I believe that Isaiah is in stage IV of browns stages of development from the Syntactical
Analysis. He had a lot of his utterances classified in stage III but i think that is partly to
do with what questions I asked.
Reference: Edeal, D. M. & Gildersleeve-Neumann, C. E.(2011). The Importance of Production
Frequency in Therapy for Childhood Apraxia of Speech. American Journal of Speech-Language
Pathology. 20, 95-110.
Deletion of Genetic Material from a specific region of chromosome
Deleted region includes 26 to 28 genes
CLIP2, GTF2I, GTF2IRD1, LIMK1 (Visual-Spacial Tasks)