Oxford University Press - Online Resource Centres

Snowden, Thompson and Troscianko: Basic Vision (revised edition)

Chapter 12

How MRI works

http://www.youtube.com/watch?v=9E1GoWhSlho&feature=related

Title says it all!

Single cell recording from a motion sensitive cell in a fly

http://www.youtube.com/watch?v=mJJGZP9Dtq4&feature=watch_response

Shows the tricky art of single cell recording and how difficult it is to isolate the response of a single cell.