Anobile, Giovanni, Guido Marco Cicchini, Antonella Pomè, and David Charles Burr. “Connecting Visual Objects Reduces Perceived Numerosity and Density for Sparse But Not Dense Patterns”. Journal of Numerical Cognition 3, no. 2 (December 22, 2017): Article e5721. Accessed May 6, 2026. https://jnc.psychopen.eu/index.php/jnc/article/view/5721.