There are the rare times when the RMT movements do not seem to have a calming effect. I recently took a course presented by Dr. Blomberg named Autism and Diet. He spoke about the concerns in the body when individuals are allergic to casein and gluten. He indicated that what can happen is there can be a build up in the body of glutamate and this may cause lots of effects such as:
- body spinning or rocking
- hand flapping
- mechanically lining things up or spinning toys
- echolalia (mechanically repeating what others say)
- perseveration (repetition of a particular response, etc.
Dr. Blomberg suggests that gradually eliminating casein and gluten from the diet can lead to improvements in these above noted symptoms. (Blomberg, Harald. Rhythmic Movement Training and Diet in Autism Course. January 2012.)