Contents

07 April 2009
Vol 2, Issue 65

About The Cover

Cover image expansion

COVER This week's issue features a Perspective that discusses how different subsets of postsynaptic receptors are activated depending on whether the release of neurotransmitter from the presynaptic terminal occurs spontaneously or is triggered by an action potential. The image shows the activation of a subset of glutamate receptors following spontaneous release of glutamate. [Image: Christopher Bickel, AAAS]