{"id":52695,"date":"2024-09-18T18:19:49","date_gmt":"2024-09-18T10:19:49","guid":{"rendered":"https:\/\/swarma.org\/?p=52695"},"modified":"2024-09-18T18:19:49","modified_gmt":"2024-09-18T10:19:49","slug":"%e5%a4%a7%e8%84%91%e6%b4%bb%e5%8a%a8%e7%9a%84%e6%97%b6%e7%a9%ba%e5%8a%a8%e5%8a%9b%e5%ad%a6%e7%9a%84%e7%bb%84%e7%bb%87%e5%8e%9f%e5%88%99%e4%b8%8e%e5%8a%9f%e8%83%bd%e6%9c%ba%e5%88%b6%ef%bd%9c%e5%91%a8","status":"publish","type":"post","link":"https:\/\/swarma.org\/?p=52695","title":{"rendered":"\u5927\u8111\u6d3b\u52a8\u7684\u65f6\u7a7a\u52a8\u529b\u5b66\u7684\u7ec4\u7ec7\u539f\u5219\u4e0e\u529f\u80fd\u673a\u5236\uff5c\u5468\u4e94\u76f4\u64ad\u00b7\u8ba1\u7b97\u795e\u7ecf\u79d1\u5b66\u8bfb\u4e66\u4f1a\u6536\u5b98"},"content":{"rendered":"
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Yang Qi and Pulin Gong. Fractional neural sampling as a theory of spatiotemporal probabilistic computations in neural circuits. Nature Communications, 13: 4572 (2022).<\/span><\/section>\n
\u5206\u6570\u9636\u795e\u7ecf\u91c7\u6837\uff08Fractional Neural Sampling\uff0cFNS\uff09\u5145\u5206\u5229\u7528\u795e\u7ecf\u7fa4\u4f53\u5728\u65f6\u95f4\u548c\u7a7a\u95f4\u4e0a\u5448\u73b0\u51fa\u7684\u4e30\u5bcc\u800c\u590d\u6742\u7684\u52a8\u529b\u5b66\uff0c\u4ee5\u9ad8\u6548\u6267\u884c\u57fa\u4e8e\u91c7\u6837\u7684\u6982\u7387\u8ba1\u7b97\u3002\u56e0\u6b64\uff0cFNS\u63d0\u4f9b\u4e86\u4e00\u79cd\u65b0\u7406\u8bba\u6765\u89e3\u51b3\u957f\u671f\u4ee5\u6765\u5b58\u5728\u7684\u591a\u6a21\u6001\u6982\u7387\u5206\u5e03\u7684\u91c7\u6837\u548c\u8868\u5f81\u6311\u6218\u3002\u6211\u4eec\u7684FNS\u795e\u7ecf\u6982\u7387\u8ba1\u7b97\u7406\u8bba\u7edf\u4e00\u89e3\u91ca\u4e86\u795e\u7ecf\u7f51\u7edc\u52a8\u529b\u5b66\uff0c\u4ee5\u53ca\u6709\u5173\u77e5\u89c9\u73b0\u8c61\uff08\u5982\u89c6\u89c9\u77e5\u89c9\u63a8\u7406\uff09\u7684\u5404\u79cd\u5b9e\u9a8c\u7ed3\u679c\uff0c\u4ece\u800c\u6784\u5efa\u4e86\u4e00\u4e2a\u7406\u8bba\u6846\u67b6\uff0c\u7528\u4e8e\u6df1\u5165\u7406\u89e3\u8111\u529f\u80fd\u7684\u795e\u7ecf\u751f\u7406\u548c\u8ba1\u7b97\u673a\u5236\u3002<\/span><\/section>\n

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Guozhang Chen and Pulin Gong. A spatiotemporal mechanism of visual attention: Superdiffusive motion and theta oscillations of neural population activity patterns. Science Advances, eabl4995 (2022).<\/span><\/section>\n
\u57fa\u4e8e\u8d85\u6269\u6563\u8fd0\u52a8\u4e0e\u03b8\u632f\u8361\u7684\u89c6\u89c9\u6ce8\u610f\u529b\u65f6\u7a7a\u673a\u5236\u4e0d\u4ec5\u80fd\u591f\u89e3\u91ca\u8bb8\u591a\u5b9e\u9a8c\u7ed3\u679c\u5e76\u63d0\u4f9b\u4e86\u7075\u6d3b\u5207\u6362\u63a2\u7d22 (exploration)\u548c\u5229\u7528 (exploitation)\u7684\u5173\u952e\u529f\u80fd\u4f18\u52bf\uff0c\u800c\u4e14\u5bf9\u8bbe\u8ba1\u65b0\u7684\u7c7b\u8111\u4eba\u5de5\u667a\u80fd\u5177\u6709\u91cd\u8981\u7684\u542f\u53d1\u4f5c\u7528\u3002<\/span><\/section>\n

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Yiben Xu, Xian Long, Jianfeng Feng and Pulin Gong. Interacting spiral wave patterns underlie complex brain dynamics and are related to cognitive processing. Nature Human Behaviour volume 7, 1196\u20131215 (2023).<\/span><\/section>\n
\u8fd9\u9879\u7814\u7a76\u63ed\u793a\u4e86\u4eba\u7c7b\u5927\u8111\u590d\u6742\u65f6\u7a7a\u6d3b\u52a8\u7684\u4e00\u79cd\u65b0\u578b\u57fa\u4e8e\u87ba\u65cb\u6ce2\uff08vortex\uff09\u7684\u7ec4\u7ec7\u673a\u5236\u3002\u6b64\u5916\uff0c\u6211\u4eec\u53d1\u73b0\u8111\u87ba\u65cb\u6ce2\u4e0e\u8ba4\u77e5\u5904\u7406\u5b58\u5728\u529f\u80fd\u4e0a\u7684\u5173\u8054\u3002\u87ba\u65cb\u6ce2\u7684\u76f8\u4e92\u4f5c\u7528\u63d0\u4f9b\u4e86\u4e00\u79cd\u5168\u65b0\u7684\u89c6\u89d2\uff0c \u7528\u4ee5\u89e3\u91ca\u5728\u8ba4\u77e5\u4efb\u52a1\u671f\u95f4\u5404\u4e2a\u8111\u533a\u5982\u4f55\u7075\u6d3b\u534f\u8c03\u6d3b\u52a8\u3002<\/span><\/section>\n

<\/span><\/section>\n
Rory Townsend, Pulin Gong. Detection and analysis of spatiotemporal patterns in brain activity. PLoS Computational Biology, 14: e1006643 (2018).<\/span><\/section>\n
\u8fd9\u9879\u7814\u7a76\u63d0\u51fa\u4e86\u8111\u65f6\u7a7a\u52a8\u529b\u5b66\u7684\u5206\u6790\u548c\u8ba1\u7b97\u65b9\u6cd5\uff0c\u53ef\u53ef\u9760\u5730\u68c0\u6d4b\u5927\u89c4\u6a21\u795e\u7ecf\u8bb0\u5f55\u4e2d\u4e0d\u540c\u4f20\u64ad\u6ce2\u6a21\u5f0f\uff0c\u8fdb\u884c\u5168\u9762\u7684\u6a21\u5f0f\u5206\u6790\u548c\u53ef\u89c6\u5316\uff0c\u5e76\u5bf9\u5b83\u4eec\u7684\u65f6\u7a7a\u6a21\u5f0f\u8fdb\u884c\u6df1\u5165\u7814\u7a76\u3002<\/span><\/section>\n

<\/span><\/section>\n
Asem Wardak and Pulin Gong. Extended Anderson Criticality in Heavy-Tailed Neural Networks. Physical Review Letters, 129: 048103 (2022)<\/span><\/section>\n
\u8fd9\u9879\u7814\u7a76\u63ed\u793a\u4e86\u5728\u5177\u6709\u5f02\u8d28\u6027\u548c\u91cd\u5c3e\u8fde\u63a5\u6027\u7684\u795e\u7ecf\u7f51\u7edc\u4e2d\u5b58\u5728\u7740\u6269\u5c55\u7684\u4e34\u754c\u76f8\u53d8\u533a\u57df\u3002\u5728\u8fd9\u4e2a\u533a\u57df\u5185\uff0c\u795e\u7ecf\u7f51\u7edc\u7684\u6d3b\u52a8\u5448\u73b0\u51fa\u591a\u5206\u5f62 (multifractal) \u7684\u672c\u8d28\u7279\u6027\uff0c\u8fd9\u89e3\u91ca\u4e86\u5404\u79cd\u795e\u7ecf\u52a8\u529b\u5b66\u73b0\u8c61\uff0c\u5982\u65f6\u95f4\u5c3a\u5ea6\u7684\u591a\u6837\u6027\uff0c\u5e76\u4e3areservoir computing\u63d0\u4f9b\u4e86\u8ba1\u7b97\u4f18\u52bf\u3002<\/span><\/section>\n

<\/span><\/section>\n
Guozhang Chen & Pulin Gong. Computing by modulating spontaneous cortical activity patterns as a mechanism of active visual processing. Nature Communications. 10: 4915 (2019).<\/span><\/section>\n
\u8fd9\u4e2a\u5de5\u4f5c\u63d0\u51fa\u4e86\u4e00\u79cd\u795e\u7ecf\u8ba1\u7b97\u673a\u5236\uff0c\u7528\u4e8e\u7406\u89e3\u81ea\u53d1\u6d3b\u52a8\u5982\u4f55\u79ef\u6781\u53c2\u4e0e\u795e\u7ecf\u4fe1\u606f\u5904\u7406\uff1aComputing by Modulating Spontaneous Activity (CMSA), CMSA\u8ba1\u7b97\u673a\u5236\u4e3a\u5355\u4e2a\u795e\u7ecf\u5143\u3001\u795e\u7ecf\u7f51\u7edc\u5c42\u9762\u548c\u8ba4\u77e5\u529f\u80fd\u7684\u591a\u9879\u5b9e\u9a8c\u7ed3\u679c\u63d0\u4f9b\u4e86\u7edf\u4e00\u7684\u89e3\u91ca\u3002<\/span><\/section>\n

<\/span><\/section>\n
Guozhang Chen, Cheng Kevin Qu and Pulin Gong. Anomalous diffusion dynamics of learning in deep neural networks. Neural Networks, 149: 18-28 (2022).<\/span><\/section>\n
\u8fd9\u9879\u7814\u7a76\u6df1\u5165\u63a2\u8ba8\u4e86\u5728\u6df1\u5ea6\u5b66\u4e60\u4e2d\u901a\u8fc7\u968f\u673a\u68af\u5ea6\u4e0b\u964d\uff08SGD\uff09\u4e0e\u635f\u5931\u51fd\u6570\u5730\u5f62 \uff08landscape\uff09 \u76f8\u4e92\u4f5c\u7528\u800c\u5b9e\u73b0\u6709\u6548\u5b66\u4e60\u7684\u673a\u5236\u3002\u6211\u4eec\u53d1\u73b0\uff0c\u5728SGD\u5bfc\u822a\u635f\u5931\u51fd\u6570\u5730\u5f62\u65f6\uff0c\u5b83\u5448\u73b0\u51fa\u4e30\u5bcc\u800c\u590d\u6742\u7684\u52a8\u529b\u5b66\uff1b\u521d\u59cb\u9636\u6bb5\uff0cSGD\u8868\u73b0\u51fa\u8d85\u6269\u6563\uff0c\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\u9010\u6e10\u51cf\u5f31\uff0c\u5e76\u5728\u63a5\u8fd1\u89e3\u51b3\u65b9\u6848\u65f6\u8f6c\u53d8\u4e3a\u4e9a\u6269\u6563\u3002\u8fd9\u4e00\u7ed3\u679c\u4ee5\u4e00\u79cd\u65b0\u7684\u89c6\u89d2\u63ed\u793a\u4e86SGD\u5728\u6df1\u5ea6\u5b66\u4e60\u4e2d\u7684\u6709\u6548\u6027\uff0c\u5e76\u5bf9\u8bbe\u8ba1\u9ad8\u6548\u7684\u6df1\u5ea6\u795e\u7ecf\u7f51\u7edc (deep neural networks) \u5177\u6709\u91cd\u8981\u610f\u4e49\u3002<\/span><\/section>\n


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\u795e\u7ecf\u52a8\u529b\u5b66\u6a21\u578b\u8bfb\u4e66\u4f1a<\/strong><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n


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\u4e3a\u4e86\u4fc3\u8fdb\u795e\u7ecf\u79d1\u5b66\u3001\u7cfb\u7edf\u79d1\u5b66\u4ee5\u53ca\u8ba1\u7b97\u673a\u79d1\u5b66\u7b49\u591a\u9886\u57df\u5b66\u672f\u5de5\u4f5c\u8005\u7684\u4ea4\u6d41\u5408\u4f5c\uff0c\u5438\u5f15\u66f4\u591a\u670b\u53cb\u5171\u540c\u63a2\u7d22\u8111\u79d1\u5b66\u4e0e\u7c7b\u8111\u7814\u7a76\uff0c\u5468\u660c\u677e\u3001\u81e7\u8574\u4eae\u3001\u6768\u51ac\u5e73\u3001\u90ed\u5927\u5e86\u3001\u9648\u80b2\u6db5\u3001\u66f9\u6dfc\u3001\u5218\u6cc9\u5f71\u3001\u738b\u5927\u8f89\u3001\u5218\u5065\u3001\u738b\u946b\u8fea\u7b49\u6765\u81ea\u56fd\u5185\u5916\u591a\u6240\u77e5\u540d\u9ad8\u6821\u7684\u4e13\u5bb6\u5b66\u8005\u5728\u96c6\u667a\u4ff1\u4e50\u90e8\u5171\u540c\u53d1\u8d77\u300c<\/span>\u795e\u7ecf\u52a8\u529b\u5b66\u6a21\u578b<\/a>\u300d\u8bfb\u4e66\u4f1a\uff0c\u5386\u65f6\u56db\u4e2a\u6708\u7814\u8ba8\uff0c\u8fd1\u65e5\u5706\u6ee1\u7ed3\u675f\u3002<\/span><\/section>\n

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\u672c\u5b63\u8bfb\u4e66\u4f1a\u5f62\u6210\u4e86\u805a\u96c6500+\u6210\u5458\u7684\u795e\u7ecf\u52a8\u529b\u5b66\u793e\u533a\uff0c\u79ef\u7d2f\u4e8640+\u5c0f\u65f6\u7efc\u8ff0\u3001\u89e3\u8bfb\u3001\u7814\u8ba8\u7684\u89c6\u9891\u8bb0\u5f55\uff0c\u4ee5\u53ca\u591a\u7bc7\u793e\u533a\u6210\u5458\u603b\u7ed3\u7684\u8bcd\u6761\u3001\u7b14\u8bb0\u3001\u7ffb\u8bd1\u3001\u79d1\u666e\u8d44\u6599\u7b49\u3002\u73b0\u5728\u62a5\u540d\u52a0\u5165\u8bfb\u4e66\u4f1a\uff0c\u5373\u53ef\u52a0\u5165\u793e\u533a\u4ea4\u6d41\u8ba8\u8bba\uff08\u5fae\u4fe1\uff09\uff0c\u5e76\u89e3\u9501\u76f8\u5173\u89c6\u9891\u3001\u6587\u672c\u8d44\u6599\u3002\u6211\u4eec\u5bf9\u8111\u7684\u63a2\u7d22\u624d\u521a\u521a\u8d77\u822a\uff0c\u6b22\u8fce\u4f60\u4e00\u9053\u53c2\u4e0e\uff0c\u5171\u540c\u70b9\u4eae\u66f4\u591a\u8111\u79d1\u5b66\u7814\u7a76\u7684\u5c9b\u5c7f\uff01<\/span><\/section>\n


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\u8be6\u60c5\u8bf7\u89c1\uff1a<\/span>
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500+\u795e\u7ecf\u52a8\u529b\u5b66\u793e\u533a\u6210\u5458\uff0c\u9080\u4f60\u5171\u540c\u70b9\u4eae\u66f4\u591a\u8111\u79d1\u5b66\u7814\u7a76\u7684\u5c9b\u5c7f<\/strong><\/a><\/p>\n

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\u8ba1\u7b97\u795e\u7ecf\u79d1\u5b66\u8bfb\u4e66\u4f1a<\/strong><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n


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\u8be6\u60c5\u8bf7\u89c1\uff1a<\/span>\u8ba1\u7b97\u795e\u7ecf\u79d1\u5b66\u8bfb\u4e66\u4f1a\u542f\u52a8\uff1a\u4ece\u590d\u6742\u795e\u7ecf\u52a8\u529b\u5b66\u5230\u7c7b\u8111\u4eba\u5de5\u667a\u80fd<\/a><\/p>\n

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\u70b9\u51fb\u201c\u9605\u8bfb\u539f\u6587\u201d\uff0c\u62a5\u540d\u8bfb\u4e66\u4f1a<\/span><\/p>\n

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