News tagged with wake cycles

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 | 5 / 5 (2) | 0

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 | 5 / 5 (2) | 0 |

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 | 5 / 5 (1) | 0 |

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 | 5 / 5 (1) | 0 |

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 | 4 / 5 (1) | 0 |

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 | 4 / 5 (1) | 0 |