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关于经过REHO处理后在xjview上只能显示正激活图片的问 题
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huangyan880410@163.com  
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 More options Nov 20 2011, 10:08 am
From: "huangyan880...@163.com" <huangyan880...@163.com>
Date: Sun, 20 Nov 2011 07:08:51 -0800 (PST)
Local: Sun, Nov 20 2011 10:08 am
Subject: 关于经过REHO处理后在xjview上只能显示正激活图片的问题
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亲爱的XV CUI：你好~
1.我通过f-mri扫描（静息态磁共振的数据包是采用的上海仁济医院的）后得到了数据，再经过REHO处理后得到图片（其图片我仔细对比了你发给我的
example图片，不明显区别）。
2.扫描患者为无明显脑功能异常的患者（即正常人）
3.得到的通过xjview显示的是只有正激活 红色的区域，我发现这里不能发图片，我另发一份邮件到你们这。
 真心希望你们能帮帮我，我每天都会等你们的回复，谢谢啦

 
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Xu Cui  
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 More options Nov 20 2011, 3:20 pm
From: Xu Cui <cuixiao...@gmail.com>
Date: Sun, 20 Nov 2011 12:20:33 -0800
Local: Sun, Nov 20 2011 3:20 pm
Subject: Re: [xjview-discuss-group] 关于经过REHO处理后在xjview上只能显示正激活图片的问题
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我不是很清楚reho，因此不清楚处理后的图片有什么改变。不过没有负激活区也可能是因为负激活没有达到阈值。

崔旭

On Sunday, November 20, 2011, huangyan880...@163.com <huangyan880...@163.com>
wrote:

> 亲爱的XV CUI：你好~
> 1.我通过f-mri扫描（静息态磁共振的数据包是采用的上海仁济医院的）后得到了数据，再经过REHO处理后得到图片（其图片我仔细对比了你发给我的
> example图片，不明显区别）。
> 2.扫描患者为无明显脑功能异常的患者（即正常人）
> 3.得到的通过xjview显示的是只有正激活 红色的区域，我发现这里不能发图片，我另发一份邮件到你们这。
>  真心希望你们能帮帮我，我每天都会等你们的回复，谢谢啦

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--
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Xu Cui
Department of Psychiatry and Behavioral Sciences
Stanford University
Blog: http://www.alivelearn.net
Profile: http://www.peaya.com/p/?cuixu
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Xiao-Wei Song  
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 More options Nov 20 2011, 8:53 pm
From: Xiao-Wei Song <dawnwei.s...@gmail.com>
Date: Mon, 21 Nov 2011 09:53:27 +0800
Local: Sun, Nov 20 2011 8:53 pm
Subject: Re: [xjview-discuss-group] 关于经过REHO处理后在xjview上只能显示正激活图片的问题
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您好，huangyan880...@163.com
，我同意崔博士的猜测。除此之外，用ReHo的结果在除以全脑均值之后，大部分都在1左右，所以在做t检验之前，还需要你减一，因为单样本t检验是和0比。鉴于 你提供的信息有限，我也只能大致猜测你没有减一，希望这能有所帮助。

另外，对于静息态而言，在某种功能连接计算方法之后得到的统计差异明显的区域，可能不能用“激活”这个任务态专用的术语，对于ReHo，可能只能说局部活动的一 致程度相对更高或者更低。

晓伟

2011/11/20 huangyan880...@163.com <huangyan880...@163.com>

--
Xiao-Wei Song
Ping Zhu's Lab, Center for Structural and Molecular Biology
Institute of Biophysics, Chinese Academy of Sciences
15 Datun Road, Chaoyang District, Beijing, China 100101
Tel:  +86-10-64888353, E-mail: dawns...@moon.ibp.ac.cn

 
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