Sentences with phrase «increased brain activation»

Increased brain activation required by MS patients on warmer days to perform a simple task may signify neural inefficiency.»

Also, if an ACC marker predicts better response, researchers might develop cognitive training that specifically targets this region, which could increase brain activation to accelerate or boost response to more traditional intervention.

Not exact matches

The inexperienced meditators, meanwhile, showed increased activation in brain regions that have been shown to negatively correlate with sustaining attention.

The link between depression and the immune system has been shown using positron emission tomography using a tracer for the translocator protein (TSPO) showing increased immune activation in the brains of patients with major depressive disorder compared with control subjects.

Research has shown that lucid dreaming is accompanied by an increased activation of parts of the brain that are normally suppressed during sleep.

In addition, compared to mice on a regular diet, brain cells from animals in the olive oil group showed a dramatic increase in nerve cell autophagy activation, which was ultimately responsible for the reduction in levels of amyloid plaques and phosphorylated tau.

They found that one month after training, the children showed increased activation in the intraparietal sulcus and reduced neural activation elsewhere in the parietal lobes — a hint that their improvements in arithmetic were related to changes involving brain areas that respond to number.

If any of the adult shark pooh - pooh - ers had been having their brains scanned at that moment, scientists would have seen increased activation in the amygdala and insula — two key parts of the brain's limbic system and important inputs to the mesocortical limbic circuit.

The specifics have yet to be ironed out, but the Amgen team has uncovered a few clues in their rodent studies: They found treated animals had increased activation of certain neurons in the brain that detect blood sugar, and this may have helped them sense when it was time to stop eating.

When teenagers successfully resist an urge in a common test of impulsivity, they show increased activation in a brain region associated with restraint (above), suggesting that their brains have to work harder to avo

A PET scanner can then detect the radioactive particles emitted from inside the brain, representing areas of increased microglial activation before and after immune stimulation with LPS.

Researchers at the University Department of Radiology and Nuclear Medicine at the MedUni Vienna have now demonstrated by means of a meta - analysis of functional image data that increased activations in the involuntary attention system in the brain are responsible for these disorders in MS patients.

McLean Hospital neuroscientists have found that even a brief episode of immune system activation within days of birth can cause persistent changes in sleep patterns concurrent with increases in epilepsy - like brain activity — a combination of symptoms common in autism spectrum disorder (ASD) and other developmental conditions.

Second, they showed increased activation of executive «self - control» circuits in the brain, perhaps making them more effective in resisting temptations.

Looking at brain activity, fNIRS revealed that boys showed increased activation with proficiency in the front of the brain when they heard a correct sentence, while girls showed more at the back.

As the study was conducted in a brain scanner at the LIFE&BRAIN Center in Bonn, researchers could also show that products labeled with this emblem led to increased activity in specific brain regions: For example, they observed increased activation in regions important for reward processing as well as frontal regions that process abstract product attributes (e.g. whether or not a product carries a Fair Trade logo, and the meaning of such a label).

This novel approach — combining information obtained simultaneously from MRI images of the stomach, feelings reported by the subjects, and brain scans — can offer new insights which would otherwise have been unknown, for example that activation in a brain area called the mid-temporal gyrus seems is in some way influenced by the increased water load in this experiment.

Kim Cecil, a chemist and professor of radiology at Cincinnati Children's Hospital Medical Center and an expert on the impact of lead on the brain, has found that whereas the language - function region of the brain's left hemisphere is perturbed by chronic lead exposure, corresponding regions in its right hemisphere show increased activation in the presence of blood lead levels above current levels of concern.

«But during the navigational memory task, certain parts of the brains of subjects with concussion showed altered activation patterns, either diminished or increased activity.

However, in developing brain cells, the researchers found TLR3 activation also influences 41 genes that add up to a double whammy in this model — diminished stem cell differentiation into brain cells and increased cell suicide, a carefully controlled process known as apoptosis.

Patients with major depressive disorder (MDD) have increased brain levels of a marker of microglial activation, a sign of inflammation, according to a new study in Biological Psychiatry by researchers at the University of Manchester, United Kingdom.

«We did not see any increased activation of the parts of the brain normally engaged during reasoning,» Westen is quoted as saying in an Emory University press release.

This decreased reward response to alcohol arose via two mechanisms: an initial activation of stress hormone receptors and a subsequent increase in inhibitory signaling in the brain.

The anti-apoptotic effect of BES was dependent on the activation of the PI3K / Akt signaling cascade and an increase in brain - derived neurotrophic factor (BDNF) production.

Analysis focused on 22 regions of interest where brain activation increased during the task, with particular attention to those regions» interactions with an area previously shown to play a role in identifying speech sounds.

The activation of this signaling pathway progressively increased in different types of gliomas, with the highest activity seen in patients with glioblastoma, a particularly difficult - to - treat form of brain cancer that represents approximately 15 percent of all brain tumors.

Importantly, the researchers found that the brain was compensating for this by increasing activation of the diaphragm muscle.

Functional magnetic resonance imaging has shown that mothers, but not fathers, have increased brain cortical activation in specific language processing areas when listening to infant - directed speech, suggesting that mothers have an intent to communicate and the difference in neural processing is experience - dependent.24 The mothers spoke more to infant girls than boys in early infancy.

These studies suggest that assisted exercise increases activation patterns within the brain.

Recent evidence suggested that Aβ42 can trigger activation of AMP - activated Kinase (AMPK) and that AMPK activation is increased in the brain of AD patients.

The hippocampus, an important memory center in the brain, is particularly affected by this loss of inhibitory neurons, resulting in an increase in network activation that is thought to contribute to the learning and memory deficits characteristic of Alzheimer's disease.

Recent evidence in healthy adults shows that training with high effort (intended muscle contraction) combined with minimal physical exercise increases brain - to - muscle command, which helps improve motor unit recruitment and activation level resulting in muscle strengthening (a motor unit is consisted of a motor neuron in the spinal cord and muscle fibers it controls).

«We predict that following the treatment, neuroimaging will show increased activation in regions of the brain critical for facial affect recognition, correlating with the effects of the intervention.

The researchers also discovered that the integrity of synapses was preserved much better in the olive oil group and the brain tissue of the mice that fed olive oil had increased autophagy activation of the nerve cells.

Three recent experimental studies focused on low consumption / exposure.949596 In one study, 29 smokers each consumed a single cigarette, immediately after which they had a significant decrease in blood vessel output power and significant increase in blood vessel ageing level and remaining blood volume 25 minutes later, as markers of atherosclerosis.94 In another study, human coronary artery endothelial cells were exposed to the smoke equivalent to one cigarette, which led to activation of oxidant stress sensing transcription factor NFR2 and up - regulation of cytochrome p450, considered to have a role in the development of heart disease.95 These effects were not seen when heart cells were exposed to the vapour from one e - cigarette.95 A study exposed adult mice to low intensity tobacco smoke (two cigarettes) for one to two months and found adverse histopathological effects on brain cells.96

The spatial smoothness of T2 * images was greater at 3 T by less than 1 mm, suggesting that the greater extent of activation at 3 T beyond these spatial scales was not due primarily to increased intrinsic spatial correlations at 3 T. Rather, the increase in percentage of voxels activated reflects increased sensitivity for detection of brain activation at higher field strength.

McLean Hospital neuroscientists have found that even a brief episode of immune system activation within days of birth can cause persistent changes in sleep patterns concurrent with increases in epilepsy - like brain activity — a combination of symptoms...

This group had increased activation in higher - order brain regions associated with attention control and enhanced cognitive control, he says, while exhibiting a deactivation of the thalamus — a structure that acts as the gatekeeper for pain to enter the brain, he explains.

The chronic stress of an unhealthy relationship can cause a long - term activation of our brain's CTRA, contributing to chronic inflammation and increasing the risk of health problems like adrenal fatigue.

Bad posture increases the wear and tear of all joints because they are not moving in the way they are designed to and because the muscles stabilizing the joints do not receive the correct activation from the brain.

At the same time, magnetic resonance imaging (MRI) brain scans of those who drank the corn syrup drink showed increased activation in a region of the brain called the nucleus accumbens, which has been tied to reward and cravings in past research, compared with the men who drank the low - glycemic index drink.

Studies show a link between high - fat and high - sugar foods and the increase in the activation of reward pathways in the brain, particularly dopamine receptors, says Erin Macdonald, R.D.

In some people, these activation and feedback mechanisms fail, altering the first increase in profusion and subsequent normalization of blood to the heart and brain.

Central adaptations might involve the reduction of the eccentric - specific voluntary activation deficit, perhaps by either increased net excitability of the spinal reflex pathway, or by increased motor learning through increased functional connectivity between the primary motor cortex and other parts of the brain.

Data reveal that peripheral immune system activation exacerbates inflammatory responses in the brain, and may incur or increase neurodegenerative processes.»

We found that breakfast skipping led to increased neural activation in brain regions controlling food motivation and food reward (i.e., hippocampus, amygdala, anterior cingulate, and parahippocampus) prior to lunch; however, the addition of a protein - rich breakfast led to reduced activation in these regions.

«We show that the increased activation — what we call arousal — changes how information is represented, and it's much more selective,» said co-author Giesbrecht, a professor in UCSB's Department of Psychological and Brain Sciences.

Researchers have detected increased activation in this area at the front of the brain when people are involved in thinking and problem solving that engages working memory.

Increases occurred in left temporo - parietal cortex and left inferior frontal gyrus, bringing brain activation in these regions closer to that seen in normal - reading children.

Remediation resulted in improved language, reading performance, and increased activation in multiple brain regions during phonological processing.