Centers and Hydrogens

A study guide meant to amplify Gurdjieff’s explanation of the Octave of Impressions for use in class discussions. Continuing thoughts about higher hydrogens; the continuity of centers and higher centers; logical descriptions of octaval process, purpose and products in thought life; color diagrams; tasteless humor; extensive reference to In Search of the Miraculous and other papers listed here; nomenclature from Brain Systems is used.

The Development of Hydrogens Through the Octave of Impressions
The ESS (Experiential Sensation System) Center 6, Center 7
Utilization of Hydrogens by Centers
Development of an Octave of Impression — 3rd Being Food
The Cycle of Development of the Impression Octave