Vertebrates are predisposed to act to gain rewards, and to lay low to avoid punishment. Try to teach chickens to back away from food in order to obtain it, and you'll fail, as researchers did in 1986. But (some) humans are ...
May 7, 2013
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(Medical Xpress)—Researchers at the University of Bristol have revealed new insight into the function of a key protein attributed to impaired learning and memory in Down's syndrome. The findings, published online in Nature ...
Apr 8, 2013
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Cognitive problems with memory and behavior experienced by individuals with schizophrenia are linked with changes in brain activity; however, it is difficult to test whether these changes are the underlying cause or consequence ...
Mar 20, 2013
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Glial cells – a family of cells found in the human central nervous system and, until recently, considered mere "housekeepers" – now appear to be essential to the unique complexity of the human brain. Scientists reached ...
Mar 7, 2013
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It is possible to tell who a person is thinking about by analyzing images of his or her brain. Our mental models of people produce unique patterns of brain activation, which can be detected using advanced imaging techniques ...
Mar 5, 2013
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Since the mid-1800s, doctors have used drugs to induce general anesthesia in patients undergoing surgery. Despite their widespread use, little is known about how these drugs create such a profound loss of consciousness.
Mar 4, 2013
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(Medical Xpress)—Before examinations and in critical situations, we need to be particularly receptive and capable of learning. However, acute exam stress and stage fright causes learning blockades and reduced memory function. ...
Feb 28, 2013
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(Medical Xpress)—Even with a constant task, human performance fluctuates in time-scales from seconds to minutes in a fractal manner. In a recent study a Finnish research group found that the individual variability in the ...
Feb 12, 2013
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Researchers from Benaroya Research Institute at Virginia Mason (BRI) have found that proteins in the IL-6 signaling pathway may be leveraged as novel biomarkers of multiple sclerosis (MS) to gauge disease activity and as ...
Jan 30, 2013
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Understanding the human brain is one of the greatest scientific quests of all time, but the available methods have been very limited until recently. The development of functional magnetic resonance imaging (fMRI)—a tool ...
Jan 16, 2013
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