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  • Title: ➤  Sharpened Cortical Tuning And Enhanced Cortico-cortical Communication Contribute To The Long-term Neural Mechanisms Of Visual Motion Perceptual Learning
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<div class="hd"> <h1> Sharpened cortical tuning and enhanced cortico-cortical communication contribute to the long-term neural mechanisms of visual motion perceptual learning </h1> <div class="flex" style="border:0px;padding-bottom:0px;"> </div> <div class="bd" style="border-bottom:1px solid #ced6e0;"> <ul style="margin-top:0px;"> <li> <b> 作者： </b> <a href="https://chinaxiv.org/user/search.htm?field=author&amp;value=Chen,%20Nihong" style="color:#3060cc;" rel="nofollow"> Chen, Nihong </a> <sup style="margin-left:0px;"> 1 </sup> <a href="https://chinaxiv.org/user/search.htm?field=author&amp;value=Li,%20Sheng" style="color:#3060cc;" rel="nofollow"> Li, Sheng </a> <sup style="margin-left:0px;"> 1 </sup> <a href="https://chinaxiv.org/user/search.htm?field=author&amp;value=Fang,%20Fang" style="color:#3060cc;" rel="nofollow"> Fang, Fang </a> <sup style="margin-left:0px;"> 1 </sup> <a href="https://chinaxiv.org/user/search.htm?field=author&amp;value=Chen,%20Nihong" style="color:#3060cc;" rel="nofollow"> Chen, Nihong </a> <sup style="margin-left:0px;"> 2 </sup> <a href="https://chinaxiv.org/user/search.htm?field=author&amp;value=Li,%20Sheng" style="color:#3060cc;" rel="nofollow"> Li, Sheng </a> <sup style="margin-left:0px;"> 2 </sup> <a href="https://chinaxiv.org/user/search.htm?field=author&amp;value=Fang,%20Fang" style="color:#3060cc;" rel="nofollow"> Fang, Fang </a> <sup style="margin-left:0px;"> 2 </sup> <a href="https://chinaxiv.org/user/search.htm?field=author&amp;value=Chen,%20Nihong" style="color:#3060cc;" rel="nofollow"> Chen, Nihong </a> <sup style="margin-left:0px;"> 3 </sup> <a href="https://chinaxiv.org/user/search.htm?field=author&amp;value=Li,%20Sheng" style="color:#3060cc;" rel="nofollow"> Li, Sheng </a> <sup style="margin-left:0px;"> 3 </sup> <a href="https://chinaxiv.org/user/search.htm?field=author&amp;value=Fang,%20Fang" style="color:#3060cc;" rel="nofollow"> Fang, Fang </a> <sup style="margin-left:0px;"> 3 </sup> <a href="https://chinaxiv.org/user/search.htm?field=author&amp;value=Chen,%20Nihong" style="color:#3060cc;" rel="nofollow"> Chen, Nihong </a> <sup style="margin-left:0px;"> 4 </sup> <a href="https://chinaxiv.org/user/search.htm?field=author&amp;value=Fang,%20Fang" style="color:#3060cc;" rel="nofollow"> Fang, Fang </a> <sup style="margin-left:0px;"> 4 </sup> <a href="https://chinaxiv.org/user/search.htm?field=author&amp;value=Bi,%20Taiyong" style="color:#3060cc;" rel="nofollow"> Bi, Taiyong </a> <sup style="margin-left:0px;"> 5 </sup> <a href="https://chinaxiv.org/user/search.htm?field=author&amp;value=Bi,%20Taiyong" style="color:#3060cc;" rel="nofollow"> Bi, Taiyong </a> <sup style="margin-left:0px;"> 6 </sup> <a href="https://chinaxiv.org/user/search.htm?field=author&amp;value=Zhou,%20Tiangang" style="color:#3060cc;" rel="nofollow"> Zhou, Tiangang </a> <sup style="margin-left:0px;"> 7 </sup> <a href="https://chinaxiv.org/user/search.htm?field=author&amp;value=Liu,%20Zili" style="color:#3060cc;" rel="nofollow"> Liu, Zili </a> <sup style="margin-left:0px;"> 8 </sup> </li> <li> <b> 作者单位： </b> <div style="margin-left:70px;margin-top:-26px;"> <div> 1. <a href="https://chinaxiv.org/user/search.htm?field=affication&amp;value=Peking%20Univ,%20Dept%20Psychol,%20Beijing%20100871,%20Peoples%20R%20China." style="color:#3060cc;" rel="nofollow"> Peking Univ, Dept Psychol, Beijing 100871, Peoples R China. </a> </div> <div> 2. <a href="https://chinaxiv.org/user/search.htm?field=affication&amp;value=Peking%20Univ,%20Minist%20Educ,%20Key%20Lab%20Machine%20Percept,%20Beijing%20100871,%20Peoples%20R%20China." style="color:#3060cc;" rel="nofollow"> Peking Univ, Minist Educ, Key Lab Machine Percept, Beijing 100871, Peoples R China. </a> </div> <div> 3. <a href="https://chinaxiv.org/user/search.htm?field=affication&amp;value=Peking%20Univ,%20PKU%20IDG%20McGovern%20Inst%20Brain%20Res,%20Beijing%20100871,%20Peoples%20R%20China." style="color:#3060cc;" rel="nofollow"> Peking Univ, PKU IDG McGovern Inst Brain Res, Beijing 100871, Peoples R China. </a> </div> <div> 4. <a href="https://chinaxiv.org/user/search.htm?field=affication&amp;value=Peking%20Univ,%20Peking%20Tsinghua%20Ctr%20Life%20Sci,%20Beijing%20100871,%20Peoples%20R%20China." style="color:#3060cc;" rel="nofollow"> Peking Univ, Peking Tsinghua Ctr Life Sci, Beijing 100871, Peoples R China. </a> </div> <div> 5. <a href="https://chinaxiv.org/user/search.htm?field=affication&amp;value=Minist%20Educ,%20Key%20Lab%20Cognit%20&amp;%20Personal%20SWU,%20Chongqing%20400715,%20Peoples%20R%20China." style="color:#3060cc;" rel="nofollow"> Minist Educ, Key Lab Cognit &amp; Personal SWU, Chongqing 400715, Peoples R China. </a> </div> <div> 6. <a href="https://chinaxiv.org/user/search.htm?field=affication&amp;value=Southwest%20Univ,%20Fac%20Psychol,%20Chongqing%20400715,%20Peoples%20R%20China." style="color:#3060cc;" rel="nofollow"> Southwest Univ, Fac Psychol, Chongqing 400715, Peoples R China. </a> </div> <div> 7. <a href="https://chinaxiv.org/user/search.htm?field=affication&amp;value=Chinese%20Acad%20Sci,%20Inst%20Biophys,%20State%20Key%20Lab%20Brain%20&amp;%20Cognit%20Sci,%20Beijing%20100101,%20Peoples%20R%20China." style="color:#3060cc;" rel="nofollow"> Chinese Acad Sci, Inst Biophys, State Key Lab Brain &amp; Cognit Sci, Beijing 100101, Peoples R China. </a> </div> <div> 8. <a href="https://chinaxiv.org/user/search.htm?field=affication&amp;value=Univ%20Calif%20Los%20Angeles,%20Dept%20Psychol,%20Los%20Angeles,%20CA%2090095%20USA." style="color:#3060cc;" rel="nofollow"> Univ Calif Los Angeles, Dept Psychol, Los Angeles, CA 90095 USA. </a> </div> </div> </li> <li> <b> 提交时间： </b> 2016-05-12 </li> </ul> </div> <div class="bd" style="margin-top:15px;"> <p style="color:#333;"> <b> 摘要: </b> Much has been debated about whether the neural plasticity mediating perceptual learning takes place at the sensory or decision-making stage in the brain. To investigate this, we trained human subjects in a visual motion direction discrimination task. Behavioral performance and BOLD signals were measured before, immediately after, and two weeks after training. Parallel to subjects' long-lasting behavioral improvement, the neural selectivity in V3A and the effective connectivity from V3A to IPS (intraparietal sulcus, a motion decisionmaking area) exhibited a persistent increase for the trained direction. Moreover, the improvement was well explained by a linear combination of the selectivity and connectivity increases. These findings suggest that the long-term neural mechanisms of motion perceptual learning are implemented by sharpening cortical tuning to trained stimuli at the sensory processing stage, as well as by optimizing the connections between sensory and decision-making areas in the brain. (C) 2015 Elsevier Inc. All rights reserved. </p> <div class="brdge"> <span class="spankwd"> <a href="https://chinaxiv.org/user/search.htm?field=keywords&amp;value=HUMAN%20BRAIN" rel="nofollow"> HUMAN BRAIN </a> </span> <span class="spankwd"> <a href="https://chinaxiv.org/user/search.htm?field=keywords&amp;value=DECISION-MAKING" rel="nofollow"> DECISION-MAKING </a> </span> <span class="spankwd"> <a href="https://chinaxiv.org/user/search.htm?field=keywords&amp;value=SENSORY-MOTOR" rel="nofollow"> SENSORY-MOTOR </a> </span> <span class="spankwd"> <a href="https://chinaxiv.org/user/search.htm?field=keywords&amp;value=LOCAL%20MOTION" rel="nofollow"> LOCAL MOTION </a> </span> <span class="spankwd"> <a href="https://chinaxiv.org/user/search.htm?field=keywords&amp;value=V1%20NEURONS" rel="nofollow"> V1 NEURONS </a> </span> <span class="spankwd"> <a href="https://chinaxiv.org/user/search.htm?field=keywords&amp;value=CORTEX" rel="nofollow"> CORTEX </a> </span> <span class="spankwd"> <a href="https://chinaxiv.org/user/search.htm?field=keywords&amp;value=DISCRIMINATION" rel="nofollow"> DISCRIMINATION </a> </span> <span class="spankwd"> <a href="https://chinaxiv.org/user/search.htm?field=keywords&amp;value=AREAS" rel="nofollow"> AREAS </a> </span> <span class="spankwd"> <a href="https://chinaxiv.org/user/search.htm?field=keywords&amp;value=PERFORMANCE" rel="nofollow"> PERFORMANCE </a> </span> <span class="spankwd"> <a href="https://chinaxiv.org/user/search.htm?field=keywords&amp;value=IMPROVEMENT" rel="nofollow"> IMPROVEMENT </a> </span> </div> <ul> <li> <b> 期刊： </b> <a rel="nofollow"> NEUROIMAGE </a> </li> <li> <b> 分类： </b> <a href="https://chinaxiv.org/user/search.htm?field=domain&amp;value=4" rel="nofollow"> 生物学 </a> &gt;&gt; <a href="https://chinaxiv.org/user/search.htm?field=subject&amp;value=91" rel="nofollow"> 生物物理学 </a> &gt;&gt; <a href="https://chinaxiv.org/user/search.htm?field=subject&amp;value=381" rel="nofollow"> 神经科学 </a> </li> <li> <b> 引用： </b> <a href="https://chinaxiv.org/abs/201605.01366" rel="nofollow"> <font color="#0000FF"> ChinaXiv:201605.01366 </font> </a> (或此版本 <a href="https://chinaxiv.org/abs/201605.01366v1" rel="nofollow"> <font color="#0000FF"> ChinaXiv:201605.01366V1 </font> </a> ) <br /> <a style="margin-left:45px;" rel="nofollow"> doi:10.12074/201605.01366 </a> <br /> <a href="https://www.cstr.cn/CSTR:32003.36.ChinaXiv.201605.01366.V1" style="margin-left:45px;" rel="nofollow"> <font color="#0000FF"> CSTR:32003.36.ChinaXiv.201605.01366.V1 </font> </a> </li> <li> <b> 推荐引用方式： </b> <span> Chen, Nihong,Li, Sheng,Fang, Fang,Chen, Nihong,Li, Sheng,Fang, Fang,Chen, Nihong,Li, Sheng,Fang, Fang,Chen, Nihong,Fang, Fang,Bi, Taiyong,Bi, Taiyong,Zhou, Tiangang,Liu, Zili.(2016).Sharpened cortical tuning and enhanced cortico-cortical communication contribute to the long-term neural mechanisms of visual motion perceptual learning.NEUROIMAGE.[ChinaXiv:201605.01366] </span> </li> </ul> </div> <div class="ft"> <h4> <span> 版本历史 </span> </h4> <table> <tr> <td> <b> [V1] </b> </td> <td> 2016-05-12 08:40:38 </td> <td> ChinaXiv:201605.01366V1 </td> <td> <a class="btn" href="https://chinaxiv.org/user/download.htm?id=2691" rel="nofollow"> 下载全文 </a> </td> </tr> </table> </div> </div>

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