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Mon, 03/12/2012 - 09:38cappuccinoxt老师您好! 在臧老师07年发表的论文中(Altered baseline brain activity in children with ADHD revealed by resting-state functional MRI.Brain Development, 2007),统计部分two-sample t test采用了uncorrected的校正方式(A two-sample t-test was performed to see the ALFF difference between the...6332 reads
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Sun, 03/11/2012 - 13:18Chen0075请教一个问题,不知道这种做法是否正确? 目的是:测量皮下灰质核团在T1WI上的信号强度(signal intensity) 方法:用VBM5分割配准了T1WI结构像(不做smooth),然后利用WFU生成了MASK,最后应用REST软件里Extrat ROI series功能提取感兴趣区的signal。这整个过程能跑下来。 但,请问:提取出来的ROI相关信号,是否就是我要的信号强度,还是指该ROI的volume/density?如果是后者,为了达到目的,应该怎么调整做法(还是想应用REST的Extrat ROI...5696 reads
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Sat, 03/10/2012 - 22:00demonpupil各位老师好: 我用Rest power spectrum计算了一个被试的功率谱,碰到如下问题:(1)我使用的功能相数据是FunImgNormalizedDetrended里面的数据,不知可否? (2)在功率谱中(附件中有图)纵坐标amplitude是指幅度,但是它的单位是微伏还是皮伏? (3)在附件图中的左下角有三个数字,被括号括起来(31,43,25),它不应该是坐标吧,因为我设的坐标不是这个。9712 reads
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Sat, 03/10/2012 - 20:52Xiao-Wei SongThis message contains My NCBI what's new results from the National Center for Biotechnology Information (NCBI) at the U.S. National Library of Medicine (NLM). Do not reply...4001 reads
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Fri, 03/09/2012 - 20:17Xiao-Wei SongThis message contains My NCBI what's new results from the National Center for Biotechnology Information (NCBI) at the U.S. National Library of Medicine (NLM). Do not reply...3922 reads
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Thu, 03/08/2012 - 21:06Xiao-Wei SongThis message contains My NCBI what's new results from the National Center for Biotechnology Information (NCBI) at the U.S. National Library of Medicine (NLM). Do not reply...3531 reads
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Wed, 03/07/2012 - 16:00jigongjun1. Epilepsy as a Disorder of Cortical Network Organization Mark A. Kramer- The Neuroscientist http://nro.sagepub.com/content/early/2012/01/06/1073858411422754.abstract 2. Functional imaging of seizures and epilepsy: evolution from zones to networks H Laufs -...3296 reads
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Tue, 03/06/2012 - 20:26Xiao-Wei SongThis message contains My NCBI what's new results from the National Center for Biotechnology Information (NCBI) at the U.S. National Library of Medicine (NLM). Do not reply...3670 reads
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Tue, 03/06/2012 - 13:08ZHANG_RESTadmin以下为转发的会议通知: 各位新老学员:大家好! 美德医疗在大家的支持和鼓励下,不断推出新的培训课程,尤其在多次举办功能磁共振专项培训中积累了很多经验,为各学科人才在科研工作中提供学习和交流新技术的机会,得到了业内人士的高度肯定,fMRI的培训班已经日趋常规和系统化,每年都会举办至少两期。其中我们很多学员都学有所成,取得了骄人的成绩,我们也倍感欣慰。经过和学员以及几位授课专家总结经验,制订了2012年春季培训方案,推出全新的课程方案和内容,经过各位讲师的认真准备,在ISMRM会议后,各位讲师从澳大利亚赶赴北京,...4042 reads
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Tue, 03/06/2012 - 10:56Chen0075用DPARSF跑完数据后,怎么查看六个头动参数(具体的数值):x translation, y translation, z translation, pitch (degree), roll (degree), yaw (degree), 以用于比较组间头动参数是否存在差异。 是否DPARSF里有与这六个参数一一对应的结果报告? 谢谢!9716 reads