals — Kennedy used a functional magnetic resonance imaging (fMRI) scan.

When he and a control subject, another sensation - seeking rock climber, viewed gruesome, high - arousal photographs during functional magnetic resonance imaging brain scans, Honnold's amygdala ─ the brain's fear center ─ showed zero activation while the other climber's lit up like a neon sign.

The scans — done with functional Magnetic Resonance Imaging, or fMRI — show which sections of the five brains became more active during the ads, thereby revealing what's really going on in people's heads.

Imaging studies that combine scans from many people, such as this diffusion image from the Human Connectome Project, don't identify brain variations in individuals.

Starting in 2010, Baraniuk and his colleagues at Georgetown's Center for Functional and Molecular Imaging put Kroot and 30 other sick veterans (plus 20 healthy subjects) through physical and cognitive tests and scanned their brains.

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.

The fNIRS scans indicated that the concussed brain activated at a lower threshold and drew from a wider area — a sharp contrast from earlier functional magnetic resonance imaging (fMRI) studies using concussion patients.

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.

They have used a clinical MRI scanner of the type all neuroscience centres have to carry out a special type of scan called a T2 - weighted imaging process which is able to reveal lesions in the brain's white matter that are centred on a vein — a known indicator of MS.

Then, using magnetic resonance imaging, the researchers scanned the teenagers» brains while they performed verbal tasks, such as reading or naming objects, and nonverbal tasks, such as solving visual puzzles with their hands.

Magnetic resonance imaging (MRI) scans showed that use of the Nintendo Wii Balance Board system appears to induce favorable changes in brain connections associated with balance and movement.

A type of brain imaging, called diffusion tensor imaging, allows doctors to scan patients and produce vibrantly colored images of the brain's wiring.

This hypothesis is supported by several observations so we decided to test it by scanning the brains of individuals of varying age with functional magnetic resonance imaging and analysing the data both with fApEn and SampEn.»

«Imaging scan records brain activity during epileptic a.» ScienceDaily.

In the scans at age 8, the researchers precisely defined the VWFA for each child by using functional magnetic resonance imaging (fMRI) to measure brain activity as the children read.

The technique, magnetic resonance imaging, is more usually used for examinations such as brain scans to detect tumours.

Before the operation you have a brain scan using magnetic resonance imaging (MRI).

The researchers then used functional magnetic resonance imaging (fMRI) to scan 21 of the participants» brains while they viewed pairs of short film clips showing classmates of varying status within this social network, telling them all they needed to do was indicate whether the clips in each pair were the same or different, and that this task was unrelated to the first part of the experiment.

Computed tomography (CT / CAT) scans of the brain or sinuses are commonly performed, or magnetic resonance imaging (MRI) in specific settings.

To quantify synapses throughout the brain, professor of radiology and biomedical imaging Richard Carson and his coauthors combined PET scanning technology with biochemistry.

Magnetic resonance imaging scans pinpointed the right insular area as the culprit, a region deep inside the brain linked with the part of the nervous system that sets off stress - related responses.

Here, a DTI scan is superimposed atop magnetic resonance imaging (MRI) scans to highlight certain brain structures.

Researchers at the National Institute of Mental Health and at McGill University used magnetic resonance imaging to scan the brains of 307 children from ages five to 19.

The Adolescent Brain Cognitive Development Study — or ABCD Study — is a $ 300 million effort funded by the National Institutes of Health that will scan the brains of some 10,000 U.S. youths, beginning when they are 9 and 10 years old and imaging them every 2 years for 10 years.

By scanning subjects» brains using functional magnetic resonance imaging (fMRI), the researcher found that, in fact, weighing possible outcomes does influence decision making.

Researchers then scanned the brains of volunteers with functional magnetic resonance imaging (fMRI) while showing them 32 of the face cards; with half of them, subjects were instructed to consciously think about the associated harrowing counterpart and with the other half, they were instructed to consciously suppress their thoughts about it.

Brain scans In the study, researchers scanned the brains of 39 depressed patients and 37 healthy people using functional magnetic resonance imaging (fRMI).

In perfusion imaging, a standard dye is injected and scanned for a few minutes as it passes through the brain.

An international team of roughly 300 scientists known as the Enhancing Neuro Imaging Genetics through Meta Analysis (ENIGMA) Network pooled brain scans and genetic data worldwide to pinpoint genes that enhance or break down key brain regions in people from 33 countries.

Brain imaging research — in which scientists scan tiny mouse brains to understand neuroanatomical differences in autism models — has also revealed sex - based patterns.

Imaging scans show decreases in brain connectivity before (orange) and after (blue) treatment with ECT.