Tag: "sleep" at biology news
Statement on discovery of the gene for narcolepsy in dogs
...cularimportance and significance for the fields of sleep
and neurology and forpatients with sleep
disorders. Dr. Mignot's study, funded by the National Institutes of Health andpublished in ...
Researchers find missing spring in circadian clock of mammals
...ll 24hours asleep. However, science has shown that sleep
and waking are controllednot only by our schedules, but also by our genes. Humans, like all organisms -including other animals, plants, bacteria, and molds - have an internalbiological clock that drives them to be active during certain phases of a24-...
SIDS prevention tactic leads to epidemic of 'misshapen head' in infants
...he admonition to placebabies on their backs during sleep
has resulted in an epidemic of plagiocephaly,or "m...ificant asymmetry of the head shape. "When infants sleep
in one position, there is consistent pressure on their softand forming skull, which can result in de...
A sharper look at the brain
...nal methods and makes itunnecessary to put them to sleep
after the experiment. The improved method made it possible to visualize brain volumes as small as 0.5microliters in anesthetized monkeys and 2 microliters in a control group ofalert monkeys. (One microliter is one millionth of a liter.) This is the h...
Revealing the complex patterns of cardiac disease
...tems, such as the breathing patterns ofpeople with sleep
apnea. Further information can be found at http://polymer.bu.edu/~amaral/Heart.html ....
Melatonin: More Than You Bargain For?
...tonin is produced naturally by the body to control sleep
cycles, but isneeded in only very low concentrations. It is sold as a sleeping aid and as anantioxidant. However, chemists William A. Pryor and Giuseppe L. Squadrito ofthe university's Biodynamics Institute say that the antioxidant properties ofmel...
Researchers Discover Mechanism That Drives Daily Body Rhythms
...body temperature, blood pressure, hormones and the sleep
-- wakecycle. The findings appear in the January 8...Understanding the clock may allow us to manipulate sleep
or at least tounderstand abnormalities of sleep
in patients based on aberration of theircentral cloc...
At Night, Birds May Review The Songs They Learn During The Day
...ning. Researchers have shown that whileyoung birds sleep
at night, they may be reviewing the songs they've ...served an increase in neurological activity during sleep
in aregion of the zebra finch brain, called the robustus archistratalis (RA), whichis involved in si...
Severe Pain Following Shingles Safely Relieved In Clinical Trial Of Anti-Convulsant Drug Gabapentin
...a matchingplacebo on their pain, mood and level of sleep
interference. Adverse sideeffects were also monitored. On a self-reporting ten-point "pain scale,"patients treated with gabapentin reported an average drop in pain of about onethird -- 6.3 to 4.2 points, while the patients treated with placebo noted ...
Alcohol Consumption, Resistance To Its Effects Related To Levels Of Neurotransmitter, Say UW Researchers
...ice, they woke up morequickly from alcohol-induced sleep
than the animals with standard levels of theneurotransmitter. The case was just the opposite with mice with high brainlevels of NPY. Even though they drank significantly less alcohol, they took alot longer to wake up after drinking ethanol than norm...
Women's Shame Stalls Abuse Disclosure To Physicians
...prescription medicationsfor depression, anxiety or sleep
disturbances benefitted from them, many fearedaddiction or decreased alertness in the presence of an abusive partner. The fact that all of the women were in group therapy, however, mighthave introduced bias in the study, McCauley says. "Mor...
Clockwork Clues Determined
... linked to seasonal affective disorder and various sleep
and mental disorders. DMS Researchers, Jay Dunlap, Ph.D., professor of biochemistry, Jennifer Loros, Ph.D., associate professor of biochemistry and postdoctoral fellows Yi Liu and Martha Merrow have demonstrated that temperature may be even more in...
Understanding The Mystery Of Anesthesia
...ion medicine."Also,anesthesia is not like ordinary sleep
or other types of unconsciousness,Eckenhoff notes, raising questions about the nature of consciousness itself thatmight be illuminated by the studies. "Once we better understand howunconsciousness works, chances are we'll have new insight into how co...
Research Shows That If One Identical Twin Is Prey To Nightmares, Often The Other
... the researchers reported last week at ameeting on sleep
research in New Orleans. "We don't know if it's causative orco-occurring," says Hublin. Author: Alison Motluk PLEASE MENTION NEW SCIENTIST AS THE SOURCE OF THIS ARTICLE....
Researchers Show Mechanism And Similarities Of Biological Clocks
... the day") clocks regulate daily activitiessuch as sleep
and wakefulness. Difficulty in readjusting our clo... and shift work problems, as well as some types of sleep
disorders. The clockmay also explain why heart attacks occur more often in the morning and asthmafla...
Scientists Discover Proteins Which Help Set The Body's Clock
...light, they still wake up in the morning and go to sleep
at night thesame as the sighted. Dr. Sancar believes this happens because of the presence ofCRY 1 and 2, both in their retinas, and in other cells elsewhere in the body.For example, he said, because CRY1 and 2 were found in the skin, they could behel...
High-Altitude Cerebral Edema Likely Caused By Leaks In Blood-Brain Barrier
...also is associated with obstructive lung diseases, sleep
apnea and other disorders. Krasney's research using sheep has shown that the symptoms of high-altitude cerebral edema are not caused by an inadequate supply of oxygen or glucose to the brain. Rather, it appears that an accumulation of malfuncti...
Bears Cubed: Virginia Tech Studies Three Bears, And Three Bears, And Three More Bears
...sia into the mother's leg muscle to put the sow to sleep
beforeentering the cage-den. Each mother has her o...ure drop only slightly. And they are not in a deep sleep
-- they can beup instantly. Rule number one when trekking in the wilderness: never come between a so...
Mathematics Reveals New Pattern Of Brain Cell Activity
...7;One of our main motivations for studying this is sleep
rhythms,explained Terman. As someone first drifts off to sleep, the networkof neurons in their brain isnt very synchronized. It breaks up intodifferent groups, each firing in a different pattern. But as the personfalls deeper int...
New Research Suggests REM Is About Eyes Not Dreams
... humor hypothesis" could explain whyperiods of REM sleep
initially last about 20 minutes but become progres... is quite possible," states Dr. Maurice, "that REM sleep
evolved withthe primary purpose of protecting the cornea." And what of our dreams? Dr.Maurice does n...
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