The brain on drugs: Defining the neural anatomy and physiology of morphine on dopamine neurons
(Medical Xpress) -- Morphine's analgesic properties are as potent as its addictive potential are problematic. The neural pathway for that addiction is typically associated with dopamine (DA) neurons of the ...
Neuroscience
Oct 04, 2011 |
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Early stress may sensitize girls' brains for later anxiety
High levels of family stress in infancy are linked to differences in everyday brain function and anxiety in teenage girls, according to new results of a long-running population study by University of Wisconsin-Madison scientists.
Neuroscience
Nov 11, 2012 |
4.5 / 5 (4) |
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Highways of the brain: High-cost and high-capacity
A new study proposes a communication routing strategy for the brain that mimics the American highway system, with the bulk of the traffic leaving the local and feeder neural pathways to spend as much time ...
Neuroscience
Jun 18, 2012 |
3.7 / 5 (6) |
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Brain, not eye mechanisms keep color vision constant across lifespan
Cone receptors in the human eye lose their color sensitivity with age, but our subjective experience of color remains largely unchanged over the years. This ability to compensate for age-related changes in color perception ...
Cardiology
May 08, 2013 |
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Medical myth: Reading from a screen harms your eyes
The time most of us spend looking at a screen has rapidly increased over the past decade. If we're not at work on the computer, we're likely to stay tuned into the online sphere via a smart phone or tablet. ...
Health
Oct 19, 2012 |
4.8 / 5 (4) |
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New discovery in autism-related disorder reveals key mechanism in brain development and disease
A new finding in neuroscience for the first time points to a developmental mechanism linking the disease-causing mutation in an autism-related disorder, Timothy syndrome, and observed defects in brain wiring, according to ...
Neuroscience
Jan 14, 2013 |
4 / 5 (2) |
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Cocaine and the teen brain: Study offers insights into addiction
When first exposed to cocaine, the adolescent brain launches a strong defensive reaction designed to minimize the drug's effects, Yale and other scientists have found. Now two new studies by a Yale team identify key genes ...
Neuroscience
Feb 21, 2012 |
3 / 5 (1) |
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Research discovers two opposite ways our brain voluntarily forgets unwanted memories
If only there were a way to forget that humiliating faux pas at last night's dinner party. It turns out there's not one, but two opposite ways in which the brain allows us to voluntarily forget unwanted memories, ...
Neuroscience
Oct 17, 2012 |
5 / 5 (3) |
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Using rabies virus, researcher tracks inputs to dopamine neurons
A genetically-modified version of the rabies virus is helping scientists at Harvard to trace neural pathways in the brain, a research effort that could one day lead to treatments for Parkinson's disease and addiction.
Neuroscience
Jun 06, 2012 |
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Researchers identify brain pathway triggering impulsive eating
New research from the University of Georgia has identified the neural pathways in an insect brain tied to eating for pleasure, a discovery that sheds light on mirror impulsive eating pathways in the human ...
Medical research
Feb 28, 2013 |
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Empathy represses analytic thought, and vice versa
New research shows a simple reason why even the most intelligent, complex brains can be taken by a swindler's story – one that upon a second look offers clues it was false.
Neuroscience
Oct 30, 2012 |
3.7 / 5 (3) |
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Novel microscopy method offers sharper view of brain's neural network
Shortly after the Hubble Space Telescope went into orbit in 1990 it was discovered that the craft had blurred vision. Fortunately, Space Shuttle astronauts were able to remedy the problem a few years later ...
Neuroscience
Aug 23, 2012 |
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Pain is not one-dimensional, researchers say
Pain is not one-dimensional but a combination of inflammatory reactions as well as of processes in the central nervous system and memory cells. This is the result of a current study by pain researchers at ...
Medical research
May 01, 2013 |
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New MRI technique may predict progress of dementias
A new technique for analyzing brain images offers the possibility of using magnetic resonance imaging (MRI) to predict the rate of progression and physical path of many degenerative brain diseases, report scientists at the ...
Neuroscience
Apr 10, 2012 |
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Growing up as a neural stem cell: The importance of clinging together and then letting go
Can one feel too attached? Does one need to let go to mature? Neural stem cells have this problem, too.
Neuroscience
Apr 25, 2012 |
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