I did this: Bill Harris Centerpointe Research Institute Home https://www.centerpointe.com/?cookieUUID=9f83132f-f43a-48b4-83e4-68eb551b6ae0
It was pricy. Kind of annoying that they charge so much. I am sure there is an inexpensive one that is comparable, but I haven't learned of it.
You cannot advance to the upper levels until you build your brain wiring at the lower levels. Following the instructions is important. Even just the first level is wonderful. I didn't do it often enough, so I continued at that entry level for twice as long as they recommended before I advanced.
I also read Thresholds of the Mind. https://www.amazon.com/dp/0972178015/ref=cm_sw_r_apan_i_345BGVYXQW954TXADDAG
I did this: Bill Harris Centerpointe Research Institute Home https://www.centerpointe.com/?cookieUUID=9f83132f-f43a-48b4-83e4-68eb551b6ae0
It was pricy. Kind of annoying that they charge so much. I am sure there is an inexpensive one that is comparable, but I haven't learned of it.
You cannot advance to the upper levels until you build your brain wiring at the lower levels. Following the instructions is important. Even just the first level is wonderful. I didn't do it often enough, so I continued at that entry level for twice as long as they recommended before I advanced.
I also read Threshholds of the Mind.