title: Exciting information for inhibitory neurons.
abstract: One unsolved issue in brain development is how interneurons migrating tangentially into the cortex acquire their regional addresses and laminar positions. The study by Lodato et al. in this issue shows that projection neurons regulate the laminar fates of cortical interneurons.
authors.affiliation: Department of Neurology and Programs in Neuroscience and Developmental Stem Cell Biology, University of California, San Francisco, San Francisco, CA 94158, USA.
authors.forename: Guangnan
authors.initials: G
authors.lastname: Li
authors.forename: Samuel J
authors.initials: SJ
authors.lastname: Pleasure