The sensation of pain results from the interplay of sensory and cognitive mechanisms. Research during the past decade has led to a remarkable increase of our understanding of the basis of pain. A new Nature Reviews Neuroscience poster by Stephen McMahon and David Bennett provides an overview of the neuronal circuitry, molecules and signalling pathways involved in normal pain perception and chronic pain. The poster is available free online.

The April issue of Nature Reviews Neuroscience is now out. This month’s featured article is “”https://www.nature.com/nrn/journal/v8/n4/full/nrn2094.html">The Machinery of Colour Vision" by Samuel G. Solomon and Peter Lennie.