To Drive Or Not To Drive? New Criteria For Those With Epilepsy
...es, as long as they're controlled. But there's a gray area for peoplewhose seizures aren't perfectly controlled -- is it safe to drive? How do youdecide? That's what we've been able to assess. It's a tremendously importantissue for people with epilepsy." The researchers examined two groups of......in the conundrum: Women have a higher proportionof gray matter to cranial volume than men. Conversely, men...d with the newly found proportional differences in gray and whitematter in men and women. While higher volume of tissue correlated with betterperformance on...Computer matches CT scans to disease database
...ermines the "meanintensity" of the image -- or how gray it is -- along with other features. Thatinformation is used to place the image into a mathematical vector that enablesthe computer to compare it to other images. The system retrieves the mostvisually similar images, any of which can be enlarged and f...UMass researchers teaching computers to interpret MRIs
...y tissueshows up as a pattern of various shades of gray along with some white. UMassresearchers hope to train the computer to separate the image into the lesion,consisting of the dead or injured tissue, and the healthy region. In addition,they want the computer to be able to give a reliable evaluation of ...Oxygen reduces effects of retinal detachment
...ent may include flashing lights, newfloaters, or a gray curtain which moves across the eye. During retinal detachment, the retina is separated from its only sourceof nutrients and oxygen, the choroid, a bed of capillaries that serves totransport them. With oxygen therapy, the retina is supplied...100 years of Freud's interpretation of dreams
...nebulous and hard-to-define mind and the physical, gray brain. Whatthey discovered, and what they are still discovering, is the incrediblecomplexity of both brain and mind. The line where the brain and behavior meet is the focus of much of modernneuroscience. And dreams are proving to be a foundation for...'Silent stroke' linked to depression
... in the basal ganglia, alsocalled the 'subcortical gray matter.' Located deep within the brain, the basalganglia acts as a relay station between different parts of the brain byproducing chemicals such as serotonin and norepinephrine. These regulate thearea of the brain known as the cortex, where informa......s. Neurons of the cerebralcortex--a thin sheet of gray matter on the surface of the brain--grow by extendingtheir neurites and forming connections, both of which are accompanied by anincrease in activity of the Notch signaling pathway. The Notch signalingpathway gradually inhibits the extension of neur...Novel neurotransmitter overturns laws of biology, offers potential for stroke treatment
...trocytes, which enclose nerve cells in the brain's gray matter like a glove. The current study adds conclusive evidence to the idea that D-serine -- released from astrocytes -- activates receptors on key nerve cells in the brain. Activating these receptors, called NMDA receptors, has long been linked wi...Map makers can avoid confusing the color blind
...ld be to choose blue, light green, greenish white, gray magenta and dark green, a scheme that avoids confusion lines....NIDA clinical toolbox provides the latest information about drug treatment strategies
...se Counselors. The toolbox, packaged in a bright gray box with a large "TX" on the front, will be available later this month from the National Institute on Drug Abuse (NIDA). <P"One of NIDA's mandates is to disseminate state-of-the-art research information about drug addiction and its treatment," e...Hand size counts in safe handgun use
...th with percentile of U.S adult men and women. The gray bar in Figure 2 corresponds to handgun measurement...fely. The range of TGLH I measured is shown by the gray bar in Figure 2, with the S&W Model 410 at the bottom of the bar (3.60 inches, or 91.4 mm) and the C...Specifying alcohol-related brain damage in young women
...ong the three principal tissue types in the brain: gray matter (cell bodies), white matter (fiber tracts connecting cell bodies), and cerebrospinal fluid (which fills cavities in the brain). Functional MRI uses the same hardware as MRI but is more sensitive to changes in blood flow related to changes in ...Cell transplants offer hope of brain repair following stroke
...transplants. The cerebral cortex is the mantle of gray substance covering each half of the brain. It's the area responsible for higher mental functions such as thought, reasoning, memory and voluntary movement and is also the area most often damaged by strokes. "Our goal was to replace the dead area o...Men with chronic schizophrenia lose brain volume faster
...of three percent per year decline in the volume of gray matter in the temporal lobes of the brain compared...in the healthy men. The accelerated decline in gray matter volume was also seen in the right frontal lobe. In addition, the study found faster expansion...Researchers observe abnormalities in brains of autism patients
...ace, mean interneuronal distance, compactness, and gray level index. According to study author Manuel F. Casanova, MD, a neurologist and neuropathologist at the Downtown VA Medical Center in Augusta, Georgia, the examinations revealed that the cell minicolumns of autistic patients are significantly small...Jefferson trial looks to improve diagnosis of prostate cancer
...tional Doppler imaging as well as a newer harmonic gray scale inversiontechnique. "The phase inversion technique provides better spatial and temporal resolution," he notes. He adds that these techniques may enable them to identify slight irregularities in the normal prostate blood flow pattern that are no...Neuronal differences in certain brain regions observed in chronic users of cocaine
...egions of the brains of the cocaine users had less gray matter. This decrease in critical working brain ti...either animal or human studies that differences in gray matter concentrations have been found in chronic cocaine users. The investigators suggest that some ...Brain shrinkage in ADHD not caused by medications
...ns the smaller were their frontal lobes, temporal gray matter, caudate nucleus and cerebellum. While medicated patients' white matter volume did not differ from that of controls, white matter volume was abnormally small in 49 never medicated patients scanned. These results held up even after the researc...Medications aren't affecting brain size in children with ADHD
... decreased brain volumes in ADHD in both white and gray matter compartments are not due to drug treatment. Conversely, we have no evidence that stimulant drugs cause abnormal brain development," it says....