The mind is more than a singular entity, it is made up of a lot of processes each with their own evolved purposes and ways of looking at things, but also their own limitations as regards expression of their state. Understanding what each part is saying, and why it is saying it, can help integrate and align the components towards the same goal.
Think of it like a meeting, where everyone there has their own narrow view of what's going on in the business and what they think needs to happen is based on that, so during the meeting you're sharing all your different perspectives so you can make an informed decision and orient everyone towards a plan of action. Doesn't always work and not everybody walks away happy, but they're generally satisfied with at least being heard.
Something fascinating I think we're just getting to the point of being able to explore is taking the words, colors, artistic expressions, etc. that we come up with in examining our emotional state, and feeding them into an AI like stable diffusion. I can't help but think there is real potential here that could be very empowering to patients and help people manage their thoughts and emotions in a personal, healthy way.
So the purpose of the exercise is to communicate information between different parts of the brain?
Does it really help? If so, do you have any explanation for the underlying mechanisms? Metaphors are convenient, but unless they're a proxy-explanation for some harder-to-understand mechanisms, I don't really see their value...