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Sat, 04/07/2012 - 15:13ayo老師 若我不想用aal or Brodmann做mask,可否用畫的方式呢?? 我的意思是指例如我想把hippocampus在平分成兩區,有這方面之功能嗎 謝謝4772 reads
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Wed, 04/04/2012 - 23:04dorhushaohua严老师: 请问您在进行DIT空间标准化时用的是T1图还是T2图,因为DTI 扫描时用T2*,因此是不是配准时必须用T2模板,如何您有T2模板,是否可以上传一个?用何种软件下配准?可以DPARSF的模块吗? 我们遇到一个难题,之前的配准选了一个Control,结果无法进行定位,...5860 reads
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Wed, 04/04/2012 - 03:04dorhushaohua严老师: 我利用REST的统计模块中two samples t-test 检验两组人群的DTI数据(FA值),出现了以下错误,请帮助分析下: ??? Error using ==> cat Out of memory. Type HELP MEMORY for your options. Error in ==> rest_ttest2cov_Image at 40 ...5526 reads
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Tue, 04/03/2012 - 16:48jwbPublications used REST or DPARSF software 2012 Han Y, Lui S, Kuang W, Lang Q, Zou L, Jia J. Anatomical and functional deficits in patients with amnestic mild cognitive impairment. PLoS One. 2012;7(2):e28664. http://dx.doi.org/10.1371/journal...5045 reads
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Tue, 04/03/2012 - 16:48vvillaltaDear all, We are using DPARSFA in order to make an alff/falff analysis with a sample of 89 subjects. When we go for a second level analysis, FWE<0.05 results are a black mass of significant results all over the brain so we have to raise the T...4971 reads
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Tue, 04/03/2012 - 05:44dorhushaohua严老师: 请问,双样本及单样本T检验时,用mALFF,mfALFF统计,还是用ALFF,fALFF统计?谢谢! 另外,我上次问道用REST的统计模块来统计DTI预处理(去涡流、张量估计、空间标准化)后的数据,是不是和静息态的数据统计一样? 非常感谢您的回复!5788 reads
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Tue, 04/03/2012 - 05:43dorhushaohua严老师: 请问,双样本及单样本T检验时,用mALFF,mfALFF统计,还是用ALFF,fALFF统计?谢谢! 另外,我上次问道用REST的统计模块来统计DTI预处理(去涡流、张量估计、空间标准化)后的数据,是不是和静息态的数据统计一样? 非常感谢您的回复!3208 reads
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Tue, 04/03/2012 - 02:03287391600老师: 您好! 我最近看了一篇文献,它上面的ROI是以Talairach坐标形式出现,在rest view我们常常用到的是MNI坐标,我很想知道文献上的ROI在哪儿,所以想请教文献上显示的Talairach坐标如何转换成MNI坐标呢? 十分感谢!5807 reads
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Sat, 03/31/2012 - 21:43liufeng您好! 今天我在pnas文章The maturing architecture of the brain’s default network中看到做脑区之间的功能连接的时候,预处理步骤包括:Functional Connectivity Preprocessing. For rs-fcMRI analyses as previously described (2, 3), several additional preprocessing steps were used to reduce spurious...5797 reads
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Sat, 03/31/2012 - 11:00liuweiguo1111严老师 今天用REST统计算DARTEL分割的数据时出现以下错误,不知何意,请教,我的3GB大内存已经打开了。 wc2co20101205_150356t1mpr3Dsagp2isoXUDEZHENs003a1001.nii.img wc2co20101205_160735t1mpr3Dsagp2isoFENGGUANGYUNs003a1001.nii.img ??? Error using ==> cat Out of memory. Type HELP MEMORY for your options....5164 reads