Sentences with phrase «on brain scans of»

Researchers have noted pleasure deficiencies shown on brain scans of a variety of people, finding that frequent abuse of food or drugs actually alters the brain, causing it to not light up with dopamine as it once did.Chronic overeating can also lead to diabetes and predisposes the body toward inflammation, insulin resistance, elevated blood pressure, psychiatric illness, poor digestion, hormone imbalance, and malnutrition.
That's one of the surprising findings of an unusual neuroscience study based on brain scans of the musician Sting.

Not exact matches

Other studies, meanwhile, are examining tryp's potential efficacy as an antifungal agent; and as a prognostic indicator in patients with brain cancer (as seen by increased uptake of the amino acid on a PET scan).
This is a possibility (albeit a medieval way of describing it) within the realm of psychology so it wouldn't necessary show up on a brain scan.
A day later, I had an MRI scan of my brain, and two days after that I was informed that I had several lesions on an optic nerve behind my right eye which required IV steroid treatment.
This book is packed full of empirical evidence, much of it shown with brain scans and papers on an 18 year study.
«We all know that if you engage in certain kinds of exercise on a regular basis you can strengthen certain muscle groups in predictable ways,» Davidson says in his office at the University of Wisconsin, where his research team has hosted scores of Buddhist monks and other meditators for brain scans.
Once the scan started there was so much to focus on — from their brain development to the formation of their limbs — it didn't really hit me until we were in the parking lot that I was carrying two little boys.
Lastly, at the end of this film, Christopher Plummer was experimenting with a brain - scanning technology on two subjects and placed them in a room with a wired device on their heads.
They were amazed to find a large difference in the brain scans of these 2 - 3 year olds, showing that in the first few years of life a child's brain development relies heavily on nurturing by his parents.
The abnormalities disclosed on post-season DTI scans among the players were closer to the scan of the one player with diagnosed concussion than to the normal brains in the control group.
They also found that some of the athletes, none of whom suffered diagnosed concussions, didn't do as well as predicted on tests of learning and memory at the end of the season, although the study did not find «large - scale, systemic differences» in the brain scan measures, which the authors found «somewhat reassuring» and consistent with the fact that millions of athletes play contact sports for many years without developing progressive neurodegenerative disorders.
We headed back to Adelaide at about 32 weeks for another scan to check the measurements again and to see whether I could birth our baby back home, or whether (because of the possibility of fluid on the brain) I had to be in the city.
She's looking at remarkable new images of brain scans of people on LSD — the first time they've ever been taken anywhere in the world.
These are the first ever scans of a brain on LSD.
Despite an explosion of research on the use of brain scans and other tools of science to help better determine a person's guilt or innocence, experts at a AAAS - organized discussion said hopes that neuroscience might transform the legal system are unrealistic for now.
But experts looking back at the 2007 case now say Hodges was part of a burgeoning trend: Criminal defense strategies are increasingly relying on neurological evidence — psychological evaluations, behavioral tests or brain scans — to potentially mitigate punishment.
A close analysis of the brain scans revealed vastly different neural circuitry behind problems that seem similar on the surface.
Examining the brain scans in the context of other disease markers from spinal fluid analyses and neuropsychiatric tests on the same participants showed that the rise and spread of tau in the brain tracked more closely with declining mental function than did amyloid.
Patients showing gadolinium in the vitreous chamber at the later timepoint tended to be of older age, have a history of hypertension, and have more bright spots on their brain scans, called white matter hyperintensities, that are associated with brain aging and decreased cognitive function.
Trying to find the right medicine for the sickest of these patients, Rapoport scanned their brains to zero in on regions involved in OCD and found increased activity in the basal ganglia, a center for movement and habits located at the base of the forebrain.
First, Vanduffel's team scanned two monkeys» brains using functional MRI as they located the position of a green dot on a computer screen as fast as possible after being shown a «start» cue.
Merim Bilalic at the University of Tübingen in Germany used fMRI to scan the brains of eight international chess players and eight novices while they identified either geometrical shapes or whether the pieces on a chess board were in a check situation.
Freeman and his colleagues are comparing brain scans of PTSD victims from the Gulf War, Vietnam, Korea, and so on.
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.
Based on MRI scans, the researchers attribute the seizures to damaged inhibitory fibers on the right side of the man's central parietal cortex, a brain region near the crown of the head.
Emily Cross and her colleagues at the Max Planck Institute for Human Cognitive and Brain Sciences in Leipzig scanned the brains of 18 people with functional MRI while showing them photographs of a contortionist in ordinary positions — stretching to one side, for example — and in contorted postures such as lying on her stomach with her toes touching her forehead.
Participants will be selected based on the results of a PET brain scan to detect the presence of the haywire proteins.
By comparing participants» mental health assessments at the time of the brain scans, and in a follow - up occurring on average seven months later, he found that these at - risk individuals were less likely to develop anxiety if they also had high activity in the dorsolateral prefrontal cortex.
Meanwhile the influence of neuroscience on education continues to mushroom, thanks to «opportunistic marketing» and promises that can not be kept and even, in one prominent case, the fraudulent use of misleading false - color images of brain scans.
Sook - Lei Liew and her colleagues from the National Institute of Neurological Disorders and Stroke in Bethesda, Maryland, asked eight adults to watch a circle on a screen while an fMRI machine scanned their brain.
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.
A federal court in Tennessee heard arguments yesterday and today on whether lie detection technology based on fMRI scans of brain activity should be admitted in a criminal case involving a psychologist accused of defrauding Medicare.
Images of the tumor cells are immediately created on an LCD screen observed as the surgeon scans the instrument across the tumor or brain surface.
Stolk argues that scientists and engineers should focus more on the contextual aspects of mutual understanding, basing his argument on experimental evidence from brain scans that humans achieve nonverbal mutual understanding using unique computational and neural mechanisms.
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.
They'll be just as revolutionary as the use of DNA evidence,» contends Kiehl, citing his recent study on impulsivity — «that brain scans were better than the PCL - R at predicting that psychopath offenders were four times more likely to reoffend.»
The tests and scans revealed that variation in the genetic code of genes known as ARVCF and FADS2 influenced the risk of brain injury on MRI in the babies.
Using two data sets of functional MRI brain scans from more than 350 adult and child siblings during resting state, Fair and colleagues applied an innovative technique to characterize functional connectivity and machine learning to successfully identify siblings based on their connectotype.
The patterns were surprisingly consistent from person to person, to the extent that the researchers could predict, based on brain activity, the feelings of an individual who had never been scanned before.
Nicholas Schiff, a neurologist at Cornell's Weill Medical College, adds that such brain - scan results don't necessarily prove awareness, pointing out that people on the verge of sleep or under hypnosis follow orders without necessarily being aware too.
To explain how brains make these on - the - fly decisions, Reza Shadmehr of Johns Hopkins University and John Krakauer of Columbia University two years ago reviewed studies in which the brains of healthy people and of brain - damaged patients who have trouble controlling their movements were scanned.
We also used predictive modeling to show we could predict, with some degree of accuracy, how creative people's ideas were (based on brain scans) that had already been published.»
«On a normal clinical MRI scan, you typically see the structural images of the brain, and for a mild brain injury like a concussion, we aren't able to see the underlying changes we were able to see using these advanced methods.»
Based on the results of that test, Beaty and colleagues developed a predictive model and tested against brain scan data collected for earlier studies on creativity.
On both the acute and the three - month scans, researchers observed that the very long fiber tracks in the brains of the concussed players were damaged, and also saw «hyper - connectivity» in some areas of the brain, suggesting the brain may still have been trying to compensate for the injury.
They trace the development of the face in embryos, scan brains, read the electrical activity of muscles, and record grins and pouts on high - speed video.
In 2006 Grafman's lab ran an experiment on political beliefs, scanning the brains of people as they viewed pictures of John F. Kennedy, Hillary Clinton, Ronald Reagan, and John McCain.
Tanabe's team used MRI scans to measure the brain volumes of 59 people previously dependent on stimulants and compared them with people who have never been dependent on these kinds of drugs.
The differences, as revealed by MRI scans, were striking: For example, brain regions known to be involved in control of emotions and impulsivity, such as the anterior cingulate cortex, were on average 8 % smaller in subjects with low levels of MAO - A.
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