These findings support the argument that humans and nonhuman primates share a cognitive system for nonverbal arithmetic, which likely reflects an evolutionary link in their cognitive abilities.

• 这些研究结果支持的说法，人类和非人灵长类动物都有一个认知系统的非言语算术，这可能反映了一个循序渐进的一环，他们的认知能力。