Extended Data Fig. 1: Colour-coded world maps.
From: Entropy of city street networks linked to future spatial navigation ability
a, Sample size. b, Proportion of city participants. c, Environment effect size computed from a LMM predicting wayfinding performance, with fixed effects for age, gender and education, and random environment slopes clustered by country. The environment effect sizes are the environment slopes clustered by country, identical to the values in Fig. 2a.
