Day 340 of 365
December 6
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Neuroscience The Social Brain Hypothesis
The social brain hypothesis suggests primate brain size correlates with social group complexity, not diet or tool use. Humans' large brains may have evolved for navigating complex social relationships. This helps explain our capacities for language, cooperation, and culture.
💡 Did you know?
Humans can maintain stable relationships with about 150 people - known as Dunbar's number!
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