Talksy

Talksy

Oliver Sacks on visual and audial hallucinations:
http://www.ted.com/talks/oliver_sacks_what_hallucination_reveals_about_our_minds.html 

Also this one: (It would seem, there IS hope for our festering minds!)
http://www.ted.com/talks/michael_merzenich_on_the_elastic_brain.html