[3] Chapman began her career in the 1970s as a speech pathologist, where she often worked with autistic children with high support needs.
During this time, Chapman noticed that several of the children with high support needs were able to solve complex puzzles despite their perceived deficits.
[4] Chapman was the principal member writing the first state plan for Brain Health fitness for adults.
[16] She is a core member for NIH's selection process of central data elements for nationwide clinical trials on acquired brain injury.
Chapman has also published Make Your Brain Smarter, a book of mind improvement strategies.