Neurotransmitter-Induced Electrical Activity Identified As Key Regulator Of Synaptogenesis
... of this peripheral membrane protein then act as a diffusion trap for additional glycine receptor polypeptides. This passive mechanism concentrates the receptors at the developing postsynaptic site. In the forties, Donald Hebb postulated that the coincident activity of ...Chemical engineers suggest Alzheimer's onset tied To cholesterol, brain chemicals
...ed a well-known chemical engineering test called a diffusion study to understand how this process works. They also used analytical techniques such as image analysis and Mathematical modeling of molecules -- techniques more familiar to chemical engineers than biochemists or molecular biologists -- to carry out ...Medieval black death not bubonic plague
...from England to reconstruct the virulence, spacial diffusion and temporal dynamics of the Black Death. They are looking especially closely at bishops records of the replacement of priests in several English dioceses. Although these records are often incomplete and difficult to interpret, they clearly show th...Helium imaging detects emphysema changes in smallest airways of lung
...ays of the lung. The technique, known as helium-3 diffusion magnetic resonance imaging (3He diffusion MRI) is more sensitive than computed tomography (CT) or any other imaging method currently available...For healthy diet, learning level counts more than earning level
...d with higher disease risk. "It may be caused by a diffusion of knowledge, skills, attitudes and beliefs that occur while individuals are participating in the educational system," he says. Better-educated people may get better nutritional information or are more likely to act on it than those with less schooli...Physics and medicine in San Diego
... a new magnetic resonance imaging technique called diffusion tensor tractography allows medical physicists to obtain for the first time images of these pathways by studying the way in which water moves in the brain. The white-matter pathways of the brain can be highlighted because water can move more freely al...Microneedles: Report describes progress in new technology for painless drug delivery
...ontinuously carry drugs into the body using simple diffusion or a pump system; Hollow microneedles could be used to remove fluid from the body for analysis such as blood glucose measurements and to then supply microliter volumes of insulin or other drug as required; Microneedles may prove useful for imm...Faulty wiring in the brain may cause early-onset schizophrenia
CHICAGO Using diffusion tensor imaging (DTI) to look into the brains of children with schizophrenia, researchers have discovered abnormalities in the white matter of the frontal lobe that disrupt the transmission of signals regulating behavior, according to a study presente...Trials on hormone therapy and hypertension treatment change practice, medication usage of patients
... however, suggests slow and potentially incomplete diffusion of information from this clinical trial. Combined with past work that questions the potency of clinical trial results on physician practice, our analysis suggests the need for additional strategies to augment the dissemination of results from clinica...MRI superior to ultrasound in predicting cerebral palsy in preterm infants
...ound is not predictive of cerebral palsy, MRI with diffusion tensor imaging should be performed. Pat Barnes, MD... need for MRI. If conventional MRI is needed, then diffusion tensor imaging is done at that time and would be important to do especially if the conventional MRI ...New technologies shed light on schizophrenia
...iety of magnetic resonance imaging (MRI) is called diffusion tensor imaging (DTI). Using DTI on patients with schizophrenia, neuropsychologists have related smaller sizes in two distinct webs of brain fibers to two distinct types of cognitive malfunction. The findings appear in the October issue of Neuropsych...Novel imaging technique shows abnormal brain anatomy in children with ADHD
...their behavior or focusing their attention. Using diffusion tensor imaging (DTI) to compare 18 children with diagnosed ADHD with 15 control children to evaluate the brain's white-matter fiber development, Dr. Ashtari's team found differences in the brain fiber pathways that transmit and receive information am...... article. "It is theoretically possible to combine diffusion tensor imaging with functional MRI so as to reveal the connectivity of brain areas with identified specializations," said Mesulam. "This method can be applied anywhere in the brain. Revealing the connections of the human brain will constitute the nex...