The 2011 Allen Institute for Brain Science Symposium: "Open Questions in Neuroscience" will take place October 4-5, 2011, in Seattle. The symposium will offer "... a thought-provoking program that addresses key areas of neuroscience and looks to the future of the field. Bringing together a diverse group of leading scientists, the meeting will feature a mixture of talks and discussion to inspire innovative thinking and engage participants in exploring compelling avenues for advancing brain research."