Hi! My DD also scored a 107 on WM and received a higher score of 121 on PS. She had a gap of 40 points between her WM score and her PR. She is 2e and has a diagnosis of ADHD inattentive type. The psychologist who tested her said her scores were reflective of that profile. I'm not in any way trying to imply your son has ADHD though. Working memory involves the ability to remember multi-step directions and remember and mentally manipulate numbers or verbal information. The good news is working memory is something that can be improved on. There are tons of "brain training" type games that can help increase working memory function.
This is the definition Pearson gives for working memory "Working memory is the cognitive function responsible for keeping information online, manipulating it, and using it in your thinking. It is the way that you delegate the things you encounter to the parts of your brain that can take action. In this way, working memory is necessary for staying focused on a task, blocking out distractions, and keeping you updated and aware about what’s going on around you."
