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Wed, 02/05/2014 - 22:16water没有注意哪篇文章提到估计样本量，而且很多已发表论文样本量都不大，十几例或者二十几例，当然也有很多的。请问，静息态功能磁共振研究是否需要估计样本量？9959 reads
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Wed, 02/05/2014 - 20:13nj9015请问严老师：我准备用DPARSF处理猴的静息态数据，选择Normalization by using the T1 image unified segmentation。请问，如何在程序中选择猴的模版（即如何将人脑模版替换为猴的模版），谢谢。5420 reads
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Wed, 02/05/2014 - 18:37wisepig119我们用双样本t检验做出了病人与对照的脑区差异，然后提取差异脑区的ALFF值与症状量表做相关，发现了一些脑区相关，然后我们用每个病人全脑的体素与症状量表做相关，得到了与症状有相关的脑区，然而这些脑区有很多与直接影像学双样本t检验得到的脑区不一样，这在解释上就迷惑了，是因为得到的ALFF双样本t检验的脑区不一定是跟症状相关？还是因为全脑体素跟量表的相关有太多是假阳性的相关？哪一种方法得到的脑区更有价值呢？差异的原因又在什么地方呢？还请老师们能指教。6210 reads
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Wed, 02/05/2014 - 02:34newsoulDear Experts, I am using the DPARSF to do resting-state analysis, and I met some problems in the Coregisteration. I tried some times and found each time when DPARSF does the 'Coregister: Estimate' to the last subject in my group, there was an...4140 reads
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Sat, 02/01/2014 - 00:52jsnellings2We're working with the processing demo data in DPARSF and have gotten through the detrending step, but encounter the following error right after: Error using rmdir No directories were removed In DPARSF we chose not to delete detrended files. Is there a way...4091 reads
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Sat, 01/25/2014 - 00:45darmeshiHello, I have a quick question, just to confirm that I did some pre-processing correctly. I want to regress out other covariates in my resting state pre-processing with the DPARSFA toolbox. In part 1 of the instructional slide show, I believe a way to "...7266 reads
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Fri, 01/24/2014 - 07:08waterDPARSF中regress out nuisance covariate默认是不选取的，那么在计算ReHo或者ALFF时是否需要勾选这个选项？还是只有在FC时才需要去除脑白质和脑脊液信号？9093 reads
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Sun, 01/19/2014 - 20:55demI am looking for SPMmouse for my research !! Can someone send it to me please ? my email is zodikadem@yahoo.fr I am not able to find it on the internet by myself Thanks3551 reads
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Sun, 01/19/2014 - 17:49yeshion官方安装的MICA_beta1.22_20120523版本，在Matlab2012a、2013b版本下命令窗口输入“mica”时提示如下错误，（WIN7 32bit 64bit系统都不行，把其他软件（SPM9、REST、DPARSFA等）都在set path里撤除了，只剩下MICA，还是同样错误， 小弟刚入门，不懂，请各位老师多多指教，不胜感激！9427 reads
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Thu, 01/16/2014 - 10:33精进不休最近在做GCA，看到文献中都是用matlab编程，但是rest中也可以操作，请问这两种方法有什么区别吗？ ...11375 reads
