Tag: "phenomena" at medical news

Study Reveals Prominent Fears Of School-Age Children

... to animals, supernatural phenomena and safety, while the girls tended to fearnatural ... the girls were more afraid of natural phenomena --such as thunder and the dark -- than were the boys (30 vs. 23 ...

Coffee: a cause of neonatal seizures?

...f hypoxia and severecomplications. It is these two phenomena (caffeine and oxygen starvation) that the researchersreproduced on neurons of the hippocampus, a particular brain structure thatappears to be the site of memorization processes. In the presence of caffeine ata concentration equivalent to a few cups o...

Depressed brains get better on placebo!

...gs are consistent with the well-recognized placebo phenomena that 'expectation' that a treatment will be helpful is a critical part of the therapeutic relationship between a patient and their doctor," says Dr. Mayberg, who is also Professor of Neurology and Psychiatry at the University of Toronto. "In addition...

Is government health policy based on evidence or assumption?

...MJ. Steven Cummins and Sally Macintyre examine the phenomena of "factoids" assumptions or speculations reported and repeated so often that they are considered true. Using the widely claimed existence of "food deserts" poor urban areas in the United Kingdom where residents cannot buy affordable, healthy food ...

Brookhaven spotlights: News from the March 2003 American Chemical Society Meeting

... limit for small bridges. Newton suggests that two phenomena might cause this limiting behavior: defects in the molecular conformation of the bridge might decrease the coupling of the acceptor to the electrode, or the self-assembled film which supports the bridge might reorganize itself. "Nanometer-sized molec...

Laser measurements reveal biological basis of distance perception

...nale for this whole set of basic distance judgment phenomena simply falls out of the measured distances that typically exist in the environment," said Purves. "All these peculiar perceptions reflect the probabilistic structure of the environment with respect to the distance from us of the points on object surf...

Physics tip sheet #35

...oplets to form clouds belongs to the same class of phenomena as the separation of alloy components upon ageing; the decomposition of binary mixed fluids; and the formation of bubbles from a supersaturated or superheated solution. In all cases, the growth rate is limited by the surface energy of the droplet. Th...

Solving the mystery of musical harmony

...terature on psychoacoustics, we discovered several phenomena in tone perception that, despite having been investigated for decades, remained unexplained," said Schwartz. "Our general framework is that the way to understand why somebody perceives anything the way they do -- whether the stimulus is light or soun...

Environmental influences found to have role for development and function of the pain system

...y, trauma, or inflammation, likely contributing to phenomena such as hyperalgesia and allodynia, namely exacerbated pain in response to painful stimuli, and pain in response to normally innocuous stimuli, respectively. A symposium at this meeting will summarize recent breakthroughs on the experience-dependent ...

2004 Salivary Research Award to Ekstrom

...ous investigations gave him awareness that all the phenomena occurring could not simply be explained by the con...deep involvement with research on various salivary phenomena over many years has made a great contribution to our understanding of salivary glandular activities,...

Doolittle Award honors UH professor for outstanding research in polymers

...in investigating new nanomaterials and interfacial phenomena combining polymers and inorganic nanoparticles....

How brain gives special resonance to emotional memories

... post traumatic stress disorder -- especially such phenomena as flashbacks of traumatic memories. Said Dolcos, "Also, people who suffer depression ruminate obsessively on negative or unpleasant memories. This problem could reflect a pathology in how their memory systems have processed emotional memories." Thu...

Left and right ears not created equal as newborns process sound, finds UCLA/UA research

...fied vibrations also leak back out to the ear in a phenomena call otoacoustic emission (OAE)," added Sininger. "We measured the OAE by inserting a microphone in the ear canal." In a six-year study, the UCLA/UA team evaluated more than 3,000 newborns for hearing ability before they left the hospital. ...

Smoking affects same 'feel good' brain chemical system as heroin

...d' drugs of abuse, such as heroin and cocaine, the phenomena of pleasure, addiction, increased tolerance and craving from tobacco are firmly rooted in neurochemistry." Adds veteran tobacco researcher and U-M emeritus pharmacology professor Ed Domino, Ph.D., "Nicotine addiction is one of the most destructive fo...

Children's anxiety prior to surgery linked to behavioral changes

...r predict the development of adverse postoperative phenomena in children based on the child's preoperative anxiety," said Zeev Kain, M.D., professor in the Department of Anesthesiology at Yale School of Medicine and principal investigator of the study. Kain and his colleagues found children whose anxiety befo...

Holidays, birthdays and postponement of cancer deaths

... "We believe they are statistical artifacts phenomena that appear when you start data-dredging, testing hypothesis after hypothesis," he says. The study refutes conclusions drawn from earlier studies showing striking changes in death patterns among particular populations. For example, in separa...

US syphilis epidemics not driven by increases in unsafe sex say researchers

...yphilis outbreaks, previously attributed to social phenomena such as the sexual revolution or the gay liberation movement, are actually caused by a loss of immunity among those at risk of infection. Dr Nicholas Grassly, from Imperial College London, based at St Mary's Hospital and one of the researchers said: ...

Migraine-sparked vision loss may increase stroke risk in women; Migraine

.... Migraines are often preceded by aura, a sensory phenomena such as visual or hearing abnormalities. Migraines with visual aura have been associated with ischemic stroke, but researchers say it is not clear whether a particular type of visual disturbance is more closely linked with increased stroke risk. U...

Physicists find patterns within seemingly random events of physiological systems

...ists, findings from this BU group increasingly wed phenomena associated with the inanimate world to those of an... mice, men, and other mammals for such fundamental phenomena as wake periods during slumber. Eugene Stanley, a professor of physics and director of BU's Center f...

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