SEATTLE--(BUSINESS WIRE)--Northstar Neuroscience, Inc. (NASDAQ: NSTR) announced today that it will hold an Investor Day on Thursday, July 12, 2007. The event will be held from 8:00 a.m. to 12:00 p.m. EDT. The event will feature presentations from Northstar’s senior management team, as well as physician and neuroscientist guest speakers from Northwestern University and the University of Pittsburgh, respectively.