DPABI/DPABISurf/DPARSF

皮层模板的信息

Submitted by Lee on

严老师好,各位老师好,我想要做surf的脑网络分析,不过surf工具包里给的模板并没有像Dosenbach模板那样提供模板信息,在这里想向老师们求教一下,我去哪里可以获取surf工具包里面HCP-MMP1.labe,Yeo2011_7Networks_N1000.label和Yeo2011_17Networks_N1000.label的模板信息呢?希望能得到你们的指导。

Questions about effice size cohen's f2

Submitted by jujube on

Dear Dpabi experts
 I conducted a paried t-test on RS-fMRI metrics, I got TP.nii and TP_cohen's f2.nii. I am confused about why the effect size map for paired t-test was calculated in the form of cohen‘s f 2 instead of cohen‘s d.
I appreciate your clarification, thanks in advance for your time and reply.
 
 
Ei
 
 
 

 

FC_FunImgARglobalCWF and FC_FunImgARCWF folders

Submitted by CHL on
Dear all,
 
I have a simple quedtion about the difference between FC_FunImgARglobalCWF and FC_FunImgARCWF folders.
 
If I'm correct, the former one, FC_FunImgARglobalCWF, is the result without regressing out GSR, and the latter one, FC_FunImgARCWF, is the result after regressing out GSR. 
 
Do I understand the contents of the folders correctly?
 
 
 
Thanks.
 
Best regards,
 
Chih-Hao 

After GRF correction, significant clusters are larger

Submitted by Kaiyu Huang on

老师好!

我在对一张R.nii图像进行GRF矫正之后,发现看到的cluster比没做矫正之前更大了,这是不是不合理啊?

我的操作是这样的:

1)在Dpabi View的overlay里选定一张R.nii 图像 (这个界面的Nmax 和Nmin分别代表什么呢?我在两台不同电脑上打开同一个图,它出现的数字是不一样的)

2)在Overlay configure 输入P(0.05),df=5(sample size =7。 这里有点奇怪,df改为5后,accept了,但是重新点开‘df’,又是原来默认的数字,得改两遍才会变成我想要的那个数字。)

    完成这一步之后,看到的cluster都很小很小,应该是过不了GRF矫正了?

3)Cluster里那一栏选GRF,选定我自己的mask--- voxel p value (0.0214)----cluster p value(0.05)---- Two tailed----Compute

    这一步之后,激活的团块面积就变大了!

 

请求老师解答!非常谢谢!!

 

 

 

 

using DPABI on a preprocessed

Submitted by afarzinkhan on

Dear community

I hope this email finds you well

 

I would kindly ask if it is possible to use DPABI on a data which has been preprocessed using FSL?

 

The data we will use is a resting fMRI data and we would like to do ALFF/fALFF and ReHo analyses on this data..

 

 I would be very end thankful if you can help. 

 

Best Regards

 

 

Farzin

预处理顺序

Submitted by 沐溱 on
严超赣老师:
您好!
我在对数据进行预处理时,选用的顺序是ARCFW。有几个问题:
1、请问将配准放在最后一步,会产生其他的噪声影响吗?
2、是否有文章是按照这个顺序进行预处理的呢?
3、是否需要改为ARWDCF的顺序?
4、如果不更改顺序时遇到审稿人提问,该如何回复更合适呢?
谢谢!
 

预处理顺序

Submitted by 沐溱 on
严超赣老师:
您好!
我在对数据进行预处理时,选用的顺序是ARCFW。有几个问题:
1、请问将配准放在最后一步,会产生其他的噪声影响吗?
2、是否有文章是按照这个顺序进行预处理的呢?
3、是否需要改为ARWDCF的顺序?
4、如果不更改顺序时遇到审稿人提问,该如何回复更合适呢?
谢谢!