Sentences with phrase «damages a brain region»

Some had survived an arterial rupture, a common type of stroke that damages brain regions that organize the perception of space and time.

Not exact matches

However, when the researchers damaged a more central brain region called the limbic system, which is the source of emotions and pleasure (among other things), the hamsters» maternal behaviors — like nest - building, picking up pups, and nursing — never developed.
Brain injuries damage regions of the brain and this damage can extend post-inBrain injuries damage regions of the brain and this damage can extend post-inbrain and this damage can extend post-injury.
«The regions in these networks are not talking to each other as much as healthy adults of the same age, even in networks where brain damage didn't occur.
Damasio soon discovered other people with damage in the same regions of the brain suffering from the same problem.
Studies have also found damage in the white matter of the brain, which connects these regions.
In fact, the authors report in Science this week that damage to that region is 136 times more likely to result in a «disruption of smoking addiction» — defined as the ability to quit easily without relapse — than injury to other parts of the brain.
The sheer volume of blood moving through makes this region susceptible to aneurysms, weaknesses in arterial walls that can lead to stroke and debilitating brain damage.
Currently, fcMRI is not used clinically, and the kinds of MRI and CT scans used to assess stroke damage don't measure how well different brain regions work together.
But the precuneus, a region in the cerebral cortex along the brain's midline, isn't usually damaged by strokes or head injuries, so scientists weren't sure what the region did.
Check out the brain of a chronic alcoholic and you'll often find a particular region badly disintegrated; autopsy someone who was exposed to lots of organic toxins and you'll see damage in another brain area.
«Waterlogged brain region helps scientists gauge damage caused by Parkinson's disease: Research could aid drug development for the condition.»
Implanted electrodes might also be dangerous if they penetrate sensitive regions of the brain like the speech centers, where damage could lead to speech loss, or the motor cortex, where paralysis is a risk.
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.
«Using some drugs such as ecstasy can make certain brain regions overheat and then become damaged,» Dr Li says.
In particular, frontotemporal dementia damages the ventral stream, a brain region that is associated with naming objects.
In addition to revealing the functions of different areas within the prefrontal cortex, studies have also demonstrated the flexibility of the region, which has helped experts optimize cognitive therapy techniques to enable patients with brain damage to learn new skills and compensate for their impairments.
The findings have helped experts rehabilitate patients experiencing damage to this region of the brain.
Because women are less specialized, their brains seem to be more resilient — they recover faster and more easily from the effects of strokes — and better at compensating if one region is damaged.
Brain researchers determine the function of a part of the brain by studying people whose brains are damaged in that reBrain researchers determine the function of a part of the brain by studying people whose brains are damaged in that rebrain by studying people whose brains are damaged in that region.
«We have seen that two gambling distortions — the «gambler's fallacy» and the «near - miss» effect — that are evident in the general population, and which appear to be increased in problem gamblers, are actually abolished in patients with damage to the insula region of the brain,» he said.
The implant exploits the fact that even when the neural connection between a brain region and the muscles it controls is severed or damaged by, say, a stroke or spinal injury, the controlling neurons remain active.
Soon after his retirement he suffered a stroke that partially damaged visual regions of both hemispheres of his brain.
When a nerve snaps, communication between different brain regions is disrupted, just like a damaged circuit in a computer.
Now researchers report that damage to a brain region called the orbital prefrontal cortex (OPFC) brings out impulsive behavior in rats as well, causing impulsive behavior.
All of the study subjects had damage to the prefrontal cortex, a brain region behind the forehead that is important to cognitive tasks such as planning, problem - solving, self - restraint and complex thought.
For example, sufferers of Kluver - Bucy syndrome — who often gorge themselves or resort to eating nonfood items — have damage to brain regions including the amygdala and the OFC.
Research into the planning region is important because the area is deeper in the brain and may have escaped damage in many paralysis cases, Andersen says.
It is made in abundance in the brain, especially in regions where damage to dopamine - producing neurons is known to give rise to Parkinson's.
As Meeks and Jeste continue developing their model of wisdom in the brain, they plan to study the distribution of wisdom in the general population and examine brain - damaged individuals to confirm the regions involved.
Studies of brain - damaged patients have shown that the same brain area responsible for processing such words — a region in the left frontal lobe known as Broca's area — is also involved in social tasks, such as recognizing emotional expressions.
The right temporal parietal junction is one of the brain regions that are often damaged in people who lose part of their sense of space.
They saw that people with egocentric neglect all tended to have damage in a cluster of regions along one side of the brain (including part of the parietal lobe).
The study showed that the brain region known as the posterior cingulate — an area whose damage is often seen in those with Alzheimer's — plays a crucial role in creating permanent memories.
Alien hand seems to be caused by damage to a small area at the front of the brain, suggesting that this region has a role in motor control.
Experiments like Lovejoy's on the superior colliculus, together with studies of parietal lobe brain damage, show us that both of these regions contribute to our awareness of space.
In the mid-1800s, the French physician Paul Broca discovered a region on the left side of the brain that is essential for language; damage to Broca's area, as it is called, leaves people unable to talk.
The patients, doctors found, usually had widespread brain damage, but two injured areas were especially noteworthy: the thin outer rind, called the cortex, and the thalamus, a pair of walnut - size lumps in the brain's central core, along with the neural fibers that connect these regions.
Subramaniam and his colleagues also found lesions and damaged neurons in the cerebellum, confirming Rhes is sufficient to promote toxicity and showing that even those regions of the brain normally impervious to damage can become vulnerable if Rhes is overexpressed.
Brenda Milner studied the effects of brain damage, in particular on a region known as the medial temporal lobe, and its effects on memory.
The memory loss was unexpected, and Dr. Penfield and I suspected that the surgeon had operated on the wrong side of the brain, and that there was some damage in the corresponding region in the opposite hemisphere, so that we were seeing the effect of a bilateral lesion.
We know that the hippocampus is one of the first regions of the brain to suffer damage in neurodegenerative disease, resulting in memory loss and disorientation.
But one glimpse came in 2013, when scientists transplanted human neural stem cells into the brains of mice which had damage in regions responsible for learning and memory.
Our goal is to use a new imaging system to monitor damage caused by AD to the brain region that contains the insulated axons (analogous to cables) connecting the neuron cell bodies (analogous to the central processing unit of a computer).
mThy1 - AS mice administered only control IgG1 suffered dendritic atrophy (as suggested by reduced staining with MAP2) and synaptic loss (evaluated with postsynaptic density - 95 (PSD - 95) and synaptophysin) across several regions of the brain, but this neurodegenerative damage was substantially prevented in mice administered 1H7, 5C1, or 9E4.
One might speculate that each of these damage - repair therapeutics may exhibit differential targeting of particular AS species or brain regions, as different clinical synucleinopathies exhibit distinct regional localizations and conformations of AS pathology.
With the loss of the cushioning effect provided by free - moving collagen in the blood vessels, the force of the surge of blood that is driven into the arteries by the pumping action of the heart is carried directly to organs like the kidneys and the brain, damaging to the structures that filter our blood and that connect the functional regions of our brain, and putting us at risk of a stroke.
Learning - related changes in signaling strength between synapses in the hippocampus, a region crucial to memory and one of the first parts of the brain to suffer damage with the onset of Alzheimer's Disease.
«By studying how damage to particular brain regions produces specific forms of cognitive impairment, we can map the architecture of the mind, identifying brain structures that are critically important for specific intellectual abilities.»
By analyzing multiple patients with damage to a particular voxel or cluster of voxels and comparing their cognitive abilities with those of patients in whom the same structures were intact, the researchers were able to identify brain regions essential to specific cognitive functions, and those structures that contribute significantly to intelligence.
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