New Book Says Cross-Train Your Brain To Increase Mental Function
...ghboring cellsthrough linkages called synapses. As brains age, these dendritic connections maythin out, but ...hat during critical periods early in life,people's brains set up some of their very basic circuits," he said. "But thelong-held idea that after that, brain co...... Using non-invasive fMRI, the team looked at the brains of two strokepatients, 34 and 45 years old, as they read and indicated their comprehension ofnormal English sentences. Very soon after stroke, the cortical areas on theright sides of their brains, the right-hand homologues of Broca's area or ofWernic...New Approach To Attacking Alzheimer's Disease Studied
...eased in the beta-amyloid plaques which form inthe brains of patients with Alzheimer's disease and that BChE amplifies plaquetoxicity. "These facts suggest," write the researchers, "that inappropriate BChE activityincreases the risk and/or progression of Alzheimer's disease." What else itdoes, however, is ......l receive Frisbees,T-shirts and even little rubber brains to take home....Multitasking Behaviors Mapped To The Prefrontal Cortex
...es changes in blood flow to the brain, to view the brains of volunteerswhile they performed branching tasks. When a particular part of the brain isbeing used, there is an increase in blood flow to that area. The increase inblood flow means that there is an increase in the amount of oxygen-carryinghemoglob...Nerve Cells Live Long And Talkative Lives In Sculpted Colonies On Silicon Chips
...ms may soon serve to elucidatethe process by which brains perform complex functions, including specificpatte...omeday be able toimplant similar chips into living brains as both experimental instruments andeventually as prostheses. The cells come from a part of the brai......n gain more intelligencethan men. "Women's brains appear to be more efficient than men's in the sens...gun, b)cap, c) hill, d) army" and "thoughts are to brains as steam is to: a) water, b)vapor, c) boiling, d) heat." In addition to Ruben and Raquel Gur...Aging alone does not affect brain system related to memory loss
...cent increase in ACh release. The rats with normal brains (no lesions) did not show such a significantdiffer...ctly what pathologies some people may have intheir brains that lead them to develop Alzheimer's disease as they age. Mostlikely, there is some kind of damage ......dotropin-independent sexualprecocity. Though their brains are not yet pulsing out GnRH, their ovaries andtestes begin making steroid hormones anyway. They have disorders such asMcCune-Albright Syndrome, which causes ovarian cysts in young girls, andtestotoxicosis, which causes early masculinization in young...Using spatial illusion to learn how the brain processes sound
...how localization errors made by nerve cells in the brains of catsexposed to filtered sounds are consistent w... If future research confirms that neurons in human brains respond in the same wayas those in the brains of cats, Xu added, it will have immediate applications......on, examined the electrical activity in the teens' brains as they maneuveredthrough virtual mazes. The researchers focused on slow, rhythmic waves ofelectrical activity known as theta oscillations, produced when groups of braincells, or neurons, all fire at once. It has long been recognized that when somebr...NYU researchers uncover the neurobiology of decision-making
...st Proposed 300 Years Agoby Descartes How do the brains of humans and animals make decisions - what direct...thetype advocated by social scientists, within the brains of macaque monkeys. Thesefindings raise the possibility that biological mechanisms which can account...Scientists can now see sense of smell
...aption: Video images of the olfactory bulbs of the brains of ratsexposed to amyl acetate (smells like banana), peanut butter and carvone (smellslike caraway). The dark spots indicate glomeruli that are activated by thesmells and thus convert large amounts of oxyhemoglobin to deoxyhemoglobin, whichabsorbs mo...The latest flight jacket gives pilots a real feel for flying
...ir backs, but have few visualstimuli to help their brains correct the illusion, especially at night. Wrightsays that the tendency is for the pilot to try and bring the aircraft level bypointing it downward. "The worst-case scenario is you could push forward and flyinto the water." The team's answer ...New imaging method in development to show Alzheimer's progression
...ve method to show images of plaque deposits in the brains ofAlzheimer's disease (AD) patients as the disease progresses. Currently, the onlyway to definitively diagnose both the plaque formation and the disease is toexamine the patient's brain after death. The laboratory studies are currently underway with ...Scientists provide first detailed maps of wiring circuitry in the living human brain
...le partly result from differences in the way their brains are wired.Conturo, the lead author, also notes that wiring diagrams could be used to studyhow the recently recognized process of "re-wiring" occurs in brain ailments suchas stroke. Scientists' understanding of the wiring of the human brain h...Penn study shows that head trauma produces Alzheimer's-like neurodegeneration
...d animalsmirrors the plaque-forming process in the brains of Alzheimer's patients. Thisfinding supports previous epidemiological evidence that brain trauma in humansincreases the risk for developing Alzheimer's disease later in life. Theresearchers' work is being published in the September issue of the J...Differences in human brain chemistry may account for different responses to stimulants
...have lowerlevels of dopamine D2 receptors in their brains are more inclined to like theeffects of methylphen... measure dopamine D2receptor, or D2, levels in the brains of 23 men who were not drug abusers. Themen were given methylphenidate and asked to describe its eff...New MicroPET scanner would be second in country
...l enable the research team to seestructures in the brains of nonhuman primates not possible on clinical PETscanners. The reason: the resolution of the MicroPET is 2 millimeters versus 6.5millimeters with clinical PET scanners, roughly like seeing a toothpickcompared to a pencil. He said the MicroPE...Brain chemical mellows male mice, but makes mouse moms tough
...was actuallyhigher." Researchers also analyzed the brains of the mice for citrulline, a chemicalbyproduct created when brain cells make nitric oxide. The number of brain cellsmaking the compound significantly correlated with the aggressiveness of thefemale mouse. In instances where males were aggressive, th...