Sentences with phrase «damage to the brain tissue»

But the number of neurons at a time with which microelectrode arrays can interface must be increased several-fold while making sure the scale - up does not cause damage to brain tissue.
«Compared to conventional neural probes, the much - reduced dimensions of our NET - e probes allow us to implant the devices at previously unattainable high densities without damage to brain tissue,» Wei tells nanotechweb.org.
The problem is that these probes are typically much larger in size than neurons and capillaries (they usually have a cross-sectional area of 103 μm2) and can thus cause significant damage to brain tissue when implanted.
Table salt is the number one source of aluminum in the American diet causing oxidative damage to brain tissues.
Increased damage to brain tissue, in ways that appear similar to the kind of damage that causes memory loss and Alzheimer's.

Not exact matches

In response, your brain starts to repair the damaged tissue.
The presence of the S100B protein triggers the release by the body of antibodies which can then leak back into the brain through the damaged blood - brain barrier, where they are thought to attack brain tissue.
Scientists have long speculated that astrocytes, the cell type that controls many neuronal functions, give rise to neural stem cells in damaged brain tissue.
After an extensive investigation aiming at the precise localization of the epileptic focus, brain tissue that is damaged due to malformation, injury or other cause, is surgically removed.
Existing treatments are limited by their ability to cross the blood - brain barrier **, and doses must be kept low to avoid damage to healthy tissue.
Neurosurgeons use electrode grids to identify which areas of the brain are diseased in order to avoid damaging or removing healthy, functional tissue during operations.
Because it is a targeted therapy, less collateral damage occurs to healthy brain tissue.
It is critical for physicians to monitor these secondary tissue damages, as they are frequently the origin of significant long - term effects, including brain damage, cognitive deficits, psychosocial / behavioral / emotional changes, bodily damage and biochemical changes at the cellular level.
While the study did not look for a mechanism, the team suggest that bilirubin, the toxin that accumulates in jaundice, may damage brain tissue and disrupt brain development, leading to autism.
Right now, the only widely available treatment for preventing brain damage from stroke is tissue plasminogen activator (tPA), which breaks up blood clots; it must be given within a few hours to be effective, and though it limits initial damage, it doesn't help the brain restore lost synapses or form new ones.
In addition to inflammation, previous microelectrode brain implants made of silicon or microwire have caused neuronal death and glial scarring, which is damage to connective tissue in the nervous system.
Saatchi, which is owned by France's Publicis Groupe, SA, chose LifeStraw over a field of competitors that included a reusable controller to improve the distribution of IV fluids, a collapsible wheel that can be folded down for easier storage when not in use on bicycles or wheelchairs, an energy - efficient laptop designed for children in developing countries, a 3 - D display that uses special optics and software to project a hologramlike image of patient anatomy for cancer treatment, an inkjet printing system for fabricating tissue scaffolds on which cells can be grown, a visual prosthesis for bypassing a diseased or damaged eye and sending signals directly to the brain, books with embedded sound tracks to help educate illiterate adults on health issues, a phone that provides telecommunications coverage to poor rural populations in developing countries, and a brain - computer interface designed to help paralyzed people communicate via neural signals.
Because the device is five to ten times thinner than the smallest commercially available microendoscopes, it can be pushed deeper into the brain tissue without causing significant damage.
Published in the journal Proceedings of the National Academy of Sciences, the team, led by Professors Claire Harris and Professor Paul Morgan, showed that when the «homing» agent was injected into mice immediately after traumatic brain injury, it specifically targeted the injured tissue, serving to inactivate the complement system and reduce inflammation and neuronal damage.
«Widespread blocking of this part of the immune system after traumatic brain injury helps damaged brain tissue to survive and improves neurological recovery in mice.
This promises to make proton therapy an option for thousands more cancer patients by reducing the risks of healthy tissue being damaged during treatment, particularly in vulnerable parts of the body such as the brain, eye and spinal cord.
In most cases, CTE is thought to be caused by repeated blows to the head, which damage brain tissue and lead to a buildup of an abnormal protein called tau, according to the CTE Center.
But metal electrodes can quickly damage natural brain tissue, making it impossible to study the transfer of signals over extended periods.
Researchers hope the material could one day be used to replace metallic, implanted neural electrodes with biopolymer electrodes that soften as soon as they touch moist neural tissue, thus avoiding damage to the fragile brain.
If brain tissue is damaged or does not develop fully, the ventricles — vessels filled with cerebrospinal fluid, shown in blue in this image based on neuroimaging work — expand to fill the space.
The lab - grown exosomes stimulated myelin production in a sample of rat brain tissue intended to simulate multiple sclerosis damage, returning myelin levels to 77 percent of normal, Kraig and his colleagues recently reported in the Journal of Neuroimmunology.
Using their model, the team has shown that induced neural stem cells, or iNSCs, can replace stroke - damaged brain tissue and stimulate neuroplasticity — the brain's ability to naturally repair itself.
Fast treatment is critical during a stroke to restore blood flow to the brain and prevent tissue damage, and limit disability.
After a stroke, levels of H2S appear to be elevated, leading to brain tissue damage, but the details of how that happens are still a bit of a mystery.
Researchers at the NRC have previously shown that gelatin accelerates brain tissue healing and reduces damage to nerve cells in the case of electrode implants, but only now are they starting to understand how.
Experts were concerned that patients with early brain tissue damage — which can be difficult for stroke doctors to see — were more likely to suffer a brain bleed if they were treated with alteplase.
Study co-author Marius Wernig, a postdoctoral biologist at M.I.T., reports in Proceedings of the National Academy of Sciences USA, that this is the first time scientists have successfully manipulated such cells to integrate into brain tissue and reverse damage caused by a neurodegenerative disease.
Proton therapy delivers high radiation doses directly to the brain tumor site, with no damage to nearby healthy tissue.
Sophisticated radiation therapy technologies for treating brain and spinal tumors, aneurysms, and blood vessel abnormalities while causing minimal damage to healthy tissues.
To identify the molecular mechanisms of neural stem cell plasticity in adult zebrafish brain after various types of tissue damage or physiological stimulations
Moreover, recent data also show that in response to brain damage caused by aging, amyloid deposition, demyelination, and other insults, microglial cells activate several genes, including APOE, in order to more efficiently scavenge and clear tissue debris that are very rich in cholesterol due to the natural composition of the brain, which is mostly made of fats.
According to Lena Palaniyappan and colleagues, regardless of the kind of tissue damage initially recorded, the brains of schizophrenic patients were shown to be constantly attempting to reorganize themselves.
In cases of Parkinson's Disease, Multiple Sclerosis, Alzheimer's or other neurodegenerative disease, adult stem cells can slow the degenerative progression of your symptoms while restoring blood flow to the brain and repairing or replacing damaged tissue.
The later stages of Alzheimer's may bring about such severe brain tissue damage that the body begins to shut down.
To displace delicate tissues and folds of the brain — and limit intraoperative damage — a tubular retractor was advanced along the chosen trajectory into the atrium of the lateral ventricle, entering the thalamus at a point identified by the microscope and pointer as superior and lateral to the choroid plexuTo displace delicate tissues and folds of the brain — and limit intraoperative damage — a tubular retractor was advanced along the chosen trajectory into the atrium of the lateral ventricle, entering the thalamus at a point identified by the microscope and pointer as superior and lateral to the choroid plexuto the choroid plexus.
It repairs damaged tissues, allows critical immune function to take place and encodes the day's memories more deeply in the brain.
MSCs have been seen in clinical research to migrate to damaged myelin zones of the brain tissue and repair these protectors of the CNS.
Most brain cancers are invasive and may crowd out healthy cells and damage normal tissue, although they rarely spread to other parts of the body.
«Our hope is to one day treat diseases like heart failure or Parkinson's disease with drugs that help the heart and brain regenerate damaged areas from their own existing tissue cells.»
Toxoplasma is associated with damage to the brain's astrocytes — glial cells that function as an interface between neuronal and non-neuronal tissues.
Once in your brain, your stem cells are called upon to perform the important task of improving blood flow to tissues, halting destructive inflammation and premature tissue death, while ultimately replacing damaged cells.
For more than a century, scientists thought that glial cells were responsible for scar formation; now, however, a paper published in Science shows that spinal cord scar tissue largely derives from a completely unexpected type of cell called a pericyte, opening new opportunities for the treatment of damaged nerve tissue.Lesions to the brain or spinal cord rarely heal fully, which leads to permanent functional impairment.
The central nervous system damage seen with prenatal ZIKV infection is likely due to direct cellular injury, as ZIKV RNA15, 17,32 and live virus15 have been identified in the brain tissue of infants with microcephaly.
This can lead to some effects such as tissue damage but it can also meddle in your muscle, heart and brain function if left unfixed.
While sleeping, we repair damaged tissues and organs, we metabolize hormones our body no longer needs, and our brains use this time to organize our thoughts and experiences, and to make permanent neurological links (memories) for the learning we experienced that day.
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