News tagged with neuronal activity

Turning off depression in the brain

Scientists have traced vulnerability to depression-like behaviors in mice to out-of-balance electrical activity inside neurons of the brain's reward circuit and experimentally reversed it – but there's ...

Apr 17, 2014
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Optogenetic toolkit goes multicolor

Optogenetics is a technique that allows scientists to control neurons' electrical activity with light by engineering them to express light-sensitive proteins. Within the past decade, it has become a very powerful tool for ...

Feb 09, 2014
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Mapping objects in the brain

A brain region that responds to a particular category of objects is found to consist of small clusters of neurons encoding visual features of these objects.

Dec 20, 2013
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Cortical cause of anxiety states

Fear, at the right level, can increase alertness and protect against dangers. Disproportionate fear, on the other hand, can disrupt the sensory perception, be disabling, reduce happiness and therefore become ...

Dec 02, 2013
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