August 2010

fmri

hello
I am new to fmri analysis and am very much keen to carry forward my career in this field and would be really glad to know where i could download fmri data for research purpose.could anyone please suggest sites or links where i could dowload fmri data

thank you
karthik.m.p
msrit

About Masks in REST have different origin coordinate with SPM images

老师:
     你好,我使用rest提供的mask来提取全脑、CSF、白质的信号,但是我发现这些mask的中心点坐标即origin coordinate是0,而SPM里面的图像则不是。所以无论使用MRIcro的overlay还是SPM的checkreg功能,rest提供的mask与SPM里面的图像都不配,这样的话是否提取mask内的信号是可靠有效的呢?因为我不知道其计算的原理,所以在此发问,我的图像都已经是重采样后与mask相同的体素大小和坐标框。
   请老师解释一下。
mw

dparsf做功能连接,生成的结果中ROI没用用实名标识,而是用ROI1,ROI2,ROI3,.......,怎么辨认该ROI是什么?

在dparsf中假如用4个ROI做功能连接,如A,B,C,D,生成的结果为ROI1,ROI2,ROI3,ROI4,请问,这里ROI1-4与A-D的对应原则是什么?是仅仅按加入时的顺序还是按ASCII的大小排序,请明示?

Fwd: What's new for '+"resting" +"fMRI"' in PubMed

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