We are pleased to announce the fifth Cold Spring Harbor winter conference on Neuronal Circuits, which will begin at 7:30 pm on Wednesday, April 2 and run through lunch on Saturday, April 5, 2014. A comprehensive description of neuronal circuitry, an old dream of neuroscientists, is about to become a reality with recent technological advances. As these advances have been made in different model organisms and systems, there is a need for a forum where neuroscientists studying various neuronal circuits could exchange ideas. This CSHL meeting will allow for neuroscientists working on neuronal circuits in a wide range of model organisms, from invertebrates to mammals, to come together and discuss their research. Contributions from research centered on neuronal circuits involving anatomical, physiological, theoretical and behavioral approaches will be encouraged. Tentative Topics, Session Chairs and Speakers: · Vision Chair: Michael Hausser Botond Roska, FMI, Basel, Switzerland R. Clay Reid, The Allen Institute for Brain Science Michael Reiser, HHMI/Janelia Farm · Neuromodulation Chair: Mandyam Srinivasan Scott Stenson, HHMI/Janelia Farm Bernardo Sabatini, Harvard Medical School · Technology Chair: Mitya Chklovskii Ed Boyden, Massachusetts Institute of Technology Fritjof Helmchen, Brain Research Institute, Switzerland Tony Zador, Cold Spring Harbor Laboratory · Dendrites & Plasticity Chair: Elly Nedivi Michael Hausser, University College London, UK Jackie Schiller, Technion, Israel Institute of Technology Elly Nedivi, Massachusetts Institute of Technology · Behavior Chair: Kristin Scott Mandyam Srinvasan, University of Queensland, Australia Leslie Vosshall, Rockefeller University · Neocortex Chair: Jackie Schiller Karel Svoboda, HHMI/Janelia Farm David Van Essen, Washington University School of Medicine