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. Author manuscript; available in PMC: 2020 Jun 1.
Published in final edited form as: Am J Phys Anthropol. 2019 Apr 11;169(2):302–321. doi: 10.1002/ajpa.23833

Figure 4: Memory for multiple locations (Study 2).

Figure 4:

(a) Mean number of test and control pieces found across species and age cohorts; error bars indicate SE. (b) Scatter plot of difference score (indexing each individual’s spatial specificity of searches), plotted by age for each species (bonobos: r2 = 0.08; chimpanzees: r2 = 0.28).