Noetic and Nonrepresentational

Noetic adjective - Of or associated with or requiring the use of the mind.

Nonrepresentational and noetic are semantically related. In some cases you can replace term "Nonrepresentational" with "Noetic", this adjectives are similar.

Nonrepresentational adjective - Using elements of form (as color, line, or texture) with little or no attempt at creating a realistic picture.

Noetic and nonrepresentational are semantically related. You can use "Noetic" instead an adjective "Nonrepresentational".