Navigation Links

Tag: "sleepiness" at biology news

Longer treatment benefits sleep apnea patients

...ted for daytime symptoms such as excessive daytime sleepiness using two widely accepted assessment tools, and fo...night. The researchers found that although daytime sleepiness could be improved after 4 hours to 6 hours a night, depending on the measurement used, functional st...

Individual differences in a clock gene predict decline of performance during sleep deprivation

...stay awake, during which many accidents related to sleepiness occur. But the scientists also emphasize that the new research was conducted in the laboratory, and whether forms of the PERIOD3 gene also predict individual differences in the tolerance to night-shift work remains to be demonstrated. An additiona...

Insomnia drug can improve brain function

...d to give her up to three tablets each day without sleepiness as 'side effect,'" the authors state. The researchers systematically assessed the effect of zolpidem on motor and cognitive function and explored its effect on brain activity using positron emission tomography (PET) scans. They administered motor...

Sleep disturbances affect classroom performance

...every night, a hard time waking up in the morning, sleepiness during the day, and falling asleep in class. "While a series of previously-conducted studies all found that adolescents reporting inadequate sleep, irregular sleep patterns, and/or poor sleep quality do not perform as well in school as students wi...

Negative effects of caffeine are stronger on daytime sleep than on nocturnal sleep

...ces of caffeine during the nighttime to counteract sleepiness generated by sleep deprivation, jet lag, and shift-work. However, this habit may have important effects when you then try to recuperate during daytime." Thirty-four moderate caffeine consumers participated in both caffeine (200 mg) and placebo (lac...

Need to pull an all-nighter?

... for the development of drugs to prevent excessive sleepiness or to promote sleep," says study co-author Paul Rosenberg, MD, PhD, a researcher in the Neurobiology Program at Children's Hospital Boston, and a physician in the Center for Pediatric Sleep Disorders at Children's and in the Sleep Disorders Center at...

First biomarker for human sleepiness identified in fruit flies

...ients with sleep disorders." According to Shaw, sleepiness biomarkers will also prove useful to studies of sleep in animals. "Cetaceans like killer whales, for example, are known to go for extended periods of time without sleep, and we'd like to know more about how that works and whether they incur sleep ...

Brain-mapping technique aids understanding of sleep, wakefulness

...uncontrollably fall asleep, have excessive daytime sleepiness and experience sudden muscle weakness called cataplexy. Because orexin-producing neurons play such a key role in regulating sleep, determining how they are connected to other neurons in the brain is an important step toward understanding how and why...

1

Other Tags
(Date:4/17/2014)... stem cell therapies to cure a variety of diseases ... based on cell surface markers. Researchers from the Finnish ... highly expressed in a type of stem cells derived ... an article in BioResearch Open Access , a ... article is available free on the BioResearch ...
(Date:4/17/2014)... developed at Sandia National Laboratories and recently licensed to ... cheaper. , Bacillus anthracis , the bacteria ... over the world and can cause serious, and often ... can survive in harsh conditions for decades. In humans, ... skin contact, inhalation of spores or eating contaminated meat. ...
(Date:4/17/2014)... produce hydrogen sulfide in order to properly multiply and ... the Center for Craniofacial Molecular Biology at the Herman ... Shi, principal investigator on the project, said the presence ... flow of calcium ions. The essential ions activate a ... the creation of new bone tissue, and keeps the ...
Breaking Biology News(10 mins):Pocket-sized anthrax detector aids global agriculture 2Pocket-sized anthrax detector aids global agriculture 3
(Date:4/18/2014)... researchers have been awarded two-year grants for their work ... month. Of the 110 initial submissions to the new ... only four projects were funded, three of which are ... M.D., Ph.D.; G. William Wong, Ph.D.; and Elias Zambidis, ... oncology, will use his $500,000 proof of principle grant ...
(Date:4/18/2014)... Fraser University psychologists have made a brain-related discovery ... attention-deficit disorders. , This discovery opens up the ... or suppress a specific brain activity that the ... , The Journal of Neuroscience has ... John McDonald, an associate professor of psychology and ...
(Date:4/18/2014)... by Northwestern Medicine scientists could lead to potential new ... people with scleroderma. , Fibrosis, or scarring, is ... the skin and lungs can lead to serious organ ... for new therapeutic options centers on findings made by ... identified the role that a specific protein plays in ...
(Date:4/17/2014)... Scientists have identified the first genetic variant specifically ... sub-type accounting for around 10-15 per cent of ... study of the breast cancer sub-type, called invasive ... genetic causes of this particular kind of breast ... The research, published today (Thursday) in the journal ...
(Date:4/17/2014)... study published today in PLOS Pathogens , children ... is common can mount an immune response to infection ... repeated bouts of high fever and illness and partially ... The findings may help researchers develop future interventions that ... parasite. , Each year, approximately 200 million cases of ...
Breaking Medicine News(10 mins):Health News:Scientists discover brain's anti-distraction system 2Health News:New clues on tissue scarring in scleroderma 2Health News:First genetic link discovered to difficult-to-diagnose breast cancer sub-type 2Health News:First genetic link discovered to difficult-to-diagnose breast cancer sub-type 3Health News:Study sheds light on how the immune system protects children from malaria 2
Other Contents