Do Not Read: Test Download Count
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严老师您好:
看了些文献,有的文献中提到了双样本t检验时要做 random effect analysis, 而有的没有?想问下,这个需要做吗?
各位老师好:
请教一个问题,我想将Rest自带的几个mask利用reslice image将voxel size由3*3*3重采样为2*2*2,保留原始空间信息,(设置情况见附件一),结果报错为
??? Error using ==> class
Cannot change the number of fields of class 'file_array' without first typing
'clear classes'.
Error in ==> file_array.file_array at 41
a = class(a,'file_array');
Error in ==> nifti.nifti at 70
Neuroimage. 2012 Jan 28. [Epub ahead of print]
Detection of epileptic activity in fMRI without recording the EEG.
Lopes R, Lina JM, Fahoum F, Gotman J.
Source
Montreal Neurological Institute, McGill University, Montreal, Québec, Canada.
Abstract
各位先进:
我又来问问题了
谢谢严老师之前的回复,前几个在论坛提出的问题都解决了。但是最近在跑Dartel的时候出了问题如下:
请各位高手在解答,感激不尽
Running DARTEL: Create Template.
------------------------------------------------------------------------
Running job #2
------------------------------------------------------------------------
Running 'Run DARTEL (create Templates)'
又来麻烦各位老师了。
我做了一下正常对照组的FC单样本T检验,发现正连接图激活面积很大,包括了默认网络脑区,不知道是哪出了问题,是不是方法上有问题?谢谢。
(我选了后扣带回的直径6MM小球作为种子区,VOXEL WISE,去除四个协变量,单样本T检验后在rest SLICE VIEWER中处理,ALPHASIM校正,RMM=5,P=0.05)
XJVIEWER显示结果只有一个大CLUSTER,有一万四千多VOXELS(共28个CLUSTER)其它是几或几十,大部分是十以下。
附件中有图
** 1000 Functional Connectomes Project (FCP) / International Neuroimaging Data-Sharing Initiative (INDI) Data Release Announcement **
RELEASE NAME: Multiband Imaging Pilot Test-Retest Dataset
PROVIDER: Enhanced Nathan Kline Institute - Rockland Sample (NKI-RS)
DATA TYPE: Resting State fMRI (TR = 645, 1400, 2500), Diffusion Tensor Imaging (137 directions/2mm isotropic)
** 1000 Functional Connectomes Project (FCP) / International Neuroimaging Data-Sharing Initiative (INDI) Data Release Announcement **
RELEASE NAME: Power et al., 2012 Neuroimage Dataset
PROVIDER: Washington University at St. Louis
DATA TYPE: Resting State fMRI (child, adolescent and adult)