Labyrinth Discussion

Interesting!  The PET studies don’t do what you want, but fMRI (functional magnetic resonance imaging) does.  Over the last few weeks I’ve been trying to repeat the hypermaps for series of images for the same subject – sometimes we’ll get a thousand images of one brain, taken every two seconds.  The plan was to show the subject moving in and out of regions of the map while the subject did red light then blue then red again, etc.  But it wouldn’t work.  Why?  Because they don’t backtrack!  It’s like you said, the flow is always forward.  You can measure it in fMRI.  Thanks for this connection!