This symposium explores the evolutionary origins of human imagination, its impact on the sciences and arts, the consequences of imagination impairment, and the fundamental genetic and neurological basis of human imagination. Pauline Wiessner, Arizona State University, compares day and night conversations and activities of the Kalahari Bushmen to better understand what transpires at during firelit hours and how the atmosphere of the night around hearths draws people into the domain of the imagination Recorded on 06/01/2018. (#33813)