Tag: "sleep" at biology news
JCI table of contents: October 1, 2002
...iazepines mentioned above decrease anxiety, induce sleep
and even anesthesia. Earlier studies by this group reveal that mice lacking the gene for PKCe have an increased sensitivity to alcohol, benzodiazepines and barbiturates. These observations have now been extended to include a supersensitivity to the ...
Virginia Tech wildlife sciences professor improves sheep counts in Grand Canyon
...f counting sheep into a science, although not as a sleep
aid. To determine population density, lamb production, and survival rates of the Grand Canyon bighorn sheep population, Vaughan spends four weeks a year rafting down the Colorado River taking scientific counts of sheep. Vaughan uses a land-based popu...
UT Southwestern scientist explores caffeine-signaling activity in brain function
...that control sleep. He is currently working on new sleep
studies with other scientists, including Dr. Rober...a and that adenosine can induce sleep. By studying sleep
we may also learn more about drug addiction and other disorders," Bibb said....
Emory School of Medicine teams with deCODE Genetics to study link between genes and disease
...ases such as Parkinson's, Alzheimer's, stroke, and sleep
disorders; to collaborate on diabetes, cardiovascular diseases, psoriasis, and autism; and psychiatric diseases such as bipolar disease, anxiety and depression. ...
U of C researcher tracks path of flying snake
...bout flying snakes, such as their predators, their sleep
habits or how often they glide. There have been no studies that document their movement through the trees, but in general, animals that glide do so to travel more efficiently, to chase prey or to escape a predator....
Does that 'java-jolt' affect coffee and non-coffee drinkers alike?
...s stimulating as black coffee, and just as hard to sleep
after." While theart of conversation may have had its down periods, coffee has remained a renowned stimulant since its first appearance, circa 1,000 A.D. Background The first recorded users of coffee are the Galla tribe in Ethiopia who noticed...
Stanford study finds potential shingles prevention in a childhood vaccine
...n becomes so sensitive that it can be difficult to sleep
and even the lightest clothing or faint breeze becomes painful." Arvin estimates that even for healthy adults the risk of shingles rises each decade after age 60, increasing to one in five for people in their 80s. Researchers tested the effect of an ...
Two genetic suspects are identified in the mystery of why we need to sleep
... it may be possible to prevent the consequences of sleep
deprivation. The work presented in this weeks Natu...urnal, built upon their previous work showing that sleep
in the fruit fly is eerily similar to mammalian sleep, right down to the level of which genes are ac...
UT Southwestern researcher receives $15 million grant from Japan Science and Technology Corp.
...lacking the hormone orexin developed narcolepsy, a sleep
disorder. "Many receptor genes have been discovered by the Human Genome Project. The largest number are olfactory receptors, but there are probably 300 to 400 designed to sense other internal signals," he said. "More than half of these are 'orphan' r...
Spinal cord injury and Alzheimers risk among topics at American Chemical Society meeting
...ring-impaired children and enhanced treatments for sleep
apnea and psychiatric disorders. Cuban scientists and scientists with Cuban connections will discuss topics ranging from chemical education to fostering Cuban-American research partnerships. (Sunday, April 7, 1:30 - 5 p.m., Convention Center, Room 3...
Stanford sleep experts treat medical condition behind violent 'sleep sex'
...rchers have suspected that violent behavior during sleep
is a sleep-related disorder, but they didn't have ...er than quietly passing through the five phases of sleep
- each of which has a classic brain-wave pattern - the patients in the study had unusual patterns du...
Scientist probes fossil oddity: Giant redwoods near North Pole
... months of daylight is like you or I going without sleep
for four months. Through a grant from the Andrew Mellon Foundation, Jahrens research group has made three summer visits to Axel Heilberg, excavating hundreds of fossil metasequoias. The fossils are immaculately well-preserved. Some of this stuff lo...
Study tracks health of rescue dogs, handlers involved in searches at World Trade Center and Pentagon
... have experienced unusually high rates of divorce, sleep
disorders and other trauma-related signs of stress." Hunt will survey the dog handlers at regular intervals through 2004, focusing on emotional and behavioral health outcomes and factors contributing to risk and resilience, including personality trai...
Study to help solve health problems by understanding gene, protein behavior in cells
...so is interested in the daily rhythms that control sleep
and wakefulness. "Theres a molecular basis for our circadian rhythm, and it seriously impairs effectiveness when people cross time zones, do night work, or stay up for long periods of time," Tyson said. "The DOD is interested in improving human per...
Military technologies and increased fishing effort leave no place for fish to hide
... begun targeting the parrotfish at night when they sleep
in shoals in shallow reef lagoons. Spearguns and nightlights are as lethal to bumphead parrotfish today as rifles and railroads were for American Plains bison in the 19th Century, says Birkeland. The unsustainable pursuit of larger and more desirable...
'Night eating syndrome' may be related to the performance of the body -- not the mind
...tisol response that may well explain the disrupted sleep
and appetite pattern observed in night eaters. Sev...increased nocturnal appetite and disruption in the sleep
pattern. This may, to some extent, explain the disturbances in the circadian secretions of melatonin...
The body's production of melatonin may be the reason why the elderly can't get a good night's sleep
...esda, MD (February 2, 2002) Getting a good nights sleep
can become more difficult with age. Survey studies...of older individuals report difficulty maintaining sleep
on a recurring basis and more than one-half report occasional problems with their sleep. The depth ...
Tracing the neural circuitry of second sight
...malfunctions of this machinery might underlie some sleep
disorders. In an article published in the February...ystem itself and how it might malfunction to cause sleep
disorders, said Yau. "Sleep disorders are a major health problem that profoundly impact the lives of...
New research findings offers possible clues for avoiding sudden infant death syndrome (SIDS)
...d States, and 20 percent of US infants continue to sleep
prone. Despite the established increased risk of S...nd supervised. Infants were studied during natural sleep
during a morning or afternoon nap after a feeding. They were placed in a plastic crib. Bedding used ...
Respiratory activation in patients with obstructive sleep apnea syndrome (OSA)
...ccurrence of repetitive hypoxemia in patients with sleep
apnea, researchers set out to investigate the occurrence of LTF in patients with obstructive sleep
apnea/hypopnea syndrome (OSA). A new study tested the hypothesis that episodic hypoxic exposure act...
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