Creativity and the brain: Uncovering the neural signature of conceptual expansion

► A novel paradigm was developed to study creative conceptual expansion using fMRI. ► Methodological problems associated with neuroimaging of creativity were overcome. ► Examined creative vs. general divergent thinking, working memory and cognitive load. ► IFG, temporal pole and frontopolar regions active for creative conceptual expansion. ► Regions implicated in retention, retrieval and integration of conceptual knowledge.