Ważne pytania: "Mózg a świadomość według Stanislava Grofa "
'Understanding Consciousness Evolution' - Bruce Lipton and Tom Campbell Summit
Anthony Paul Moo-Young - 'The Sense of a Doer and Free Will'
Jiddu Krishnamurti - 'The Content of One's Consciousness'
Krishnamurti - Brain Seminar 1 of 3 - June 08th 1984