Painting will be very helpful for people with post-traumatic syndrome, or those who are constantly in a stress state. The fact that such activity calms the amygdale, i.e. the area of the brain that is responsible for generating emotions. When you focus on coloring pictures, you give your brain a chance to rest and relax.
Speech therapy coloring is designed to secure the child in the speech of certain sounds. They develop fine motor skills, phonemic hearing, attention, perseverance.