{"id":28039,"date":"2021-08-10T23:00:05","date_gmt":"2021-08-10T15:00:05","guid":{"rendered":"https:\/\/swarma.org\/?p=28039"},"modified":"2021-08-10T23:00:05","modified_gmt":"2021-08-10T15:00:05","slug":"%e7%9f%a5%e8%af%86%e6%80%8e%e6%a0%b7%e5%9c%a8%e5%a4%a7%e8%84%91%e4%b8%ad%e8%a1%a8%e5%be%81%ef%bc%9fnature%e5%88%8a%e6%96%87%e6%8f%ad%e7%a4%ba%e6%8a%bd%e8%b1%a1%e7%9f%a5%e8%af%86%e7%9a%84%e5%87%a0","status":"publish","type":"post","link":"https:\/\/swarma.org\/?p=28039","title":{"rendered":"\u77e5\u8bc6\u600e\u6837\u5728\u5927\u8111\u4e2d\u8868\u5f81\uff1fNature\u520a\u6587\u63ed\u793a\u62bd\u8c61\u77e5\u8bc6\u7684\u51e0\u4f55\u7ed3\u6784"},"content":{"rendered":"
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\u7814\u7a76\u9886\u57df\uff1a\u8ba4\u77e5\u795e\u7ecf\u79d1\u5b66\uff0c\u8ba1\u7b97\u795e\u7ecf\u79d1\u5b66\uff0c\u77e5\u8bc6\u8868\u5f81<\/strong><\/strong><\/span><\/strong><\/span><\/strong><\/span><\/strong><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

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Geometry of abstract learned knowledge in the hippocampus    <\/span><\/p>\n

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https:\/\/www.nature.com\/articles\/s41586-021-03652-7<\/span><\/section>\n<\/section>\n<\/section>\n<\/blockquote>\n


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1. \u5927\u8111\u4e2d\u7684\u77e5\u8bc6\u5730\u56fe\u662f\u5982\u4f55\u7f16\u7801\u7684\uff1f<\/strong><\/strong><\/p>\n<\/section>\n

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\u5982\u679c\u7a7a\u95f4\u4f4d\u7f6e\u662f\u4e00\u79cd\u77e5\u8bc6\uff0c\u8ba4\u77e5\u795e\u7ecf\u79d1\u5b66\u5bb6\u65e9\u5728\u4e0a\u4e2a\u4e16\u7eaa\u4e03\u5341\u5e74\u4ee3\u5c31\u6709\u4e86\u7ebf\u7d22\u3002\u4ed6\u4eec\u53d1\u73b0\u5728\u63a2\u7d22\u7a7a\u65f7\u573a\u5730\u540e\uff0c\u9f20\u80cc\u4fa7\u6d77\u9a6c1\u533a<\/span>\uff08CA1\uff09<\/span>\u4e2d\u4e00\u4e9b\u795e\u7ecf\u5143<\/span>\uff08\u4f4d\u7f6e\u7ec6\u80de\uff0cplace cell\uff09<\/span>\u4f1a\u5bf9\u7279\u5b9a\u4f4d\u7f6e\u654f\u611f\uff0c\u5f53\u9f20\u5904\u4e8e\u8fd9\u4e9b\u4f4d\u7f6e\u65f6\u624d\u4f1a\u6fc0\u6d3b\uff1b\u800c\u4e0d\u540c\u7684\u795e\u7ecf\u5143\u5bf9\u4e0d\u540c\u7684\u4f4d\u7f6e\u654f\u611f\uff0c\u5171\u540c\u5f62\u6210\u4e86\u4e00\u5f20\u8111\u5185\u7684\u7a7a\u95f4\u5730\u56fe<\/span>\uff08\u56fe1\uff09<\/span>\u3002<\/span><\/section>\n
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\u56fe1 \u6d77\u9a6c\u4f531\u533a\uff08CA1\uff09\u793a\u610f\u56fe\u4e0e\u4f4d\u7f6e\u7ec6\u80de<\/span><\/p>\n

\u4e0a\uff1a\u5927\u9f20\u8111\u4e2d\u6d77\u9a6c\u4f53\u4e0e\u6d77\u9a6c\u4f531\u533a\uff08CA1\uff09\u793a\u610f\u56fe\u3002<\/span><\/p>\n

\u4e0b\uff1a\u4f4d\u7f6e\u7ec6\u80de\u8868\u5f81\u793a\u610f\u56fe\uff0c\u540c\u8272\u70b9\u4ee3\u8868\u4e00\u4e2a\u7ec6\u80de\u5728\u7a7a\u95f4\u8ff7\u5bab\u4e2d\u654f\u611f\u4f4d\u7f6e\u3002<\/span><\/p>\n


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\u800c\u8d8a\u6765\u8d8a\u591a\u57fa\u4e8e\u6838\u78c1\u7684\u7814\u7a76\u663e\u793a\uff0c\u62bd\u8c61\u77e5\u8bc6\u5728\u8111\u5185\u4e5f\u662f\u4ee5\u5730\u56fe<\/span>\uff08\u8ba4\u77e5\u5730\u56fe\uff0ccognitive map\uff09<\/span>\u7684\u5f62\u5f0f\u5b58\u50a8\u7684\u3002\u5c31\u50cf\u540c\u4e00\u4e2a\u7ec6\u80de\u7684\u5174\u594b\u4f4d\u7f6e\u4e0d\u4f1a\u76f8\u9694\u592a\u8fdc\uff0c\u5982\u679c\u62bd\u8c61\u7684\u8ba4\u77e5\u53d8\u91cf\u53ef\u4ee5\u8868\u793a\u5728\u4e00\u6761\u5750\u6807\u8f74\u6216\u8005\u4e00\u4e2a\u5750\u6807\u7cfb\u4e0a\uff08\u4f8b\u5982\u4eb2\u7f18\u5173\u7cfb\u7684\u4eb2\u758f\u3001\u7269\u4f53\u95f4\u7684\u5dee\u5f02\uff09\uff0c\u90a3\u4e48\u5927\u8111\u4e2d\u76f8\u540c\u7684\u533a\u57df\u5728\u5750\u6807\u8f74\u4e0a\u7684\u504f\u597d\u4f4d\u7f6e\u4e5f\u4e0d\u4f1a\u76f8\u9694\u592a\u8fdc<\/strong><\/span>\uff08\u56fe2\uff09<\/span>\u3002\u800c\u7f16\u7801\u8fd9\u4e9b\u62bd\u8c61\u77e5\u8bc6\u7684\u8111\u533a\u4f9d\u7136\u662f\u80cc\u4fa7\u6d77\u9a6c1\u533a\u3002<\/span><\/section>\n
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\u56fe2 \u8ba4\u77e5\u5730\u56fe<\/span><\/p>\n

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\u90a3\u4e48\uff0c\u5982\u679c\u4efb\u52a1\u4e2d\u540c\u65f6\u6d89\u53ca\u4e86\u7a7a\u95f4\u4f4d\u7f6e\u53d8\u5316\u548c\u62bd\u8c61\u8ba4\u77e5\u53d8\u91cf\uff0c\u6d77\u9a6c1\u533a\u4e2d\u7684\u795e\u7ecf\u5143\u4f1a\u5982\u4f55\u8868\u5f81\u5462\uff1f\u795e\u7ecf\u5143\u5bf9\u8fd9\u4e24\u4e2a\u53d8\u91cf\u7684\u7f16\u7801\u4f1a\u662f\u72ec\u7acb\u7684\u4e48\uff1f\u7a7a\u95f4\u53d8\u91cf\u548c\u8ba4\u77e5\u53d8\u91cf\u90fd\u80fd\u5728\u795e\u7ecf\u5143\u6d3b\u52a8\u7a7a\u95f4\u4e2d\u5f62\u6210\u6709\u96c6\u5408\u5c5e\u6027\u7684\u8ba4\u77e5\u5730\u56fe\u4e48\uff1f\u6765\u81ea\u7f8e\u56fd\u666e\u6797\u65af\u987f\u5927\u5b66\u7684Carlos D. Brody\u548cDavid W. Tank\u7b49\u5b66\u8005\uff0c\u4e8e2021\u5e746\u6708\u5728Nature<\/em>\u53d1\u8868\u6587\u7ae0\uff0c\u4ecb\u7ecd\u4e86\u4ed6\u4eec\u5173\u4e8e\u795e\u7ecf\u5143\u62bd\u8c61\u77e5\u8bc6\u8868\u5f81\u7684\u7814\u7a76\u3002<\/span><\/section>\n

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2. \u7a7a\u95f4\u4f4d\u7f6e\u548c\u62bd\u8c61\u8ba4\u77e5\u53d8\u91cf\u7684\u8868\u5f81<\/strong><\/strong><\/p>\n<\/section>\n

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\u5982\u679c\u7a7a\u95f4\u4f4d\u7f6e\u548c\u62bd\u8c61\u8ba4\u77e5\u53d8\u91cf\u7684\u7f16\u7801\u662f\u5b8c\u5168\u72ec\u7acb\u7684<\/span>\uff08\u56fe4d\uff09<\/span>\uff0c\u90a3\u4e48\u5728\u9f20\u8fd0\u52a8\u8f68\u8ff9\u76f8\u540c\u7684\u60c5\u51b5\u4e0b\uff0c\u5373\u4f7f\u8ba4\u77e5\u53d8\u91cf\u5b58\u5728\u5dee\u5f02\uff0c\u5bf9\u4e8e\u76f8\u540c\u7684\u795e\u7ecf\u5143\u800c\u8a00\uff0c\u5728\u4e24\u6b21\u5b9e\u9a8c\u4e2d\u6240\u504f\u597d\u7a7a\u95f4\u4f4d\u7f6e\u4e5f\u5e94\u8be5\u662f\u5b8c\u5168\u4e00\u81f4\u7684\uff0c\u5373\u795e\u7ecf\u5143\u5bf9\u4f4d\u7f6e\u5730\u56fe\u7684\u7f16\u7801\u4e0d\u53d7\u5230\u8ba4\u77e5\u53d8\u91cf\u7684\u5f71\u54cd<\/strong>\u3002\u800c\u5982\u679c\u4e24\u8005\u4e0d\u72ec\u7acb<\/span>\uff08\u56fe4e\uff09<\/span>\uff0c\u795e\u7ecf\u5143\u5bf9\u672a\u77e5\u7684\u7f16\u7801\u5c31\u53ef\u80fd\u4f1a\u8ba4\u77e5\u53d8\u91cf\u7684\u5f71\u54cd\uff0c\u4ece\u800c\u5728\u4e24\u4e2a\u8bd5\u6b21\u4e2d\u504f\u597d\u4e0d\u540c\u7684\u4f4d\u7f6e\u3002<\/span><\/section>\n

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\u56fe4 \u8868\u5f81\u72ec\u7acb\u6027\u5047\u8bbe<\/span><\/p>\n

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\u4e3a\u4e86\u8fdb\u4e00\u6b65\u68c0\u9a8c\u7f16\u7801\u7684\u72ec\u7acb\u6027\uff0c\u7814\u7a76\u8005\u8ba1\u7b97\u4e86\u795e\u7ecf\u5143\u6fc0\u6d3b\u6c34\u5e73\u4e0e\u523a\u6fc0\u7a7a\u95f4<\/span>\uff08\u4f4d\u7f6e\u53d8\u91cfx\u8ba4\u77e5\u53d8\u91cf\uff09<\/span>\u7684\u4e92\u4fe1\u606f<\/span>\uff08mutual information\uff09\uff08\u56fe5\uff09<\/span>\uff0c\u53d1\u73b0\u76f8\u6bd4\u4f4d\u7f6e\u6216\u8ba4\u77e5\u53d8\u91cf\u968f\u673a\u7684\u523a\u6fc0\u7a7a\u95f4\uff0c\u795e\u7ecf\u5143\u7684\u6fc0\u6d3b\u6c34\u5e73\u4e0e\u771f\u5b9e\u523a\u6fc0\u7a7a\u95f4\u7684\u4e92\u4fe1\u606f\u91cf\u90fd\u663e\u8457\u66f4\u9ad8\u3002\u8bf4\u660e\u795e\u7ecf\u5143\u5bf9\u7a7a\u95f4\u4f4d\u7f6e\u548c\u62bd\u8c61\u8ba4\u77e5\u53d8\u91cf\u7684\u7f16\u7801\u662f\u540c\u65f6\u8fdb\u884c\u4e14\u4e0d\u72ec\u7acb\u7684\u3002<\/strong><\/span><\/section>\n

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\u56fe5 \u4e92\u4fe1\u606f<\/span><\/p>\n

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\u8ba1\u7b97\u795e\u7ecf\u79d1\u5b66\u7814\u7a76\u53d1\u73b0\uff0c\u795e\u7ecf\u5143\u7684\u5e8f\u5217\u6d3b\u52a8\u53ef\u4ee5\u9884\u6d4b\u6b64\u540e\u7684\u884c\u4e3a\u51b3\u7b56\u3002\u90a3\u4e48\uff0c\u5728\u8be5\u4efb\u52a1\u7684\u795e\u7ecf\u6d3b\u52a8\u7a7a\u95f4\uff0c\u662f\u5426\u53ef\u4ee5\u627e\u5230\u67d0\u79cd\u5e8f\u5217\u6d3b\u52a8\uff0c\u5bf9\u6bcf\u4e2a\u8bd5\u6b21\u7684\u9009\u62e9\u8fdb\u884c\u9884\u6d4b\u5462\uff1f<\/span><\/section>\n
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\u56fe7 \u5e8f\u5217\u6d3b\u52a8\u9884\u6d4b\u51b3\u7b56\u884c\u4e3a<\/span><\/section>\n

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\u672c\u7814\u7a76\u81f4\u529b\u4e8e\u63a2\u7d22\u8ba4\u77e5\u4fe1\u606f\u5728\u8111\u5185\u7684\u8868\u5f81\u53ca\u5bf9\u5176\u5bf9\u51b3\u7b56\u7684\u5f71\u54cd\u3002\u6587\u7ae0\u901a\u8fc7\u6784\u5efa\u8ba4\u77e5\u4efb\u52a1\u4e2d\u7684\u795e\u7ecf\u5143\u6d3b\u52a8\u7a7a\u95f4\uff0c\u63ed\u793a\u4e86\u6d77\u9a6c\u795e\u7ecf\u5143\u5bf9\u62bd\u8c61\u8ba4\u77e5\u548c\u7a7a\u95f4\u4f4d\u7f6e\u53d8\u91cf\u7f16\u7801\u7b56\u7565\uff1a\u8fd9\u4e24\u79cd\u4fe1\u606f\u662f\u5171\u540c\u7f16\u7801\u7684\uff0c\u5b58\u5728\u5f88\u5f3a\u7684\u4f9d\u5b58\u5173\u7cfb\uff1b\u4ed6\u4eec\u7684\u8111\u5185\u8868\u5f81\u90fd\u5448\u73b0\u51fa\u51e0\u4f55\u7ed3\u6784\u7279\u70b9<\/strong>\u3002\u9664\u6b64\u4e4b\u5916\uff0c\u6587\u7ae0\u8fd8\u5229\u7528\u8be5\u7a7a\u95f4\u4e2d\u7684\u795e\u7ecf\u5143\u5e8f\u5217\u6d3b\u52a8\u5bf9\u51b3\u7b56\u884c\u4e3a\u8fdb\u884c\u4e86\u9884\u6d4b\uff0c\u5bcc\u542b\u8ba4\u77e5\u4fe1\u606f\u7684\u795e\u7ecf\u6d3b\u52a8\u7a7a\u95f4\u80fd\u591f\u8ba9\u751f\u7269\u505a\u51fa\u9884\u6d4b\u548c\u5224\u65ad\u3002<\/strong><\/span><\/section>\n
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\u6211\u4eec\u5982\u4f55\u5728\u795e\u7ecf\u5143\u6c34\u5e73\u4e0a\u7406\u89e3\u77e5\u8bc6\u548c\u83b7\u53d6\u77e5\u8bc6\u7684\u8fc7\u7a0b\uff0c\u53c8\u5982\u4f55\u5c06\u8fd9\u79cd\u751f\u7269\u8fd1\u4e4e\u201c\u672c\u80fd\u201d\u7684\u7279\u6027\u66f4\u597d\u5730\u590d\u523b\u5728\u7c7b\u8111\u667a\u80fd\u4e2d\uff1f\u5927\u8111\u50cf\u4e00\u4e2a\u9ed1\u7bb1\uff0c\u5728\u9ad8\u7ea7\u8ba4\u77e5\u7684\u5c42\u9762\u66f4\u662f\u8fd9\u6837\u3002\u77e5\u8bc6\u7684\u590d\u6742\u6027\u8ba9\u6211\u4eec\u5f88\u96be\u4ece\u8fd8\u539f\u8bba\u7684\u89d2\u5ea6\u8fdb\u884c\u5206\u89e3\uff0c\u4f46\u6216\u8bb8\u6211\u4eec\u53ef\u4ee5\u4ece\u5bf9\u6bd4\u4e2d\u5165\u624b\u3002<\/span><\/section>\n
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\u53c2\u8003\u6587\u732e<\/span><\/strong><\/span><\/section>\n<\/h1>\n
1. Nieh, E. H., Schottdorf, M., Freeman, N. W., Low, R. J., Lewallen, S., Koay, S. A., Pinto, L., Gauthier, J. L., Brody, C. D., & Tank, D. W. (2021). Geometry of abstract learned knowledge in the hippocampus. _Nature_, _595_(7865), 80\u201384. https:\/\/doi.org\/10.1038\/s41586-021-03652-7<\/span><\/section>\n
2. Park, S. A., Miller, D. S., Nili, H., Ranganath, C., & Boorman, E. D. (2020). Map Making: Constructing, Combining, and Inferring on Abstract Cognitive Maps. _Neuron_, _107_(6), 1226-1238.e8. https:\/\/doi.org\/10.1016\/j.neuron.2020.06.030<\/span><\/section>\n
3. Recanatesi, S., Farrell, M., Lajoie, G., Deneve, S., Rigotti, M., & Shea-Brown, E. (2021). Predictive learning as a network mechanism for extracting low-dimensional latent space representations. _Nature Communications_, _12_(1), 1417. https:\/\/doi.org\/10.1038\/s41467-021-21696-1<\/span><\/section>\n

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