# Human Brains Have Shrunk Since Civilization Began by Brian Eno > "I read once that human brains began shrinking about 10 thousand years ago and are now as much as 15% smaller than they were then." > **— Brian Eno**, *2015, Edge annual question “What Do You Think About Machines That Think?”* ## Sources and Context - **Full authored response and quotation context:** [Just A New Fractal Detail In The Big Picture](https://www.edge.org/response-detail/26191) — Edge's 2015 annual-question response by Brian Eno; the linked page contains the complete response and quoted passage. ## Related Articles and Collections - **Collection:** [[collections/Machine Succession|Machine Succession]] - **Collection:** [[collections/Consciousness Continuity|Consciousness Continuity]] - **Article:** [[articles/The Evolutionary Roots of Silicon Valley|The Evolutionary Roots of Silicon Valley]] - **Article:** [[articles/STEVE|STEVE]] - **Article:** [[articles/The Organic-Synthetic Brain Atlas|The Organic-Synthetic Brain Atlas]] - **Wiki map:** [[wiki/Technological Evolution|Technological Evolution]] ## Related Topics - [[wiki/Evolutionary Biology|Evolutionary Biology]] - [[wiki/Biological Organization|Biological Organization]] - [[wiki/Human Self-Domestication|Human Self-Domestication]] - [[wiki/Cognitive Revolution|Cognitive Revolution]] ## Share on Social Media ``` "I read once that human brains began shrinking about 10 thousand years ago and are now as much as 15% smaller than they were then." — Brian Eno, 2015, Edge annual question “What Do You Think About Machines That Think?” https://bryantmcgill.com/simple-reminders-brian-eno-human-brains-have-shrunk-since ```