Researchers working in MRI often compare one MRI technique against another, or an MRI technique against another method of measuring the same quantity. Comparing methods of measurement for agreement requires careful statistical analysis. It is easy to choose the wrong statistical test for this problem. Let’s briefly consider correlation, regression, and the t test for comparing methods, and learn why these techniques are not the most appropriate way of comparing methods for agreement. Then we’ll see why the bias plot does the job properly. Continue Reading »
A sample of pathological liars have more white matter than normal or antisocial controls, according to an MRI study published in the British Journal of Psychiatry. Continue Reading »
Get 15 nuns to relive their most religious/spiritual/mystical experience ( “RSMEs”), and use fMRI to see which parts of their brains get involved. Continue Reading »
In the course of developing ReviseMRI.com, I’ve read lots about how to make an interesting, interactive web site which is user (and browser) friendly. The biggest noise made about this concerns web standards.
If you’re designing websites, the following may provide some interesting reading. (If not…maybe skip this post.) Continue Reading »
