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各位老师好： 请教老师两组问题，1.假设在做功能连接时，甲组患者体素A与ROI的功能连接r是-1，乙组患者体素A与ROI几乎没有什么联系，r为-0.1，那么甲组与乙组进行双样本T检验得到相对于乙组甲组A体素与ROI的功能连接为-0.9，这个-0.9能否证明甲组A体素与ROI的连接较乙组有减弱呢？

浙江省中医院学术活动通知 主题：静息态功能磁共振成像（fMRI）研究进展 专家：臧玉峰教授 时间：2012年3月6日（星期二）下午3:00-4:00 地点：医学影像科示教室（住院二楼）

请看图。 第一、二图为P<0.001 第三、四图为FDR P<0.05 第五、六图为T=100 第七、八图为T=150 第九、十图为T=250

1. Rat brains also have a default mode network. Lu H, Zou Q, Gu H, Raichle ME, Stein EA, Yang Y. Proc Natl Acad Sci U S A. 2012 Feb 21. [Epub ahead of print] Neuroimaging Research Branch, National Institute on Drug Abuse, Intramural Research Programs, National Institutes of Health, Baltimore, MD 21224 Abstract

1. The general linear model and fMRI: Does love last forever? Poline JB, Brett M. Neurospin, Bat. 145, CEA, Gif-sur-Yvette, 91191, France; Henry Wheeler Brain Imaging Center, 10 Giannini Hall, UC Berkeley Berkeley, CA 94720, USA. Abstract

Hi all, I am exploring REST toolbox for analysing some data. I used the Functional Connectivity button on the REST GUI and entered the coordinates of one ROI and followed other instructions on the manual. The processing completed and I received following outputs. 1 txt file with prefix ROI_FCMap_ 2 pairs of img and hdr files with prefix FCMap_ and zFCMap_ 1 nii file with prefix fFCMap_

Dear Yan, It is possible in REST, to correct for multiple comparisons at the cluster level using Gaussian random field theory. I've noticed other programs such as FSL FEAR pre-select Z threshold and use cluster size as a determining significance factors (e.g. min Z >2.3; cluster significance: p < 0.05, corrected). Can such an approach also be adopted in REST? Regards, Jan R

老师您好： 在用DPARSF转换DCM文件时会出现一下结果： Validating 6721 potential DICOM images. Found 6720 DICOM images. Converting 6720/6720 140 我想问一下这个‘’Converting 6720/6720 140‘’中的140代表了什么？

第一、二图为P=0.01; 第三、四图为P=0.001。

Hi all!