{"resolved":true,"match_type":"uuid","source_type":"original_book","book_id":"dde4e586-1def-4457-8ec5-0287b0b0511d","title":"认知 人行为背后的思维与智能","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787300273921","requested_by":"printed_page","book":{"source_type":"original_book","book_id":"dde4e586-1def-4457-8ec5-0287b0b0511d","id":"dde4e586-1def-4457-8ec5-0287b0b0511d","uuid":"dde4e586-1def-4457-8ec5-0287b0b0511d","title":"认知 人行为背后的思维与智能","normalized_title":"认知人行为背后的思维与智能","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787300273921","isbns":["9787300273921"],"parsed":true,"ai_readable":true,"document_type":"book","page_count":290,"navigation_url":"https://workshop.closeclaw.top/ai/book/dde4e586-1def-4457-8ec5-0287b0b0511d","title_url":"https://workshop.closeclaw.top/ai/title/%E8%AE%A4%E7%9F%A5%20%E4%BA%BA%E8%A1%8C%E4%B8%BA%E8%83%8C%E5%90%8E%E7%9A%84%E6%80%9D%E7%BB%B4%E4%B8%8E%E6%99%BA%E8%83%BD","fixed_page_url_template":"https://workshop.closeclaw.top/ai/book/dde4e586-1def-4457-8ec5-0287b0b0511d/page/{printed_page}","path_api_url_template":"https://workshop.closeclaw.top/api/ai/book/dde4e586-1def-4457-8ec5-0287b0b0511d/page/{printed_page}","read_url":"https://workshop.closeclaw.top/api/ai/read/dde4e586-1def-4457-8ec5-0287b0b0511d","page_url":"https://workshop.closeclaw.top/api/ai/books/dde4e586-1def-4457-8ec5-0287b0b0511d/page","search_url":"https://workshop.closeclaw.top/api/ai/books/dde4e586-1def-4457-8ec5-0287b0b0511d/search"},"page":{"printed_page":39,"pdf_page":50,"physical_index":50,"physical_index_base":0,"printed_page_status":"recognized","page_sha256":"cf8220422d112415fc5839de0cf6e9cf281534bcacd79ed14b403500c3a94098"},"chapter":"第二章人类认知系统的结构","content":"人在识别一个对象时，也要利用记忆中保存的很多网络来进行多次检验。通过这样的辨别网络，人们可以认识许多东西。如果每次检验只是区别是和否两种情况，且有10层检验，那么就能分辨出1024个项目；如果有20层检验，就能分辨出约100万（220）个项目。如果每次检验用10毫秒，那么，只用200毫秒就可辨别出100万个项目。这种假设有很大的可能性，人在很短的时间内就能辨别许多事物，而每一次检验又都是无意识进行的，速度很快。在开始学习做一件事时，可能是有意识的辨别，如一个人刚学认字，或科学家初次分辨动植物时都是有意识的。但熟悉了之后，就可以自动化、无意识地进行分辨了。另外，每次检验不一定都是二分的。有时一次检验可以有许多分支，例如在辨别一个字的偏旁时，就可以检验它是“”字旁、“”(三点水)，还是“木”字旁。现在还没有足够的证据说明辨别网络是如何工作的。\n\n第二章 人类认知系统的结构\n\n39","previous_page":38,"next_page":40}