News tagged with wakefulness

Related topics: sleep




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 created Mar 19, 2013 | popularity 4.9 / 5 (9) | comments 2 | with audio podcast

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 created Dec 28, 2012 | popularity 4.7 / 5 (23) | comments 13

Research links circadian rhythms to sudden cardiac death

A fundamental discovery reported in the March 1st issue of the journal Nature, uncovers the first molecular evidence linking the body's natural circadian rhythms to sudden cardiac death (SCD). Ventricular arrhythmias, or abn ...

Cardiology created Feb 22, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

If you don't snooze, do you lose? Wake-sleep patterns affect brain synapses

An ongoing lack of sleep during adolescence could lead to more than dragging, foggy teens, a University of Wisconsin-Madison study suggests.

Neuroscience created Oct 09, 2011 | popularity 4.6 / 5 (8) | comments 0 | with audio podcast

Interrupted sleep impairs memory in mice

With the novel use of a technique that uses light to control brain cells, Stanford University researchers have shown that fragmented sleep causes memory impairment in mice.

Sleep apnea created Jul 25, 2011 | popularity not rated yet | comments 1 | with audio podcast

Brain regions can take short naps during wakefulness, leading to errors

If you've ever lost your keys or stuck the milk in the cupboard and the cereal in the refrigerator, you may have been the victim of a tired brain region that was taking a quick nap.

Neuroscience created Apr 27, 2011 | popularity 4.9 / 5 (15) | comments 5 | with audio podcast

New sleeping pill poised to hit US markets

An experimental sleeping pill from US drug company Merck is effective at helping people fall and stay asleep, according to reviewers at the US Food and Drug Administration, which could soon approve the new drug.

Medications created May 21, 2013 | popularity 4.2 / 5 (5) | comments 0

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 created Apr 12, 2013 | popularity 5 / 5 (7) | comments 0 | with audio podcast

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 created Apr 11, 2013 | popularity 4.6 / 5 (5) | comments 0 | with audio podcast

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 created Apr 05, 2013 | popularity 5 / 5 (2) | comments 0 | with audio podcast

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 created Mar 05, 2013 | popularity 5 / 5 (1) | comments 0 | with audio podcast

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 created Jan 29, 2013 | popularity 4.5 / 5 (6) | comments 6 | with audio podcast

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 created Nov 28, 2012 | popularity not rated yet | comments 0 | with audio podcast

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 created Nov 14, 2012 | popularity not rated yet | comments 0 | with audio podcast

The seat of meta-consciousness in the brain

Studies of lucid dreamers visualize which centers of the brain become active when we become aware of ourselves.

Neuroscience created Jul 27, 2012 | popularity 4.7 / 5 (14) | comments 12 | with audio podcast