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Tag: "deprivation" at biology news

Chronic jet-lag conditions hasten death in aged mice

...ortality is not yet clear, but could involve sleep deprivation or immune-system disruption. The body's physiological reaction to time change may be complex. Past research has indicated that circadian clocks govern physiological rhythms in a great variety of tissues in the body, and that different aspects of t...

It's in your head: The brain's own globin defends you from shock and stroke

...obin is involved in the brain's response to oxygen deprivation and plays a protective role against brain damage. Structurally similar to hemoglobin (blood) and myoglobin (skeletal muscle), neuroglobin is found in neurons and is most prevalent in areas of the brain that have adapted to physiological stress, such ...

Carnegie Mellon University research shows how sensory-deprived brain compensates

...esults should help shape future studies of sensory deprivation that results from stroke or traumatic brain injury, say the authors. "Our findings are the first to show this degree of brain adaptability in a setting with significantly limited sensory input," said Alison Barth, assistant professor of biologic...

Insomnia drug can improve brain function

... woman who developed akinetic mutism due to oxygen deprivation to her brain following an attempted suicide by han..., but that the lesions that occurred due to oxygen deprivation may have been too severe to allow spontaneous speech. They conclude that single patient trials can b...

Shedding new light on proteorhodopsin

...ar energy source. This ability to withstand oxygen deprivation probably explains why so many ocean bacteria express proteorhodopsin." Liphardt said that the solar power option represents a potentially significant boost for efforts to develop alternatives to fossil fuel energy sources. Microbes that can simult...

How appetite-stimulating brain cells work overtime during fasting

...y demonstrated that hypothalamic responses to food deprivation involve at least three hormones, two cell types, and an unexpected interlocutor, uncoupling protein 2." ...

College students who pull 'all-nighters' and get no sleep more likely to have a lower GPA

...cate that the use of a single night of total sleep deprivation is not an effective practice for achieving academic goals," said Pamela Thacher, PhD, of St. Lawrence University in Canton, New York, who authored the study. The findings are based on interviews with 111 students at St. Lawrence University. The...

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