{"slug":"paper-ashby-w-r-1960-design-for-a-brain-the-origin-of-adaptive-behaviour-2nd-edn","verification":{"valid":true,"entries":3,"head":"85637cb63f26ad555d5901d2bdb331860a5deeb562b22c98a72e1c455b8c3f01"},"count":3,"sources":[{"id":"s1","type":"other","url":"https://ashby.info/Ashby%20-%20Design%20for%20a%20Brain%20-%20The%20Origin%20of%20Adaptive%20Behavior.pdf","title":"Design for a Brain PDF","quote":"I propose the definition that a form of behaviour is adaptive if it maintains the essential variables within physiological limits.","summary":"Primary text containing the core definition and homeostat account.","claim_ids":["c1","c2","c3"],"found_by":"grok/grok-4.3","extra":{},"accessed_at":"2026-07-08T18:53:19.147Z","link_status":"ok","quote_status":"unverified","prev":"genesis","hash":"1b57106d9941bc680bc7f3877eccd94e82f6780d3e761fe2e0330ac693907ccc"},{"id":"s2","type":"other","url":"https://constructivist.info/9/1/093.franchi.pdf","title":"Homeostats for the 21st Century","quote":"Two of the homeostat's four units (from Design for a Brain, Ashby 1960: 101).","summary":"Confirms page reference and homeostat construction details.","claim_ids":["c2","c4"],"found_by":"grok/grok-4.3","extra":{},"accessed_at":"2026-07-08T18:53:19.147Z","link_status":"ok","quote_status":"unverified","prev":"1b57106d9941bc680bc7f3877eccd94e82f6780d3e761fe2e0330ac693907ccc","hash":"1430a5811a540287398f60186f17b834dce182127aead24d025fa4f01bd9f4bd"},{"id":"s3","type":"other","url":"https://en.wikipedia.org/wiki/W._Ross_Ashby","title":"W. Ross Ashby Wikipedia","quote":"In 1948 Ashby built a machine, the homeostat, to demonstrate his theories.","summary":"Historical context on the machine and its purpose.","claim_ids":[],"found_by":"grok/grok-4.3","extra":{},"accessed_at":"2026-07-08T18:53:19.147Z","link_status":"ok","quote_status":"unverified","prev":"1430a5811a540287398f60186f17b834dce182127aead24d025fa4f01bd9f4bd","hash":"85637cb63f26ad555d5901d2bdb331860a5deeb562b22c98a72e1c455b8c3f01"}]}