Flipping a switch on neuron activity

Monday, March 7, 2011 - 10:30 in Biology & Nature

All our daily activities, from driving to work to solving a crossword puzzle, depend on signals carried along the body's vast network of neurons. Propagation of these signals is, in turn, dependent on myriad small molecules within nerve cells -- receptors, ion channels and transmitters -- turning on and off in complex cascades.

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