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Intelligence on Earth Evolved Independently at Least Twice

a year ago
  • #animal-intelligence
  • #neuroscience
  • #evolution
  • Birds exhibit advanced cognitive abilities despite having brains structurally different from mammals.
  • Research suggests avian and mammalian intelligence evolved independently, not from a common ancestor.
  • Single-cell RNA sequencing reveals similar neural circuits in birds and mammals but developed differently.
  • Birds' dorsal ventricular ridge (DVR) functions similarly to the mammalian neocortex but evolved separately.
  • Convergent evolution explains how different species independently develop similar intelligent traits.
  • Octopuses demonstrate intelligence with neural structures entirely different from vertebrates.
  • Understanding diverse intelligences could enhance AI development beyond human-centric models.