title: Rules got rhythm.
abstract: Intelligent agents must select and apply rules to accomplish their goals. In this issue of Neuron, Buschman et al. (2012) demonstrate that oscillatory neuronal coupling is key to rule processing in monkey prefrontal cortex, notably when rules change during tasks.
authors.affiliation: Department of Neurophysiology and Pathophysiology, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246 Hamburg, Germany. ak.engel@uke.de
authors.forename: Andreas K
authors.initials: AK
authors.lastname: Engel