News tagged with wake cycles
Researcher examines behavior of genes to understand breast cancer risks, other health issues
Most often, people associate circadian rhythms with the symptoms of jet lag that occur after crossing several time zones. Circadian rhythms, which get their cues from light and darkness, can change sleep-wake ...
Medical research
Apr 30, 2013 |
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Breakthrough in neuroscience could help re-wire appetite control
(Medical Xpress)—Researchers at the University of East Anglia (UEA) have made a discovery in neuroscience that could offer a long-lasting solution to eating disorders such as obesity.
Neuroscience
Apr 05, 2013 |
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Cell death in retina helps tune our internal clocks
(Medical Xpress)—With every sunrise and sunset, our eyes make note of the light as it waxes and wanes, a process that is critical to aligning our circadian rhythms to match the solar day so we are alert during the day and ...
Neuroscience
Mar 05, 2013 |
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Neurotransmitter serotonin shown to link sleep–wake cycles with the body's natural 24-hour cycle
Almost all animals have a hard-wired 'body-clock' that controls biological function in cycles of approximately 24 hours. This is known as the circadian rhythm and, in mammals, it is controlled by signaling ...
Neuroscience
Feb 22, 2013 |
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After hospital discharge, other ills may land seniors back in again
(HealthDay)—The days and weeks after hospital discharge are a vulnerable time for people, with one in five older Americans readmitted within a month—often for symptoms unrelated to the original illness.
Health
Jan 09, 2013 |
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Probing sleep's drowsy mystery: Researchers stay up nights trying to understand rhythms, effects
It is one of the ironies of sleep research that scientists stay up all night to do it.
Health
Nov 05, 2012 |
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Energy levels link sleep control mechanisms
Sleep, or lack of it, can determine level of cognitive performance which is linked with accidents as well as increased risk of serious health problems. Links between cell energy levels, gene transcription ...
Medical research
May 25, 2012 |
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Sundown syndrome-like symptoms in fruit flies may be due to high dopamine levels
Perelman School of Medicine at the University of Pennsylvania researchers have discovered a mechanism involving the neurotransmitter dopamine that switches fruit fly behavior from being active during the day ...
Genetics
May 14, 2012 |
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Brain cell changes may cause sleep troubles in aging
Older animals show cellular changes in the brain "clock" that sets sleep and wakeful periods, according to new research in the April 25 issue of The Journal of Neuroscience. The findings may help explain why elderly people ...
Neuroscience
Apr 24, 2012 |
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Circadian clock may impact organ transplant success
Health care providers assess blood and tissue type as well as organ size and health to enhance transplant success. New research indicates that checklist might also need to include the circadian clock.
Medical research
Oct 04, 2011 |
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Failure of brain's clock could play role in causing neuropsychiatric disorders
(Medical Xpress) -- Neuropsychiatric disorders are the second largest cause of morbidity and premature mortality worldwide. The scientific community has widely accepted that people who battle neuropsychiatric disorders such ...
Psychology & Psychiatry
Sep 21, 2011 |
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Retinal cells thoughts to be the same are not: study
The old adage "Looks can be deceiving" certainly rings true when it comes to people. But it is also accurate when describing special light-sensing cells in the eye, according to a Johns Hopkins University biologist.
Medical research
Jul 25, 2011 |
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Evolutionary conservation of fat metabolism pathways
By virtue of having survived, all animals-from flies to man-share a common expertise. All can distinguish times of plenty from famine and adjust their metabolism or behavior accordingly. Failure to do so signals ...
Medical research
May 12, 2011 |
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