Tag: "cerebral" at biology news

Alzheimer's disease is not accelerated aging

...sum a tract of white matter that connects the two cerebral hemispheres. The accelerated memory loss of Alzheimer's disease is more likely due to changes in the medial temporal lobe memory system, which includes the hippocampus. For brain changes in non-demented aging, Buckner reviews studies that use st...

Newly identified master gene key in baby's first breath

...use has been associated with side effects, such as cerebral palsy, asthma and bronchitis. The identification of Foxa2's role in lung development is expected to lead to new treatments for premature babies, children and adults with lung disease or lung injury. ...

Wisconsin scientists develop quick botox test

...treat nerve disorders and help calm the muscles of cerebral palsy and stroke patients. It is best known to the public by the trade name Botox, which, in minute doses, is widely used in cosmetic procedures to smooth frown lines and wrinkles. Last year, Chapman's group identified the mechanism by which the tox...

University of Alberta researcher looks for clues to mysterious disease

... appearing. "Kids are often misdiagnosed with cerebral palsy but what distinguishes A-T is it gets worse," said Campbell. "Sadly, many of the people with A-T end up in wheelchairs and most die young (I think there is a fair range). Soon after the onset of A-T, children lose their ability to write and...

News tips from the Journal of Neuroscience

...through interaction with bim after transient focal cerebral ischemia Okuno et al. Following ischemia, the c-Jun N-terminal protein kinase (JNK) pathway may be an early step leading to neuronal apoptosis via mitochondrial apoptosis-related proteins. Proapoptotic proteins of the BcL-2 family, like Bax, can be ...

DHA-rich diet protects brain from Alzheimer's damage, UCLA study shows

...n tracking DHA-related biomarkers in the urine and cerebral spinal fluid of Alzheimer's disease patients. "If we can detect biomarkers of Alzheimer's disease earlier, we can intervene with treatment sooner," noted Cole. The human brain absorbs DHA rapidly, making a constant supply critical for proper cogn...

APS showcases 46 historic breakthrough research articles

...that introduced a revolutionary new way to measure cerebral blood flow. The manuscript, still a landmark in its field, sparked the development of new cerebral blood flow methodologies and revolutionized research on the human brain. Arthur Guyton, Arthur Lind...

Decreasing toxins in brains of Alzheimer's patients keep cognitive deficits at bay

...reflect oxidative damage in the brain, by draining cerebral spinal fluid (CSF) can stave off future reductions in cognitive abilities. This work appears in the August issue of the Journal of Alzheimer's Disease. As measured by a paper-and-pencil cognitive test, the researchers found that scores of the eight p...

Stem cell research targets cerebral palsy

...grate into an injured brain, helping children with cerebral palsy recover lost function, according to research...itutes of Health that are using an animal model of cerebral palsy to identify the most effective way to transplant stem cells and possibly answer that question....

Reading hexametric rhyme supports cardiac synchronization, especially after a heart attack

...blood pressure fluctuations (Mayer waves) and even cerebral blood flow oscillations during the saying of the Catholic Rosary and the 'OM' mantra. This effect is attributed to the breathing frequency of approximately six breaths per minute induced by the metric of both religious verses. Researchers have also ...

Genetic model for devastating form of paraplegia suggests new treatments

...eteriorate. These nerve cells run from the brain's cerebral cortex to the spinal cord where they connect to "downstream" nerve cells that excite muscles throughout the body to control coordinated movement. HSP causes weakness, spasms and loss of function in the muscles in the lower extremities. More than 20 g...

A genetic model for hereditary spastic paraplegia (HSP) disease

...d in HSP those that send signals from the brain's cerebral cortex to the motor neurons that initiate muscle contractions show a progressive dysfunction that culminates in degeneration. Genetic anomalies in more than 20 different genes have been associated with HSP, but mutations in one gene in particular, S...

Severe depression associated with greater number of nerve cells in thalamus region of brain

...g information from other parts of the brain to the cerebral cortex. The findings, published in today's issue o...lamus is often referred to as the secretary of the cerebral cortex the part of the brain that controls all kinds of important functions such as seeing, talking...

Existing drug may prevent brain injury and seizures in newborns

...bnormalities that underlie serious conditions like cerebral palsy and epilepsy. Premature infants, who are su... periventricular leukomalacia (PVL) that underlies cerebral palsy. PVL is most common in the preterm infant and is thought to be caused by excitotoxic damage t...

Alzheimer's may leave some forms of memory intact

..., although it is thought to depend on areas of the cerebral cortex," said Buckner. For their study, Lustig and Buckner recruited 34 young adults, 33 healthy older adults, and 24 older adults in the early stages of Alzheimer's disease. They designed their study to compare the implicit memory capabi...

When blood can't get to brain, special CT scan helps

...erfusion CT can monitor for this condition, called cerebral vasospasm, and speed treatment. Lastly, Hoeffner and her colleagues note that perfusion CT is in the early stages of development for patients with brain tumors. Because tumors need to form new blood vessels to feed themselves, and because new blood ...

Insights on stroke from the peripheral blood suggest ways to develop markers and therapies

... clot-busting treatment would increase the risk of cerebral bleeding. Ongoing work in Dr. Baird's laboratory is investigating the association between inflammation and gene expression on ischemic brain tissue and clinical outcomes. Other investigators involved in this work are Violet Wright, Zurab Nadareishv...

The brain's flashy tale

...ghter. "This study reveals a new way in which the cerebral cortex handles light and suggests that the brain is processing light in the cortex through two parallel streams of nerve cells," Sejnowski says. "One of the streams adapts its perceptual signaling to the brain in response to changes in light, and th...

Specifying alcohol-related brain-damage among heavy social drinkers

...bolites in both gray and white matter of the major cerebral lobes, subcortical nuclei, brainstem, and cerebellum using short-echo time MR spectroscopic imaging. Regional levels of N-acetylaspartate (NAA), myo-inositol (mI), and creatine- and choline-containing metabolites were also compared as a function of ...

Imaging the brain solving problems through insight

...ness and obviousness. While several regions in the cerebral cortex showed about the same heightened activity for both insight and noninsight-derived solutions, only an area known as the anterior Superior Temporal Gyrus (aSTG) in the right hemisphere (RH) showed a robust insight effect. The researchers also ...

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