All posts in category Programming

Example use of DTIprep for DWI Quality Checking

In a previous post, we covered using DTIprep for preprocessing of diffusion weighted imaging (DWI) data.  I’ve written a quick script (below) to automate DTIprep for the purposes of running the default QC check.  My workflow has DICOM data automatically downloaded from our PACS server, then automatically converted to NIFTI format, and then organized in the […]

R for MRI Lovers (Part 2)

Writing this post after the first in the series may seem somewhat backwards!  Last time we covered reading in data from individual subjects and plotting them as box plots with error bars in R.  This time we’ll do something even more straightforward – plotting ROI group effects.  If you haven’t already read it, there are […]

R for MRI Lovers (Part 1)

Like many scientists, I learned SPSS a long long time ago.  It was free and installed on any computer at my undergraduate institution.  And like many people, I found the pull-down menus useful and sometimes endearing.  But when I went to grad school I was thrust into a world of using SAS.  Many a groans […]

Year 1 Reflection

I really started investing in this blog in November 2012.  In the first month it received 12 hits.  In the second month, it also received 12 hits.  But as we’ve added more content over the past year, the number of hits has continued to go up.  And I’m very happy that today, we celebrate more […]

Finding ERP Noise Outliers

There are plenty of points in ERP data analysis that can be subjective.  But that doesn’t mean that they have to be!  One subjective point is determining the noise level of your subjects.  If you’re using Net Station (EGI), you can check an option in the “Averaging” Waveform tool to calculate noise estimates.  This will […]