Apes to AIs: The Illusion of Scaling Up Sentience
Part I: The Take-Off Ramp — Evolution Beyond Raw Encephalization A prevalent misconception in evolutionary biology suggests that human cognitive superiority stems directly from brain expansion—simply scaling an ancestral ape brain from roughly 350–450 cm³ (and ~6–9 billion cortical neurons) up to 1350–1400 cm³ (and ~16–21 billion cortical neurons). Yet an isometric scaling of that
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