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Medicine & Health news 1234

Self-Paced Brain-Computer Interface Gets Closer to Reality

January 15, 2008 | User rating: 4.4 / 5 after 43 vote(s) | User comments: 5

Using the human mind to control computers could lead to a wide range of applications, such as giving people with limited motion the ability to operate machines. However, translating thoughts into actions is ...


Quality of Sleep Determines Where the Brain Stores Memories

December 13, 2007 | User rating: 4.5 / 5 after 81 vote(s) | User comments: 2

As time passes, our memories are transferred to different parts of the brain in order to ideally store our past experiences. While scientists have known that sleep plays an important role in helping consolidate ...


Cancer cells spread by releasing 'bubbles'

April 21, 2008 | User rating: 4.7 / 5 after 39 vote(s) | No comments yet

A new fundamental mechanism of how tumour cells communicate has just been discovered by the team of Dr. Janusz Rak at the Research Institute of the McGill University Health Centre (MUHC) in collaboration with Dr Guha from ...


Working memory has limited 'slots'

April 03, 2008 | User rating: 4.5 / 5 after 51 vote(s) | User comments: 3

A new study by researchers at UC Davis shows how our very short-term "working memory," which allows the brain to stitch together sensory information, operates. The system retains a limited number of high-resolution ...


Study shows that a larger abdomen in midlife increases risk of dementia

March 26, 2008 | User rating: 4 / 5 after 10 vote(s) | No comments yet

People in their 40s with larger stomachs have a higher risk for dementia when they reach their 70s, according to a study published in the March 26, 2008, online issue of Neurology®, the medical journal of the American ...


Physician revolutionizes gene research

March 26, 2008 | User rating: 4.6 / 5 after 27 vote(s) | User comments: 3

A dramatic new study published in the most recent issue of Nature questions some of the mechanisms underlying a new class of drugs based on Nobel Prize-winning work designed to fight diseases ranging from macular degeneration ...


First look: Princeton researchers peek into deepest recesses of human brain

February 27, 2008 | User rating: 4.5 / 5 after 28 vote(s) | No comments yet

A team of scientists from Princeton University has devised a new experimental technique that produces some of the best functional images ever taken of the human brainstem, the most primitive area of the brain.


Researchers create beating heart in laboratory

January 13, 2008 | User rating: 4.9 / 5 after 78 vote(s) | User comments: 8

University of Minnesota researchers have created a beating heart in the laboratory. By using a process called whole organ decellularization, scientists from the University of Minnesota Center for Cardiovascular Repair grew ...


Scientists find key to avian flu in humans

January 06, 2008 | User rating: 4.7 / 5 after 26 vote(s) | User comments: 3

MIT researchers have uncovered a critical difference between flu viruses that infect birds and humans, a discovery that could help scientists monitor the evolution of avian flu strains and aid in the development of vaccines ...


New route for heredity bypasses DNA

January 04, 2008 | User rating: 4.6 / 5 after 51 vote(s) | User comments: 1

A group of scientists in Princeton's Department of Ecology and Evolutionary Biology has uncovered a new biological mechanism that could provide a clearer window into a cell's inner workings.


Researchers uncover key trigger for potent cancer-fighting marine product

January 04, 2008 | User rating: 4.5 / 5 after 31 vote(s) | No comments yet

An unexpected discovery in marine biomedical laboratories at Scripps Institution of Oceanography at UC San Diego has led to new, key information about the fundamental biological processes inside a marine organism ...


Novel mechanism for long-term learning identified by Carnegie Mellon researchers

January 03, 2008 | User rating: 4.4 / 5 after 64 vote(s) | User comments: 1

Practice makes perfect — or at least that’s what we’re told as we struggle through endless rounds of multiplication tables, goal kicks and piano scales — and it seems, based on the personal experience of many, to be true. ...


Daily alcohol use causes changes in sexual behavior, new study reveals

January 02, 2008 | User rating: 3.3 / 5 after 34 vote(s) | No comments yet

A team of researchers at Penn Sate has used an animal model to reveal, for the first time, a physiological basis for the effect of alcohol on male sexual behavior, including increased sexual arousal and decreased ...


Winemaking waste proves effective against disease-causing bacteria in early studies

January 02, 2008 | User rating: 4.7 / 5 after 18 vote(s) | User comments: 1

Potential source of next-generation drugs against oral disease: Pinot noir
A class of chemicals in red wine grapes may significantly reduce the ability of bacteria to cause cavities, according to a study published ...


Humans appear hardwired to learn by 'over-imitation'

December 05, 2007 | User rating: 4.6 / 5 after 37 vote(s) | User comments: 3

Children learn by imitating adults—so much so that they will rethink how an object works if they observe an adult taking unnecessary steps when using that object, according to a Yale study today in Proceedings ...


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