Therefore, the negative thoughts and feelings of the traumatic event are trapped in the nervous system. Since the brain cannot process these emotions, the experience and/or its accompanying feelings are often suppressed from consciousness. However, the distress lives on in the nervous system where it causes disturbances in the emotional functioning of the person.
The right side is the hemisphere that does more intuitive thinking and is more fantasy oriented. So drawing, painting, singing, and any other form of artistic expression for that matter, does access the right side hemisphere. In fact, Art Therapy facilitates communication between the right and left hemispheres, by guiding the right brain process of the client through left brain instructions from the therapist, allowing the brain to process the traumatic experience as a normal memory. This is why, even if the client never talks about the experience, they do feel better after an Art Therapy session. The traumatic experience slowly becomes a normal memory instead of a trauma and the negative effect the trauma had on the person's emotional life slowly disappears.