Sentences with phrase «emission tomography scans»

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.
City of Hope is a leader in image - driven radiation planning, using advanced imaging technologies — such as computed tomography, magnetic resonance imaging and positron emission tomography scans — to determine tumor size and location and «sculpt» radiation delivery to the cancerous areas.
Anesthesiologist Lars Eriksson of the Karolinska Institute and University Hospital in Stockholm and colleagues performed positron emission tomography scans on eight men in their 50s and 60s before and after prostate surgery.
The simplicity and low cost of a smell test — $ 26.95 retail, before additional doctor or hospital charges — make it especially appealing in neurology, a field dominated by positron - emission tomography scans, dopamine transporter single - photon emission computed tomography imaging and other expensive technologies.
Dumit explores the development of positron emission tomography scans and the effects these images have had on how we think about our minds.
Zecotek is a photonics technology company developing high - performance scintillation crystals, photo detectors, positron emission tomography scanning technologies, 3D auto - stereoscopic displays, 3D metal printing, and lasers for applications in...
Positron emission tomography scanning for tau is showing some promise, says UCSF's Rabinovici.
A positron emission tomography scan was also conducted to detect the presence of amyloid plaques and Alzheimer's - related proteins in the brain.
Using the neurochemical specificity of [11C] raclopride positron emission tomography scanning, combined with psychophysiological measures of autonomic nervous system activity, we found endogenous dopamine release in the striatum at peak emotional arousal during music listening.

Not exact matches

In an introductory chemistry lecture earlier this month, Eroy - Reveles told her students about radioisotopes and positron emission tomography (or PET) scans, which she'd taken her friend to get several times during her treatment.
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.
While they suffered, the scientists took brain scans using positron emission tomography (PET).
At the moment the only way to accurately measure amyloid in a living person is either via costly positron emission tomography imaging (PET scan) or by sampling cerebrospinal fluid (CSF) with a lumbar puncture, or spinal tap.
Currently, doctors use a variety of imaging techniques and tests to diagnose and monitor prostate cancer including PSA blood tests, magnetic resonance imaging (MRI), single photon emission computed tomography (SPECT), positron emission tomography (PET), and computerized tomography (CT) scans.
These researchers deployed positron emission tomography (PET), which measures cellular metabolism, to scan the brains of 32 healthy older adults and 64 with Alzheimer's at various stages.
Moreover, positron - emission tomography brain scans indicate that hoarding and obsessive - compulsive disorder may be quite distinct.
Researchers used positron emission tomography (PET) scans and neuropsychological tests to assess brain function and activity in the participants prior to surgery and six months after the procedure.
Steve: The PET scan is positron emission tomography and the positron is the antiparticle to the electron.
In the 1980s, positron emission tomography (PET) scans, which detect neural metabolism with radioactive tracers, snapped the first pictures of the brain in midthought.
A new application of a common clinical test, the positron emission tomography (PET) scan, seems to be able to differentiate between minimally conscious brains and those in a vegetative state.
More detailed studies can be done by measuring blood flow in the brain, using the scanning technique known as positron emission tomography (PET).
The scan is called single photon emission computed tomography (SPECT).
They will also be conducting positron emission tomography, or PET, scans to look for amyloid and tau pathology in their brains as they age.
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.
Even with the availability of ultrasound, magnetic resonance imaging (MRI), and positron emission tomography (PET) scans, X-rays remain among the cheapest and often most effective means of seeing inside the body.
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).
Using a combination of scanning techniques (positron emission tomography (PET) and computed tomography (CT)-RRB-, the researchers were able to track the progress of the tracer as it moved around the body.
Spinal fluid analyses and positron emission tomography (PET) scans can detect a key warning sign — buildup of amyloid - beta protein in the brain.
Lead author Nora Volkow, a psychiatrist at the National Institute on Drug Abuse of the National Institutes of Health, recruited 47 healthy volunteers and used positron emission tomography (PET) scans to measure glucose metabolism in the brain while cell phones were placed over the right or left ear.
To understand the possible link between beta - amyloid accumulation and sleep, the researchers used positron emission tomography (PET) to scan the brains of 20 healthy subjects, ranging in age from 22 to 72, after a night of rested sleep and after sleep deprivation (being awake for about 31 hours).
Brain scans using magnetic resonance imaging (MRI) and positron emission tomography (PET) are shedding some light on how our brains carry out that algorithm.
Both PET (positron emission tomography) and fMRI (functional magnetic resonance imaging) scans showed the same atypical activation.
Their discovery could aid in the synthesis of new «radiotracers» — chemical compounds that contain a radioactive form, or isotope, of an element — for use with a noninvasive, high - resolution 3 - D medical imaging technology known as PET (positron emission tomography) scanning.
Only 1 in 10 patients (10 %) had the recommended combination of three staging tests [computed tomography (CT) scan, positron emission tomography (PET) / CT scan, and an invasive test] before surgery.
Andrew Feigin and his colleagues at North Shore LIJ Health System in Manhasset, N.Y., scanned the brains of 12 unmedicated Tourette's patients — some of whom also had OCD — and 12 healthy subjects using positron - emission tomography, which reveals patterns of brain activity.
Participants in all three groups received a harmless radioactive tracer that illuminates CB1 receptors when exposed to positron emissions tomography (PET scans).
Cornelius Weiller and his colleagues at the University of Essen reached this conclusion after using positron emission tomography (PET) brain scans to watch migraines in action.
PET scanning, or positron emission tomography, is used to detect minute quantities of tracers, commonly for finding cancer and metastases.
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.
We will consider near - infrared, confocal endomicroscopy (two - colour CellVizio technology), two - photon microscopy, single photon emission tomography (SPECT) and positron emission tomography (PET) scan platforms available from CEA, HZI and INRA, and will develop new tracers to tag antigens, adjuvants, particles / vehicles and vectors for the in vivo visualisation of dissemination and biodistribution.
The patientâ $ ™ s brain was scanned in two ways: on the left, MRI (magnetic resonance imaging) and on the right, PET (positron emission tomography), using a probe developed at Emory.
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.
The operationalization of mild cognitive impairment (MCI) led to targeting earlier symptomatic cases of the illness and treatment strategies based less on pathology and more on a chance to halt or slow decline than there would be earlier in the disease.1 With the development of amyloid imaging, MCI due to AD diagnosis was refined, 2 and early - stage AD was extended further to include preclinical AD, 3 wherein a positive amyloid positron emission tomography (PET) scan or diagnostic low levels of cerebrospinal fluid β - amyloid (Aβ) indicated the presence of pathology in people who were cognitively normal.
MRI, positron emission testing (PET scan), functional MRI, computerized tomography (CT scan) and / or single photon emission computed tomography (SPECT) to look for scar tissue or other brain abnormalities that may be causing seizures
1) Brain imaging research techniques such as PET scans (positron emission tomography) and fMRI (functional magnetic resonance imaging) clearly show that the vast majority of the brain does not lie fallow.
To see how the two gene versions affect the living human brain, the NIMH researchers scanned 24 healthy young adults twice using PET (positron emission tomography), which uses radioactive tracers to visualize brain function.
Radioactivity in the brain was then measured using positron emission tomography (PET) scans under three different circumstances: after eating pizza (a palatable meal) after consuming a nutritional drink (a non-palatable meal), and after an overnight fast.
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.
Furthermore, there was no discernable brain tumor tissue detected using magnetic resonance (MRI) or fluorodeoxyglucose - positron emission tomography (FDG - PET) imaging scans.14
Physiologically, AD is characterized by several physical hallmarks that can be measured or observed via biopsy, positron emission tomography (PET) scan, or upon autopsy.
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