Intensive Interaction is described as an approach to building a framework for communication with others who are in ‘the early stages of communicative development’. It has been used most widely with individuals who have both ASD and global learning disability. The approach was developed by Phoebe Caldwell, a British therapist who has been using it with individuals with severe learning disabilities for over 35 years. It is more pragmatic than theoretical in its origins but draws for its theoretical rationale on the clinical and research literature on early social interaction (see, for review: Trevarthen and Aitken
2001). …
