Sentences with phrase «emission tomography study»

In a positron emission tomography study, women exhibited decreased µ - opioid mediated neurotransmission when recalling the death of a loved one or the breakup of a romantic relationship (Zubieta et al., 2003).

Sensory experience of food and obesity: a positron emission tomography study of the brain regions affected by tasting a liquid meal after a prolonged fast.

The AD group showed decreased resting - state activity in the posterior cingulate and hippocampus, suggesting that disrupted connectivity between these two regions accounts for the posterior cingulate hypometabolism commonly detected in positron emission tomography studies of early AD.

Not exact matches

Recent advances allow neuroscientists to study levels of neurotransmitters or their receptors in specific brain regions via PET (positron emission tomography), SPECT (single photon emission computerized tomography), and MRS (magnetic resonance spectroscopy).

For the study, researchers measured the level of calcium in the coronary arteries during stress testing using two common diagnostic tests — positron emission tomography, or PET, and computed tomography, or CT — to determine a patient's risk of heart disease.

Over three days, Muzik and Diwadkar studied Hof's brain and body functions using two distinct imaging techniques — including functional magnetic resonance imaging (fMRI) to study his brain and positron emission tomography (PET) to study his body.

More detailed studies can be done by measuring blood flow in the brain, using the scanning technique known as positron emission tomography (PET).

The study used state - of - the - art imaging scans with positron emission tomography, which measures blood flow to the heart muscle and identifies areas of reduced blood flow, at rest and following stress.

In the largest functional brain imaging study to date, the Amen Clinics (Newport Beach, CA) compared 46,034 brain SPECT (single photon emission computed tomography) imaging studies provided by nine clinics, quantifying differences between the brains of men and women.

In the study, the imaging agent — Ga - 68 prostate - specific membrane antigen (Ga - 68 PSMA)-- used with positron emission tomography and computed tomography (PET / CT), changed management in 44 % more cases than another widely used agent.

The study was conducted by using positron emission tomography (PET) and functional magnetic resonance imaging (fMRI).

The study, published in The Journal of Clinical Endocrinology and Metabolism, outlines the benefits of using MRI scans over the existing method of positron emission tomography (PET).

A new imaging study in living Alzheimer's patients is combining three methods of positron emission tomography (PET) to measure the orchestration of amyloid, tau and metabolic activity in the brain.

This study used cerebral perfusion imaging with single photon emission computed emission tomography (SPECT) to examine the brains of the largest group of retired and current NFL players investigated to date, a total of 161 individuals with an average age of 52.

In studying the functional behavior of the brain, from control of muscles to the formation of memories, scientists are using such tools such as electron microscopy, recordings of electrical signals from individual brain cells, and imaging of brain structures and processes using functional magnetic resonance imaging (fMRI), positron emission tomography (PET), and high - resolution optical imaging.

The current study, which enrolled 152 adults ages 50 and older, was designed to assess whether silent pathological changes in the brain associated with Alzheimer's and detected with positron emission tomography (PET) can predict cognitive decline.

Studies have shown that magnetic resonance imaging, positron - emission tomography and spinal taps — and newer methods now in the lab — can detect the effects of the buildup of aberrant proteins characteristic of Alzheimer's some 10 to 15 years before the first symptoms appear.

Joanna Fowler has made significant contributions to brain research and the understanding of diseases such as addiction, which she studies using positron emission tomography (PET), an imaging technique that measures the concentration and movement of a positron - emitting radioisotope in living tissue.

They also use noninvasive imaging techniques, such as magnetic resonance imaging (MRI) and positron emission tomography (PET), to study the development and functioning of the primate brain

Working in collaboration with the Martinos Center for Biomedical Imaging at Massachusetts General Hospital, Michael S. Placzek, PhD, focuses his research on studying the chemistry and pharmacology of opioids in the living brain using positron emission tomography (PET).

The chemical reactions she has developed are widely used throughout the pharmaceutical industry to create new drug candidates, are being studied by chemical companies interested in accessing important chemicals used in farming, and are being utilized to prepare a type of chemical (tracer) that allows doctors to view the heart's sympathetic nervous system through positron emission tomography (PET) scans.

She currently leads an MRC funded study to improve the diagnosis of NF1 - associated malignant peripheral nerve sheath tumours using positron emission tomography computerised tomography.

A recent study reports sex differences in intramyocardial glucose metabolism, assessed by positron emission tomography scans, with reduced intramyocardial glucose kinetics (ie, fractional glucose uptake and metabolism) in diabetic women compared with men.

Dr. Raichle's research led to the development and use of positron emission tomography and functional magnetic resonance imaging, tools that have enabled scientists to safely and non-invasively study the living human brain and track and record its function in health and disease.

Unlike many heart studies that rely on blood sugar and cholesterol tests that anyone might get at a doctor visit, the Washington University researchers used positron emission tomography (PET) scans to image the heart and measure blood flow, oxygen consumption and fatty acid and glucose uptake by the heart, among other measures.

Positron emission tomography (PET) studies of major depression have revealed resting - state abnormalities in the prefrontal and cingulate cortices.

The study participants underwent a type of brain scan known as single - photon emission computed tomography (SPECT) and took a series of computer - based tests designed to gauge real - world cognitive function.

A symptom provocation study of posttraumatic stress disorder using positron emission tomography and script - driven imagery

A preliminary study with positron emission tomography