What makes us human (VIDEO) Max-Planck-Gesellschaft This video is under embargo. Please login to access this video. Caption Dense network mapping in human cortex reveals a large interneuron-to-interneuron network that is almost absent in the mouse. This novel neuronal network may constitute a key evolutionary invention in human cortex. Credit Loomba, Helmstaedter, MPI for Brain Research; Rzepka, le Tournoux de la Villegeorges, scalable minds © Max Planck Institute for Brain Research. Loomba et al., Science 2022 Usage Restrictions Use of videos is limited to editorial coverage of scientific topics relating to the activities of the Max Planck Society. Any kind of commercial use (including, in particular, the exploitation of images or videos by means of sale or incorporation in image databases or image catalogues) as well as any promotional use/use for merchandise purposes, disclosure to third parties or granting of related rights to third parties is expressly not permitted. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.