DPABI/DPABISurf/DPARSF

Harness voxelwise fc-function of DPABI to calculate own connectivity measure

Submitted by David on

Hi,

I'm trying to calculate a voxelwise connectivity measure which is not included in DPABI and I was wondering if it is possible to "harness" the voxelwise fc functions of DPABI somehow? In other words I want to just replace the part where the functional voxelwise connectivity is calculated by a function I wrote myself but still use the very handy rest of the DPABI-functions like reading the masks, creating z-maps,  and so forth :). Is this possible without major changes of the code somehow?

如何得到3组ReHo-1做anova分析?

Submitted by Yin on

rest 中 statistical analysis 中做anova分析,需要add 3组数据,一开始把3组被试原始数据放在一个FunRaw文件夹中,最后得到一个result文件夹,所有被试的ReHo放在一个文件夹中。不知道该怎么得到3组数据?求指教

尝试1:把3组被试的ReHo分别放在不同文件夹,结果只能做得到一个组的ReHo-1,做另两组没有看到结果文件,但在command window中看到确实运行计算了,试了几次还是不行。

DPARSFA预处理报错

Submitted by Yin on

  dear experts:

参数: 运行环境matlab2013a,spm8update ,试过spm12update, spm8 ,spm12; 也试过matlab2010a,都不能run。

Q1:如果把slice timing 这一步不勾选,则能够运行到normalize to MNI space,why? 

Q2:运行到normalize to MNI space后没有报错,也不继续,怎么没有接着smooth,why?

谢谢~

time points:240        TR:2.2    SLICE number:36     slice order:[1:2:35,2:2:36] (不太确定)   reference frame 不知道没填   voxel size:3.4x3.4x3   其他默认值,报错内容如下。

Significance of functional correlation matrices on a group level

Submitted by David on

Hi,

I extracted the ROI time courses via DPABI and specified the AAL atlas. This gives me a of ROI correlation matrix as mat-file for every test subject. But how to determine the significance of the correlations between ROI's on a group level, i.e. if a correlation is significant over all test subjects?

question about mask in alff

Submitted by fish on

Dear Dr.Yan,

 Could I bother you a basic question ? When I was doing ALFF, the mask should be the graymask I made based on the subjects, or be the one-sample t-test? Because the result between the two methods is a little different. The second question is that if I regress out the graymatter volume from the alff, what the mask should I put into?

Best

Fish