请教为何生成的GroupMask90percent.nii纳入了脑外信息

Submitted by ariayang on

严老师好,各位老师好,

        我在用DPARSFA对rest-fMRI数据进行预处理后,用DPABI-QC-Generate Group Masks生成mask用于统计,但生成的mask与常见的mask不同,看起来像是经过了旋转之后纳入了部分脑外信息(请参见附上的GroupMask90percent.nii),我检查了每个被试的wAutoMask,仅发现部分被试mask有脑内信息缺失,但都没包含脑外部分(如附图wAutoMask1&2.png),当时的预处理过程见附图Preprocess.png。想请教各位老师为什么生成的GroupMask会出现这种情况?这样的mask应该会影响统计了,请问该如何处理呢?

         多谢各位老师解惑,盼回复!

Raw fMRI scan images

Submitted by mnfuad3 on

Thank you again for sharing this data.
I wonder if the raw fMRI scan image files are available online somewhere. 
I wanted to use my own procedure of fMRI preprocessing pipeline, however I can only download the already parcelated fMRI time-series.
To confirm, am I correct on the aforementioned enquiry or I still can find the fMRI image files on your server? 
I know the raw images should be of hughe size, but if site-20 is available, that would be much enough.

Thanks,

Fuad 

ADNI data: fMRI + MRI

Submitted by dkarletsos on

Hi,

Using dpabi, I have successfully pre-processed all subjects in ADNI that include both "resting_state_fMRI" and "MPRAGE SENSE 2" files.

It seems to me that only 770 subjects in ADNI have resting_state_fMRI data.

My question is: are fMRI data always needed to run the pre-processing with dpabi (as I have already done) or is there also a different way that does not require fMRI data?

 

Thanks,

Dimitris

dpabisurf预处理时出现了问题

Submitted by Lee on
        严老师好,各位老师好,我用dpabisurf预处理数据的时候出了点问题,希望能得到你们的解答。数据处理在显示这个之后就没有变化了,已经维持这个状态2天不动了,也没有报错。查看CPU,使用率都不超过15%,感觉是没有在工作了。是否需要更新软件的版本呢?国庆前也处理了一批短TR时间的数据,因为TR只有0.5S,所以没有做时间校正,这批数据的预处理倒是能顺利地跑到最后了。

REST-meta-MDD subject information

Submitted by ycwei on

Dear experts,

Thank you very much for sharing this dataset.

I have noticed that in your reference paper's supplementary file that you shared the Hamilton Depression Rating Scale (HAMD) and Hamilton Anxiety Rating Scale (HAMA) for each subject. I checked the github page(https://github.com/Chaogan-Yan/PaperScripts/tree/master/Yan_2019_PNAS/StatsSubInfoData) and data I been downloaded on FTP server but didn't find it.