August 2014

AlphaSim矫正咨询

 各位老师好,我在使用SPM做双样本T检验的时候,explicit mask选用的是我的单样本T检验结果的并集MASK,这样的话最后双样本T检验的结果如果使用AlphaSim矫正的话,就不能直接使用REST slice viewer里面自带的那个表里的参数了吧?需要重新对我的并集MASK进行AlphaSim值进行评估,我想再问下如图中,在估计AlphaSim的时候这里的P值是什么意思?估计的时候需要改吗?

DPARSFA

Hi,
I'm using demo data and DPARSFA. When I choose my working directory (which has two folders FunRaw and T1Img) it does not pick up participants. But when I run then it shows. Can you tell me what's going on? If I use basic edition of DPARSF it picks up correctly.
Thanks,
Pritha

DPARSF Advanced版本无法找到participants,手动添加也找不到,而basic能找到是怎么回事

 各位专家,我想询问下为什么刚刚下载的DPARSF来处理ProcessingDemoData,进入Advanced版就无法读取participants右键添加也找不到,而basic版能自动找到,是怎么回事呢?
数据文件按视频说的存在了F/Analysis/FunRaw
                                                     T1Raw

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overlay result images to check regional overlap among different analyses

Dear experts,

I have finished running the Reho and fALFF in DPARSF. The brain regions that have significant group differences (patients vs healthy controls) seem overlap between Reho and fALFF. I would like to take a closer look at these results, but slice viewer can only have one overlay at a time. Is there any way/script that would help to overlay more than one statistical images on top of each other in Rest or Brainnet viewer?

thank you very much!

Jie

ALFF反映的是状态还是特质?

 各位老师好!
      我最近用ALFF与某个心理变量之间的关系进行了分析,得到了一些脑区的ALFF值与某个心理变量有关。有审稿专家说ALFF反映的是状态的变化,问得到的结果反映的到底是状态上的关系还是特质上的关系。所以,我想请教各位老师:ALFF真的只是反映了状态的变化吗?与特质有没有关系?先提前感谢您在忙碌之中的回答!

使用DPARSF做任务态fMRI图像预处理报错

各位老师,大家好!
想使用DPARSF做预处理,数据是4组,每组20人,每个人有2个run。我将每个人的每个run给予独立的命名,如sub_001_run1,sub_001_run2,整理存入FunRaw。再将每个人的3dT1相数据整理存入T1Raw文件夹下对应的sub_001_run1。复制一份存入sub_001_run2。由于是任务态的数据,我只想做realign,normalize by using segment T1 ,smooth。

DPARSF中我只选择了:EPI DICOM to NIFTI,Realign,Reorient Fun*,T1 DICOM to NIFTI,Affine Regularisation in Segmentation,Normalize,smooth

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