The book's central premise is that high-level intelligence evolved at least on Earth: Vertebrates: Leads to humans, mammals, and birds. Cephalopods: Leads to octopuses, squid, and cuttlefish.
Distributed intelligence in arms; color-changing as "excess" signaling. Evolutionary Theory Theories of aging and the paradox of short, smart lives. Part IV: Social Minds Field Observations Other Minds: The Octopus, the Sea, and the Deep...
While generally solitary, the author discusses "Octopolis," a unique site off Australia where octopuses live in close proximity and exhibit rare social behaviors. This suggests that social interaction might be an overlooked driver of cephalopod intelligence. Summary of Structure Key Topics Part I: The Divergence Evolutionary History The 600-million-year split; the Cambrian explosion. Part II: The Embodied Mind Biology & Nervous Systems The book's central premise is that high-level intelligence