Sentences with phrase «comparing brain responses»

When comparing brain responses from each trial, the group identified several brain structures that were more or less active before and during the painful stimulus in those who experienced a placebo effect.

Not exact matches

A brain imaging study shows that patients with chronic fatigue syndrome may have reduced responses, compared with healthy controls, in a region of the brain connected with fatigue.

The brain scans allowed the researchers to compare unconscious with conscious responses and showed that a reward - judging region of the brain, the ventral palladium, became active in both cases.

By observing research subjects» brain activity as they were exposed to auditory stimuli, Kraus and her team discovered a distinct pattern in the auditory response of children who suffered concussions compared to children who had not.

And when people respond well to placebos, they show stronger activation in brain circuits that control pain compared with those who are less susceptible to the placebo response.

Hutchins suspected that error correction — the brain's ability to compare its output against a target and adjust its activity in response — was at the root of the problem.

Lee's research team and collaborators in South Korea then used computer models of brain activity to compare stimulus responses of fibromyalgia patients to the normal condition.

The artificial neural networks serve as «mini-brains that can be studied, changed, evaluated, compared against responses given by human neural networks, so the cognitive neuroscientists have some sort of sketch of how a real brain may function.»

He has shown that dogs have a positive response in the caudate region of the brain when given a hand signal indicating they would receive a food treat, as compared to a different hand signal for «no treat.»

Instructed to attend to only one of two competing stories — «The Blue Kangaroo» vs. «Harry the Dog,» for example — the children whose parents had received additional attention instruction showed a 50 percent increase in brain activity in response to the correct story compared to children in the other two groups, the authors report online today in the Proceedings of the National Academy of Sciences; their responses matched those seen in adults and children of higher socioeconomic status.

In a new study from Ghent University, Belgium, the brain response to hearing one's own name versus other names was compared between a group of adults with ASD, and a control group of adults without an ASD diagnosis.

Specifically, compared with controls, marijuana abusers had significantly attenuated behavioral («self - reports» for high, drug effects, anxiety, and restlessness), cardiovascular (pulse rate and diastolic blood pressure), and brain DA [reduced decreases in distribution volumes (DVs) of [11C] raclopride, although normal reductions in striatal nondisplaceable binding potential (BPND)-RSB- responses to MP.

We compared the subjective, cardiovascular, and brain DA responses (measured with PET and [11C] raclopride) to MP between controls and marijuana abusers.

Here, we show that marijuana abusers had attenuated behavioral and cardiovascular responses and blunted reductions in striatal DV (although normal reductions in BPND) when challenged with MP compared with controls, which is consistent with decreased brain reactivity to DA stimulation.

They compared the brain's response to a single concussion with an injury received daily for 30 days and one received weekly over 30 weeks.

So he and colleague Ahmad Hariri divided volunteers into two groups — one with the «short» variant and one without — and compared (using functional magnetic resonance imaging, which generates snapshots of the brain in action) how their amygdala responses differed when they were shown pictures of fearful faces, a common method for triggering an amygdala response.

To identify CM - associated response, proteomic signatures of the brains of C57 / Bl6N mice infected with P. berghei ANKA that developed neurological syndrome were compared to those of mice infected with P. berghei NK65 that developed equally high parasite burdens without neurological signs, and to those of non-infected mice.

In the present study, we compare how well each of these approaches accounts for the spatio - temporal organization of human brain responses elicited by ambiguous visual stimuli.

The expression of ifn - α, il - 1β and il - 12 (mouse) transcripts was examined in the brains of the both groups of recipient mice; these analyses revealed implantation of untreated brain homogenates did not evoke increased or sustained neuroimmune responses compared to animals» brains that received the heat - treated brain homogenates (Figure 6B).

A study has however found different brain responses in individuals with chronic fatigue syndrome when compared with healthy individuals, suggesting a chronic fatigue syndrome and biologic functional response association.

In a 2013 study, Kirk Warren Brown, PhD, a psychologist at Virginia Commonwealth University in Richmond, and colleagues reported that mindful individuals showed lower brain arousal in response to highly unpleasant images compared with controls.

A preliminary study conducted by Northwestern University's Feinberg School of Medicine in Chicago explains that participants who slept only four hours showed greater brain activity in response to food smells, like potato chips and doughnuts, compared to when they'd slept a full eight hours.

Animals, compared to humans, are more dependent on their reactive lower brains to survive in their unpredictable environments where it is appropriate that automatic responses not be delayed by complex analysis.

The research, published by the Public Library of Science One (PLOS One), showed that most of the dogs had a positive response in the caudate region of the brain when given a hand signal indicating they would receive a food treat, as compared to a different hand signal for «no treat.»

One study directly assessed the brain functioning of children in foster care using the popular method of examining levels of cortisol, the hormone produced in response to stress in humans.25, 26 Children who are exposed to high levels of stress show unusual patterns of cortisol production.27 Foster children exhibited unusually decreased or elevated levels of cortisol compared to children reared by their biological parents.28 Such findings are consistent with the literature, which points to the importance of the parent - child relationship in buffering the stress responses of children.