Sentences with phrase «damage to a brain region»

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.
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.

Not exact matches

«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.
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.
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.
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.
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.
«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.
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.
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.
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).
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.
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.
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.
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).
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.
«Although, we now know that alcoholism and poor diet that leads to thiamine deficiency (vitamin B1) can also damage central brain regions important for both smell and memory.»
After cutting back on alcohol, Pagano says, damaged regions of the brain can start to «light up» again on brain scans.
The brain and neurological tissue are extremely sensitive regions of the body that are highly susceptible to damage.
Mike handles high value claims for cerebral palsy and other complex brain injury cases where damages are likely to be in the region of up to # 10 million.
A person's sense of smell is typically related to damage to the nasal passages, a shearing injury to the olfactory nerve or an injury to the front temporal regions of the brain.
A medical expert testified that the head injury, including damage to the right frontal lobe and left parieto - occipital region of the brain was caused by the ornament falling on his head.
The paralysis is sometimes the result of a traumatic brain injury that damages the myelin sheath of the nerve cells; locked - in syndrome is caused by damage to the brain's vertical pons, a region that controls voluntary movement.
A confluence of research has identified executive functioning deficits as a common characteristic of individuals with FASD.9 15 — 27 Damage to neurological structures, including the prefrontal regions of the brain, is a significant hypothesised cause for these deficits.28 29 Executive functions are defined as a set of cognitive processes responsible for orchestrating purposeful, goal - directed behaviour.15 30 31 These processes are responsible for the ability to plan, organise, attend, problem solve and inhibit responses.31 It is also suggested that the ability to self - regulate emotional responses and behavioural actions is interrelated with the construct of executive functioning.17 28 32 Deficits in executive functioning and self - regulation can lead to learning and behavioural problems that impact a child's educational outcomes as they struggle to cope with the complex demands of school life.16 20
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