Tag: "scans" at biology news

Knock knock knocking on rhythm's neural doors

... used functional Magnetic Resonance Imaging (fMRI) scans to test a longstanding question regarding "rhythmic" versus "discrete" movement. "Rhythmic movements like walking, chewing or scratching are found in many organisms, ranging from insects to primates," notes Schaal in an article published in Nature Ne...

Depression traced to overactive brain circuit

...iggered the mood and brain activity changes. Brain scans revealed that a key emotion-processing circuit was overactive only in patients in remission whether or not they had re-experienced symptoms and not in controls. Since the abnormal activity did not reflect mood state, the finding suggests that trypt...

Related productivity tools complement computed tomography in lung cancer detection

...est X-ray and other tests. However in general, CT scans could generate as many as 600 images in a single seating most of which might appear repetitive and can lead to information overload and difficulty in detecting lesions. Under these circumstances, related productivity tools such as computer-aided de...

Skin condition linked to genetics in Caucasian and Chinese populations

...igation. Over the past few years, ten genome-wide scans have been conducted, classifying 19 candidate regi...udy results, encompassing data from six of the ten scans previously mentioned. This study is published in the Journal of Investigative Dermatology. Media w...

Funding to commercialize technologies of UC San Diego engineers tops $1.2 million

...using high resolution computerized tomography (CT) scans and magnetic resonance imaging (MRI) to reconstruct a three-dimensional model of the abdominal aorta, including AAA. A finite-element computer code incorporating non-linear elastic effects and all physiological and mechanical information of the arter...

Microscopy scans show how brain cells process energy

...r's, wreak on brain cells. Multi-photon microscopy scans by Cornell University biophysicists of living brai...) -- Kasischke explained. He compares PET and fMRI scans to pictures from cameras with slow shutter speeds and wide-angle lenses, producing a broad view over...

When blood can't get to brain, special CT scan helps

...e to adopt the life-saving technique. Perfusion CT scans can be made by any modern computed tomography mach...trokes that occur nationally each year. Regular CT scans are a standard exam for patients who arrive in the emergency room with symptoms of a stroke, because...

3-D micro-imaging technology licensed to Carl Zeiss Jena

...or below the plane are not affected. When repeated scans at different focal planes are "stacked" by computer processing, a brilliant, three-dimensional picture emerges. Initially developed at Cornell to enhance basic biological research, multiphoton microscopy is proving to be a marked improvement over ex...

Brain disease research, particle physics meet in the middle (ware)

...re and compare massive data sets such as MRI brain scans or high-resolution electron microscopy images is essential to participants research into Alzheimer's disease, depression, schizophrenia, multiple sclerosis and other disorders. With the participating research labs connected by the Internet2 high-per...

Many physicians misperceive radiation risks to developing fetuses from X-rays and CT scans

...es in early pregnancy from abdominal X-rays and CT scans to be unrealistically high, says a new study from researchers at the Hospital for Sick Children and the University of Toronto in Canada. For the study, the researchers analyzed the results of a survey of 273 family physicians and obstetricians in Ont...

Imaging study shows brain maturing

...ey grew up, for 10 years. After co-registering the scans with each other, using an intricate set brain anatomical landmarks, they visualized the ebb and flow of gray matter neurons and their branch-like extensions in maps that, together, form the movie showing brain maturation from ages 5 to 20. It was ...

Salty scans

...idneys using magnetic resonance imaging (MRI) that scans sodium ions rather than water. Their method takes advantage of a unique feature of kidney function. Kidneys filter the blood and maintain steady levels of materials such as sodium and potassium in the bloodstream. To sustain co...

New proteomics core at OHSU will speed discovery process

...potcutter and sample preparation workstation as he scans computer images of raw sample data collected the day before. "For us, it's absolutely great. If you were to do this manually, you're going to do about 20 a day." The 2DiDx workstation is one of several sophisticated devices occupying nearly every ...

Monitoring macrophages detects dementia

...an University Hospital, have tested the use of PET scans to detect and monitor HIV encephalitis progression...radiolabel uptake and binding, indicating that PET scans can be used to observe progression of the disease in addition to facilitating early detection. The d...

JCI table of contents, 2 April 2004

...an University Hospital, have tested the use of PET scans to detect and monitor HIV encephalitis progression...radiolabel uptake and binding, indicating that PET scans can be used to observe progression of the disease in addition to facilitating early detection. The d...

Surgeons explore new treatment for Tourette syndrome

...'s brain, through MRI (magnetic resonance imaging) scans and 3-D computer images. Their goal was to locate the safest and most direct route to reach the cells inside the thalamus portion of the brain, involved in controlling Jeff's movements. By placing electrodes around those cells to deliver continuous...

Bay area to get unique x-ray microscopy resource

...tudy using XM-1, Larabell and Le Gros performed CT scans of whole, rapidly frozen yeast cells and obtained 3-D reconstructions at a resolution of better than 50 nanometers. "No contrast enhancement reagents were used, the cells were not embedded or sectioned, and collection of the entire data set took les...

Researchers show chronic sinusitis is immune disorder; antifungal medicine effective treatment

... in the trial for six months. Researchers took CT scans (special x-rays of the sinuses) at baseline and at...start of the study, and at 3 and 6 months. The CT scans showed that the treatment group had a mean 8.8 percent decrease in inflammatory mucus thickening, wh...

Early treatment confirmed as key to stroke recovery

.... Patients must have computerized tomography (CT) scans of the brain taken before treatment begins to confirm that the stroke is caused by a clot. Seventy-five percent of patients who were treated within 60 minutes of stroke onset had the best chance of having a complete or partial reopening of the occlu...

Data shows FUZEON does not increase lipodystrophy in pre-treated HIV patients

... DEXA (dual x-ray absorptiometry) body composition scans in a sub-group of patients in the TORO studies, which showed that those in the FUZEON arm (n =65) experienced little to no median changes from baseline in fat redistribution at 48 weeks, compared to patients taking a regimen that did not include FUZE...

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