The motivation to move: Study finds rats calculate 'average' of reward across several tests
Suppose you had $1,000 to invest in the stock market. How would you decide to pick one stock over another? Scientists have made great progress in understanding the neuroscience behind how people choose between ...
Neuroscience
Apr 19, 2013 |
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Study suggests reduced risk of dementia
(Medical Xpress)—A new Swedish study published in the journal Neurology shows that the risk of developing dementia may have declined over the past 20 years, in direct contrast to what many previously assumed. The result ...
Neuroscience
Apr 19, 2013 |
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Fight control: Researchers link individual neurons to regulation of aggressive behavior in flies
(Medical Xpress)—Scientists have long pondered the roots of aggression—and ways to temper it. Now, new research is beginning to illuminate the cellular-level circuitry responsible for modulating aggression ...
Neuroscience
Apr 19, 2013 |
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Babies show visual consciousness at five months
(Medical Xpress)—A new study by scientists in France and Denmark has identified a neurological marker in the brain of babies as young as five months that is associated with visual consciousness, or the ...
Neuroscience
Apr 19, 2013 |
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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 |
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First steps of synapse building is captured in live zebra fish embryos
Using spinning disk microscopy on barely day-old zebra fish embryos, University of Oregon scientists have gained a new window on how synapse-building components move to worksites in the central nervous system.
Neuroscience
Apr 18, 2013 |
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Science surprise: Toxic protein made in unusual way may explain brain disorder
A bizarre twist on the usual way proteins are made may explain mysterious symptoms in the grandparents of some children with mental disabilities.
Neuroscience
Apr 18, 2013 |
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High levels of glutamate in brain may kick-start schizophrenia
An excess of the brain neurotransmitter glutamate may cause a transition to psychosis in people who are at risk for schizophrenia, reports a study from investigators at Columbia University Medical Center (CUMC) published ...
Neuroscience
Apr 18, 2013 |
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Helpful for robotics: Brain uses old information for new movements
Information from the senses has an important influence on how we move. For instance, you can see and feel when a mug is filled with hot coffee, and you lift it in a different way than if the mug were empty. ...
Neuroscience
Apr 18, 2013 |
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Scientists probe the source of a pulsing signal in the sleeping brain
New findings clarify where and how the brain's "slow waves" originate. These rhythmic signal pulses, which sweep through the brain during deep sleep at the rate of about one cycle per second, are assumed ...
Neuroscience
Apr 18, 2013 |
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Scientists reverse memory loss in animal brain cells
Neuroscientists at The University of Texas Health Science Center at Houston (UTHealth) have taken a major step in their efforts to help people with memory loss tied to brain disorders such as Alzheimer's ...
Neuroscience
Apr 17, 2013 |
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Study finds US facing neurologist shortage
Americans with brain diseases such as Alzheimer's disease, Parkinson's disease or multiple sclerosis (MS) who need to see a neurologist may face longer wait times or have more difficulty finding a neurologist, according to ...
Neuroscience
Apr 17, 2013 |
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Structural dynamics underlying memory in aging brains
(Medical Xpress)—When the brains of those who have succumbed to age-related neurodegeneration are analyzed post-mortem, they typically show significant atrophy on all scales. Not only is the cortex thinner ...
Neuroscience
Apr 17, 2013 |
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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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Discovery of genetic defect that triggers epilepsy
Researchers at the University Department of Neurology at the MedUni Vienna have identified a gene behind an epilepsy syndrome, which could also play an important role in other idiopathic (genetically caused) ...
Neuroscience
Apr 17, 2013 |
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