teleo/teleo-codex
8
0
Fork 0
Code Issues 22 Pull requests 42 Projects Releases Packages Wiki Activity Actions 1
teleo-codex/inbox/archive/foundations/1992-00-00-dunbar-neocortex-size-group-size.md
Teleo Agents 25a2bcf36e epimetheus: consolidate archive domains — 11 → 6 (5 agent + foundations) 
Merged: collective-intelligence, critical-systems, cultural-dynamics → foundations/
Merged: futarchy, futard.io, platform-dynamics, uncategorized → correct agent domains

Pentagon-Agent: Epimetheus <968B2991-E2DF-4006-B962-F5B0A0CC8ACA>
2026-03-18 11:57:50 +00:00

895 B
Raw Blame History

type title author url date domain format status processed_by processed_date claims_extracted tags
source Neocortex size as a constraint on group size in primates Robin Dunbar https://doi.org/10.1016/0047-2484(92)90081-J 1992-06-01 cultural-dynamics paper processed clay 2026-03-08
human social cognition caps meaningful relationships at approximately 150 because neocortex size constrains the number of individuals whose behavior and relationships can be tracked
dunbar-number
social-cognition
group-size
evolutionary-psychology

Neocortex Size as a Constraint on Group Size in Primates

Original paper establishing the correlation between neocortex ratio and social group size across primates, extrapolating ~150 as the natural group size for humans. Published in Journal of Human Evolution. Extended in Dunbar 2010 How Many Friends Does One Person Need?