Kira Grogg · this is what i do

A couple interesting cartoons vaguely related to work I do. 

Functional imaging is tricky to say the least: 

So many assumptions go into the scans, and then the statistical tests needed to make sense of them....

At least FMRI usually detects changes in signal (usually just local blood flow).

 Radiation therapy is impressive.  

Is it ironic (or perhaps natural) that two of the methods of detecting cancer -- Positron Emission Tomography (PET) and x-ray computed tomography (CT) -- and two of the methods of killing cancer -- radiation therapy and chemotherapy -- also have the potential to cause cancer?

And one for the physicists:

Tags: MRI, Imaging, science, xkcd