• 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...
    6221 reads
  • 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...
    5588 reads
  • 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。
    9323 reads
  • Sat, 03/10/2012 - 20:52Xiao-Wei Song
    This 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...
    3908 reads
  • Fri, 03/09/2012 - 20:17Xiao-Wei Song
    This 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...
    3816 reads
  • Thu, 03/08/2012 - 21:06Xiao-Wei Song
    This 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...
    3455 reads
  • Wed, 03/07/2012 - 16:00jigongjun
    1. 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 -...
    3220 reads
  • Tue, 03/06/2012 - 20:26Xiao-Wei Song
    This 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...
    3575 reads
  • 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,...
    3979 reads
  • 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!
    9390 reads