band pass for fALFF?

Hi, I recently download the REST toolbox. I wonder why the ideal Band Pass option is disabled in fALFF gui? I would think one'd want to band pass for this analysis, like in ALFF analysis?

Also, just want to check. For input files entered in ALFF, fALFF, and RoHe gui, I should use preprocessed data (after realign, slice timing, normalize and smooth?)

Thanks very much.

烦人的白质激活区

各位老师:
你们好!我想请教一个困扰很久的问题,我在处理数据统计ReHo结果时(其实计算其他方面如任务态的激活区也一样),单样本t检验的结果还好,绝大多数统计增高区峰值点在灰质区,可是一做双样本t检验或者配对t检验,统计增高区就会遍布在白质,脑室脑池内等等,而峰值坐标位于灰质区的很少。我想请教老师,这是什么原因啊?以前听老师讲在做双样本或者配对t检验时,要加入协变量,这个怎么实现啊?谢谢老师!