Hi Ray,
following a collection of feedbacks from different people (in the field and not), we come to the conclusion that the brain is not always recognized as so...
Therefore Nataly came out with a possible solution (see attached example 1), but in this case the shadow (representing the diseased state) should be behind the head. Also, the neuron should be turned around in order to make the emerging branch to correspond with the theta wave.
Clearly mate, this is just an idea... the rest should be done by your creativity and inspiration!
Let me know how does it sound for you!
Regards,
Max