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Tag: "traumatic" at biology news

Study finds mix of disease processes at work in brains of most people with dementia

...strokes, Parkinson’s disease, hemorrhages, tumors, traumatic brain injury or others. Comparison of the clinical and autopsy results showed that only 30 percent of people with signs of dementia had Alzheimer’s disease alone. By contrast, 42 percent of the people with dementia had Alzheimer’s disease with in...

Researchers use MRI to predict recovery after spinal cord injury

... Dr. Fehlings’ study included 100 patients with traumatic cervical SCI. The group consisted of 79 men and 21 women between the ages of 17 and 96. Complete motor and sensory SCI was seen in 26 patients, incomplete SCI was seen in 51 patients, and 22 patients were neurologically intact upon admission. One pat...

Mice with a migraine show signs of brain damage

...nomenon contributes to injury from stroke and from traumatic brain injury as well as migraine. While it’s been widely recognized that CSD underlies some migraines, Nedergaard’s team linked the phenomenon for the first time to both severe hypoxia and to damage to brain cells. As a result of CSD, the team fou...

Traumas like Sept. 11 make brains more reactive to fear

...e think that the World Trade Center experience was traumatic enough that it left them with hyperactive amygdalae." ...

Researchers develop marker that identifies energy-producing centers in nerve cells

...dy the role of neuronal mitochondria in stroke and traumatic brain injury, according to Dr. Kristian. He says his investigators are developing a similar marker for glial cells in the brain. ...

Anxiety disorders surprisingly common yet often untreated

...generalized anxiety disorder, panic disorder, post traumatic stress disorder or social anxiety disorder. The new study, which looked at 965 patients in 15 primary care clinics, found anxiety to be as prevalent as depression, and much more common than previously thought, in patients who were visiting a physicia...

Carnegie Mellon University research shows how sensory-deprived brain compensates

...of sensory deprivation that results from stroke or traumatic brain injury, say the authors. "Our findings ...mell or touch are common disabling side effects of traumatic brain injury and stroke. In her study, Barth recorded brain activity in mice with various degrees...

Elderly spinal cord injuries increase five-fold in 30 years, Jefferson neurosurgeons find

...es." Geriatric patients also appear prone to traumatic spinal cord injuries due to: (1) changes in bone...sses, as well as their limited ability to overcome traumatic injuries, they said. Mortality, both during hospitalization and the first year after i...

Research project tackles 'regeneration' gap

...rkinson’s diseases, cancer, multiple sclerosis and traumatic injury. The project has received support from two private gifts ?from Jon and Beverly Thompson of Sanibel, Fla., and from the Thomas H. Maren Foundation, based in Gainesville ?and from the UF Office of Research. Initial funding will help provide f...

A new target for painkillers

... disorders, multiple sclerosis, infection, stroke, traumatic brain injury, shingles, nerve toxins and electrical or other damage to peripheral nerves. Sometimes, doctors are unable to find a cause. Symptoms can include numbness and pain that feels like constant burning, "pins and needles," sharp shooting pa...

Amateur boxing linked to brain cell injury

... 20 percent of professional boxers develop chronic traumatic brain injury, according to background information in the article. Some studies have suggested that amateur boxers also damage their nervous systems, but because their shorter bouts allow fewer blows to the head and because they must wear safety equi...

New mechanism underlying pain found

...following a nerve injury, typically results from a traumatic injury, an infection or disease, or surgery, and can persist long after the initial injury has healed. Millions of people worldwide suffer some form of neuropathic pain, and the current treatment options are limited or inadequate for many people. The...

How brain injury leads to seizures, memory problems

...l treatment, neurology researchers have shown that traumatic brain injury reduces the level of a protein that h... defects experienced by people who have suffered a traumatic brain injury (TBI). "A traumatic brain injury occurs to someone in the United States every 23 secon...

Intrinsic eye protein halts angiogenesis

...to herpetic infections of the eye, chemical burns, traumatic injury or surgery such as corneal transplantation. "The standard paradigm has been the cornea is avascular because it has lots of anti-angiogenic molecules and it does," Balamurali Ambati said. "But knockdown of any of the other molecules does not ...

Just like us, social stress prompts hamsters to overeat, gain weight

...plete a major project at work. It is distinct from traumatic stress, such as suffering the death of a loved one. Traumatic stress typically dulls the human appetite, said Bartness, the study's senior researcher and an authority on obesity. In the U.S., where food is plentiful and relatively cheap, overeating ...

Bioengineered tissue implants regenerate damaged knee cartilage

...ting early osteoarthritis of the knee secondary to traumatic injury. Maturation of the implanted, tissue-engineered cartilage was evident as early as 11 months after implantation. Antony Hollander, ARC Professor of Rheumatology & Tissue Engineering at Bristol University who led the study, said: "This is ...

Mice learn tasks that may help treat human psychiatric disorders

...ess in studying autism, other similar diseases and traumatic brain injuries was limited, Garner said. The Gar...son's disease, schizophrenia, Tourette's syndrome, traumatic frontal brain lobe injury and a host of other human mental disorders for which set shifting is an im...

New research promising for improving brain cell survival after brain injury

...hat can save neurons from dying after experiencing traumatic brain injury from incidents such as stroke, car ac...n usual in brain cells after they have experienced traumatic injury. Prof Tan said that because this protein is "over-expressed", it can prevent the neuron's ...

NASA technology helping injured US troops

...s returning from overseas duty with spinal cord or traumatic brain injuries, at Walter Reed Army Medical Center in Washington, D.C. The revolutionary new physical therapy device named SAM, for the Secure Ambulation Mode, is based on technology originally developed and honed at NASA's Goddard Space Flight Cente...

Growth factor-promoting angiogenesis expressed in tumor cells and normal neurons

... "Normal neuronal expression of SCF in response to traumatic brain injury also raises the disturbing possibility that standard invasive procedures such as surgical biopsies or partial tumor resections may be inducing a proangiogenic response, or trigger, within the brain," cautions Dr. Fine. ...

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