What Makes Tics Tick? Clues Found In Tourette Twins' Caudates
...le-photon emission computed tomography) scanner to image dopamine binding in five identical twin pairs with the disorder. In each case, the differences were observed in the head of the caudate nucleus, but not in the adjacent putamen, suggesting that D2 caudate binding accounted for almost all of the sy...Fertilization Protein Structure To AID in Leukemia Treatment
...nd scattering x-rays off them, a three-dimensional image has been reconstructed. The image reveals that two of the molecules combine together to create a hole, or molecular cavity, between th...UW, Siemens Unveil New Panoramic Ultrasound Imaging Application Using Programmable Technology
...ity of Washington. Thebreakthrough, a programmable image processor, adds the power of asupercomputer to an ... more quickly and costeffectively. The ultrasound image processor, jointly developed by the UWImage Computing Systems Laboratory and by Siemens Ultrasound G...... it can make images more rapidly. As a result, the image acquisition rate has risen from one frame every two minutes to one per second. The addition of a three-camera array allows doctors to follow the precise position of the radio-frequency probe in three-dimensional space. "We can track the exac...Ultrasound Detects Pathology In Patients With Whiplash
...h as surgical hardware, which can severely degrade image qualitywith conventional MRI and CT studies of the spine. In a separate presentation, the investigators will report on the ultrasoundobservation of muscular fasciculation. This may be of use in evaluation ofneuromuscular disorders. Ultrasoun...Jefferson Researcher Finds New Digital X-Ray Technology May Cut Costs And Improve Patient Care
...diography because of its functionality and high image quality. Film-based systems, however, can be... electronic signals that form a precise digital image on a video screen, said Dr. Shaber. These images can be duplicated and transmitted electronically...Mammography Messages Need To Be Tailored For Older Women
...t ispressed between two plates to get a good X-ray image of breasttissue. This pressure often causes a feeling of tightness andmay cause discomfort. Skinner notes that any uneasiness will beshort-lived, however. "A mammogram takes only a few seconds,and it can reveal breast cancer before it becomes a serio...X-ray Microscope Designed To Study Jet Engine Components Now Probes Tooth Dentin
...unique in its ability to provide a high resolution image in anyenvironment, including wet or acid solutions. As a result, the UCSF researcherswere the among the first to describe why the polymer bonding process works bestwhen the dentin remains moist. In the bonding process the liquid fillingpenetrates m...Tighter Chemical Binding = Better Meds
...ublicAffairs upon request. The computer-generated image was produced by X-raycrystallography. Call (203) 432-1326....Optical Technology Projects Images Directly Into The Eye
...) and from Philips. The RSD technique produces an image by using a spot of light to draw a series of lines under one another extremely rapidly. Theintensity of the light varies according to its position along the line. The process takes place so quickly that the eye perceives thepattern of light as a cohe...Is Ritalin As Effective--And As Harmless--As It Could Be?
... that itcomes in two molecular forms, one a mirror image of the other (enantiomers).Currently Ritalin, which topped $350 million in sales last year, said Ding, isdistributed as a "racemic" mixture of both its chiral molecules -- d-threo andl-threo. However, some evidence has suggested that the dru...Filmless System Puts X-Ray Images On The Web
...ations and diagnoses. As soon as an X-ray or other image istaken, it is available on the system. Radiologi...ecure access code. Instead of printing an image to film, computed radiography reads X-ray platesand composes a matrix image. The computer transmits ...Study Captures Images Of Memories Being Formed Within The Human Brain
...s capitalized on the speed of fMRI tocollect brain image data from "individual trials," pioneering a research methodnow known as "event-related" neuroimaging. Images that took about one minute tocapture using PET technology can now be captured by fMRI for events as brief as30 milliseconds. "The spl...Neurotransmission Machinery Visualized For The First Time
The classic image of communication between brain cells shows a neurotransmittercrossing the synapse and binding to receptors on the surface of a neighboringneuron. Yet, scientists have had only a murky picture of the events within thesecreting neuron that trigger the ......ves. Women with the disease often have a distorted image of their bodies, changes inbrain chemistry and psychiatric symptoms such as depression, anxiety,obsessive-compulsive disorder and alcohol or other substance abuse. Thoughresearchers know the symptoms and effects of bulimia, the exact causes of thedi...Clinical Trials Announced Using Non-Invasive Innovative MRI To Diagnose Breast Tumors
... arm. Interested in a related graphic? A 300 ppi image is available for downloading at http://www.weizmann-usa.org/degani.htm...Differences In Brain Function Found For Attention Deficit Disorder
...magnetic resonance imaging device, which wasset to image front portions of the brain, including the frontal-lobe cortex andthe striatal structures below it. The boys, 10 of whom had been diagnosed withADD and 6 of whom had not, were instructed to press a button when they saw anyletter of the alphabet excep...Radically New Type Of Surgery Tested On First Patient
... Dacey at the computer console of the MSS Computer image showing a path to the patient's tumor Dr. Dacey in front of the MSS The three inventors of the MSS Magnetic Surgery Backgrounder How is the small magnet guided through the brain? The MSS generates a magnetic field whose contours are deter...Visual Environment Can Affect Even Healthy Eyes --- Nature Works With Nuture For Good Vision
...ight is bent or refracted. With normal vision, the image of a distant target comes into focus on the surfac...ack of the eye. In a myopic (nearsighted) eye, the image comes into focus at a point before the retina because the eye has grown too long. In a hyperopic (f......ost personalized care, hospital ad recall,and best image and reputation. The award was given by National Re...ost personalized care, hospital adrecall, and best image and reputation. "The Los Angeles market has a number ofoutstanding facilities, but clearly in the co...