Exercise sharpens focus, decision-making among aging adults
...a has been linked to many functions, including the spatial attention. Participants of the aerobic-exercise intervention reduced their level of behavioral conflict in completing a computer-based task by 11 percent from pre-exercise levels, while the control subjects who performed stretching and toning activit...Low free testosterone levels linked to Alzheimer's disease in older men
...e have better visual and verbal memory and perform spatial tasks more adeptly than their peers. "It is quite possible that circulating free testosterone has a broad range of influences on the aging brain," Dr. Resnick said. "The effects of some of these influences-such as the role of testosterone in the deve...Low dose radiation in infancy may affect intellect
...earning ability and logical reasoning, but not for spatial recognition. Intellectual development could be adversely affected when the infant brain is exposed to ionising radiation at doses equivalent to CT scans of the skull, say the authors. The risk and benefits of CT scans in minor head trauma need re-eva...Concord grape juice improved memory and neuro-motor skills in animal study
...e-sensitive challenge that requires animals to use spatial learning to find a platform submerged 2 cm below the surface of a pool of water. Rats fed a 10% solution of Concord grape juice found the platform in roughly 20% less time than the control group. Other tests measured the animals' ability to balance...Yesterday, today and tomorrow: Mount Sinai researchers are making sense of episodic memory
...ich become more active in response to a particular spatial location. "We found that the activity of the plac...explains Dr. Ferbinteanu. "These cells maintained spatial selectivity, but this activity depended upon where the animal had just been or where it intended to ...Brain area identified that weighs rewards
..., obsessive-compulsive disorder, schizophrenia and spatial disorientation. The researchers, led by Michael Pl...that damage to this area can cause disturbances in spatial perception," Platt said. "Such damage can sometimes cause the kind of 'neglect' of a visual area tha...A new technique detects earliest signs of Alzheimer's in healthy people
...r in the medial-temporal lobe and by improving the spatial resolutions of the MR images. White matter is the fatty insulation around the long, cable-like axons of neurons; gray matter contains the bodies of neurons. In a person with Alzheimer's disease, the gray matter is largely destroyed. In future studie...Implanted stimulator for Parkinson's disease impairs cognitive function
...t a computer screen and were asked to remember the spatial location where a dot appeared on the screen. They had to keep track of either one or two dots. When the task involved remembering the location of more than one dot, subjects performed better when their stimulators were off. In a second task, subjects...Cardiac MRI detects thinned heart muscle previously deemed unsalvageable
...viability testing, because with its extremely high spatial resolution, it can detect details not seen before," Shah said. "The ability to differentiate between living and dead cells makes MRI a more direct measure of tissue viability than any other method." During a cardiac MRI examination, which is non-inva...Nicotine metabolite may improve memory, protect against disease
...he animals reached adulthood, they were tested for spatial learning and memory. Nicotine made a significant difference in the animals' performance in the tests. Low and high doses of nicotine altered behavior in opposite directions: The low-dose group tended to learn faster and the high-dose group tended to ...Scientists map maturation of the human brain
... areas matured first followed by areas involved in spatial orientation, speech and language development, and attention (upper and lower parietal lobes), spreading to the areas involved in executive functioning, attention or motor coordination (frontal lobes). Further, the areas that integrate these functions...Hopkins' Peter Agre receives 2003 Nobel Prize in chemistry
...ockefeller University scientist who determined the spatial structure of cell membrane channels that control passage of salts. The discovery of the water channel, dubbed "water pore" or aquaporin, ushered in a golden age of biochemical, physiological and genetic studies of these proteins in bacteria, plants a...Researchers receive $4.9 million grant to continue study of children prenatally
...and poorer general knowledge/arithmetic and visual spatial skills at 4 years. This continuation of their research is supported by a new $4.9 million grant from the National Institute on Drug Abuse, one of the National Institutes of Health. The grant will take the researchers up to their 14th year of fundin...Video game used for study of human navigation
... visually based neural code used by humans to form spatial maps of their environment and navigate from locati...sity and an expert in the neurophysiology of human spatial navigation. "Our results suggest that our navigation system preserves some elements of the same sys...SFVAMC researchers distinguish dementias using brain imaging
... in the area of the brain involved in language and spatial orientation, called the parietal cortex, when compared to patients with AD and controls. But, SIVD patients had virtually no NAA losses in another brain region involved in memory, called the medial temporal lobe, where patients with AD had substantia...Fred Hutchinson Cancer Research Center study shows retinoids kill childhood brain tumor cells
...rebellum, a region important for motor control and spatial orientation. The disease primarily strikes children under the age of 7. Standard therapy, which includes surgical removal of the tumor followed by radiation and a year of chemotherapy, offers about a 70 percent chance of survival for children over ag...Premenopausal breast cancer linked with place of birth, residence at time of menarche
...nic disease," said Han. "At UB, we are developing spatial statistical methods to combine geographic information systems, mapping and visualization with epidemiology to help identify patterns of disease." Finding clustering of cancer patients based on where they were born and lived during early life is signi...Desert sandstorms add dangers for pilots
...t Texas A&M University, has studied pilots and the spatial disorientation they might experience operating in ...nments with poor visibility. The Air Force defines spatial disorientation as an incorrect perception of one's position and motion relative to the earth's surfa...An automated observation system to analyse the behaviour of laboratory rodents
...is system automatically records and classifies the spatial orientation and movement of an animal, taking away all-too-human frailties such as variation in classification caused by tiredness or different observers. ETHOVISION systems have now been installed in more than 450 laboratories, including those of ma...People near freeways are exposed to 30 times the concentration of dangerous particles
...cted in the United States that provides a detailed spatial profile of ultrafine particles near freeways," said William C. Hinds, a professor of environmental health sciences in the UCLA School of Public Health, who co-authored the studies with Yifang Zhu, a doctoral candidate in the School of Public Health. ...