Fig. 4
From: Alien forms for alien language: investigating novel form spaces in cultural evolution
Heatmaps showing how frequently each Ferro was chosen in the large (top, green) and small (bottom, purple) conditions over time. The far left panel represents the original sequences (Generation 0), with each generation progressing to the right right. Darker polygons indicate a higher frequency of a particular Ferro across chains in the relevant generation, while white polygons indicate that a Ferro was not chosen at all
