Can animals count? Neuroscientists identify a sense of numeracy among rodents

A study by researchers at City University of Hong Kong and The Chinese University of Hong Kong discovered evidence of numerical ability in rats, suggesting the existence of discrete number sense in rodents. The research used brain manipulation techniques, numerical learning tasks, and AI modeling to investigate the neural basis of numerical ability. The findings shed light on how rats perceive and quantify numbers, highlighting the role of the posterior parietal cortex in number processing. This study not only advances our understanding of numerical cognition in animals but also has implications for studying neural circuits and genetic influences on mathematical ability.

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