Lesser Key of Solomon (Goetia) - De Laurence Edition

These consist of:
(1) Sight:
The circle, square, triangle, vessels, lamps, robes, implements, etc.
(2) Sound:
The invocations The spoken or chanted calls to spirits..
(3) Smell:
The perfumes Incense and aromatic oils used in ritual..
(4) Taste:
The Sacraments Ritual food or drink consumed during the ceremony..
(5) Touch:
As listed under (1).
(6) Mind:
The combination of all these and reflection on their significance.

These unusual sensory impressions (1–5) produce unusual changes in the brain; therefore, their summary (6) is of an unusual kind. The way the mind projects this experience back into the seemingly physical world is, as a result, unusual.

This, then, is the reality of the operations and effects of ceremonial magic¹—and I believe this explanation is more than sufficient, as far as the "effects" refer only to those phenomena which appear to the magician himself: the appearance of the spirit, his conversation, possible shocks resulting from carelessness, and so on, ranging from spiritual ecstasy on one hand to death or madness on the other.

But can any of the specific effects described in our book, the Goetia original: "Goetia"; a Greek-derived term for "sorcery" or "low magic," specifically referring to the summoning of demons., actually be obtained? And if so, can you give a rational explanation for how? Do you ask this?
I can, and I will.

The spirits of the Goetia are portions of the human brain.

¹ Apart from its value in obtaining one-pointedness A state of total mental focus or concentration..