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-in
Brain injuries
damage regions of the
brain and this damage can extend post-in
brain 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 re
Brain researchers determine the function of a part of the
brain by studying people whose brains are damaged in that re
brain 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.