Rats' and bats' brains work differently on the move
A new study of brain rhythms in bats and rats challenges a widely used model - based on studies in rodents - of how animals navigate their environment. To get a clearer picture of the processes at work in ...
Neuroscience
Apr 18, 2013 |
5 / 5 (1) |
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Resetting addicted brain: Laser light zaps away cocaine addiction
By stimulating one part of the brain with laser light, researchers at the National Institutes of Health (NIH) and the Ernest Gallo Clinic and Research Center at UC San Francisco (UCSF) have shown that they ...
Neuroscience
Apr 03, 2013 |
5 / 5 (11) |
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Using precisely-targeted lasers, researchers manipulate neurons in worms' brains, take control of their behavior
In the quest to understand how the brain turns sensory input into behavior, Harvard scientists have crossed a major threshold. Using precisely-targeted lasers, researchers have been able to take over an animal's ...
Neuroscience
Sep 24, 2012 |
5 / 5 (8) |
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Mathematics or memory? Posterior medial cortex study charts collision course in brain
You already know it's hard to balance your checkbook while simultaneously reflecting on your past. Now, investigators at the Stanford University School of Medicine—having done the equivalent of wire-tapping ...
Neuroscience
Sep 03, 2012 |
4.9 / 5 (8) |
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Optimal evidence accumulation in decision-making
(Medical Xpress)—At the same settings and light conditions, a camera will take the same picture every time. In contrast, a brain does not make perfect reconstructions of a stimulus. It appears instead to ...
Neuroscience
Apr 08, 2013 |
5 / 5 (6) |
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Researchers use magnetic pulses to brain to reduce overly optimistic tendencies
(Medical Xpress)—Scientists have known for many years that human beings, as a general rule, are an overly optimistic bunch. We close our eyes to statistics suggesting our eating habits may be killing us, ...
Neuroscience
Sep 25, 2012 |
4.3 / 5 (3) |
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Math ability requires crosstalk in the brain
A new study by researchers at UT Dallas' Center for Vital Longevity, Duke University, and the University of Michigan has found that the strength of communication between the left and right hemispheres of ...
Neuroscience
Aug 29, 2012 |
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Experiment shows visual cortex in women quiets when viewing porn
(Medical Xpress) -- Researchers from the University of Groningen Medical Centre in the Netherlands have found that for women at least, watching pornographic videos tends to quiet the part of the brain most heavily involved ...
Neuroscience
Apr 20, 2012 |
4.5 / 5 (19) |
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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
Mar 19, 2013 |
4.9 / 5 (9) |
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Researchers find certain kind of brain damage can cause people to be more reckless with investments
(Medical Xpress)—A team of researchers from several universities in Europe has found that human test subjects with a damaged portion of their brain were likely to invest more money in a risky trustee than ...
Neuroscience
Jan 22, 2013 |
5 / 5 (2) |
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Congenitally absent optic chiasm: Making sense of visual pathways
(Medical Xpress)—One way to increase our understanding of bilateral brains, like our own, is to inspect their paired sensory systems. In our visual system, the optic nerves normally combine at a place called ...
Neuroscience
Apr 15, 2013 |
5 / 5 (2) |
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Origin of intelligence, mental illness linked to ancient genetic accident
Scientists have discovered for the first time how humans – and other mammals – have evolved to have intelligence.
Neuroscience
Dec 02, 2012 |
3.8 / 5 (33) |
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Going places: Rat brain 'GPS' maps routes to rewards
While studying rats' ability to navigate familiar territory, Johns Hopkins scientists found that one particular brain structure uses remembered spatial information to imagine routes the rats then follow. ...
Neuroscience
Apr 17, 2013 |
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Separate lives: Neuronal and organismal lifespans decoupled
(Medical Xpress)—Replicative aging (also known as replicative senescence) causes mammalian cells to undergo a process of growth arrest dependent on telomeres (the shortening of repeated sequences at the ends o ...
Neuroscience
Mar 27, 2013 |
4.9 / 5 (8) |
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Research shows brain more flexible, trainable than previously thought
Opening the door to the development of thought-controlled prosthetic devices to help people with spinal cord injuries, amputations and other impairments, neuroscientists at the University of California, Berkeley, ...
Neuroscience
Mar 04, 2012 |
4.6 / 5 (17) |
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