Date Presented 3/30/2017 Infant–maternal reciprocity may be captured and represented through play. Play construction, purpose, object choice, and type were observed and coded using a retrospective analysis, demonstrating an increase in frequency and duration in most categories. Primary Author and Speaker: Bryan Gee Additional Authors and Speakers: Susan Kunkel Contributing Authors: Hillary Swann, Nancy Devine, Nicholas Burgett, Nicki Aubuchon-Endsley, Michele R. Brumley, Heather Ramsdell-Hudock