News tagged with wakefulness :
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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Reactivating memories during sleep: Memory rehearsal during sleep can make a big difference in remembering later
Why do some memories last a lifetime while others disappear quickly? A new study suggests that memories rehearsed, during either sleep or waking, can have an impact on memory consolidation and on what is remembered ...
Neuroscience
Apr 12, 2013 |
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Sound stimulation during sleep can enhance memory
Slow oscillations in brain activity, which occur during so-called slow-wave sleep, are critical for retaining memories. Researchers reporting online April 11 in the Cell Press journal Neuron have found that p ...
Neuroscience
Apr 11, 2013 |
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New approach evaluates effect of physical activity on estrogen metabolism in postmenopausal women
Researchers have generated new insights into the ways in which physical activity affects how much estrogen is broken down and secreted in the urine of postmenopausal women. These findings enhance understanding of the potential ...
Cancer
Apr 10, 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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Study indicates reverse impulses clear useless information, prime brain for learning
(Medical Xpress)—When the mind is at rest, the electrical signals by which brain cells communicate appear to travel in reverse, wiping out unimportant information in the process, but sensitizing the cells ...
Neuroscience
Mar 19, 2013 |
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Sleepwalkers sometimes remember what they've done
Three myths about sleepwalking – sleepwalkers have no memory of their actions, sleepwalkers' behaviour is without motivation, and sleepwalking has no daytime impact – are dispelled in a recent study led by Antonio Zadra ...
Neuroscience
Mar 14, 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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Previously unknown sleep pattern revealed in new research
(Medical Xpress)—There's no need to panic if you didn't get a solid eight hours of beauty sleep last night. According to new University of Sydney research, sleep duration naturally waxes and wanes over ...
Health
Jan 29, 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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Baby started to crawl? You might be up more at night
Infants who have started crawling wake up more often at night compared to the period before the crawling, reveals a new study by Dr. Dina Cohen of the University of Haifa's Department of Counseling and Human ...
Pediatrics
Jan 02, 2013 |
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Blink if your brain needs a rest
Why do we spend roughly 10 percent of our waking hours with our eyes closed - blinking far more often than is actually necessary to keep our eyeballs lubricated? Scientists have pried open the answer to this ...
Neuroscience
Dec 28, 2012 |
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Suvorexant drug may offer new approach to treating insomnia
A new drug may bring help for people with insomnia, according to a study published in the November 28, 2012, online issue of Neurology, the medical journal of the American Academy of Neurology.
Neuroscience
Nov 28, 2012 |
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Could poor sleep contribute to symptoms of schizophrenia?
Neuroscientists studying the link between poor sleep and schizophrenia have found that irregular sleep patterns and desynchronised brain activity during sleep could trigger some of the disease's symptoms. The findings, published ...
Neuroscience
Nov 14, 2012 |
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