Developmental Trajectory of a Toddler with PACS1 Syndrome: A Longitudinal Descriptive Case Study. Data set.

This is the dataset used for the study entitled "Developmental Trajectory of a Toddler with PACS1 Syndrome: A Longitudinal Descriptive Case Study". This dataset contains the results obtained in the different standardized tests and questionnaires employed in the study in each evaluation moment. The study aimed to conduct a detailed characterization of the profile of early psychological development in PACS1 syndrome. It also sought to raise awareness of this rare syndrome. A boy with PACS1 syndrome was longitudinally assessed at 24, 30, 36, 42 and 48 months of age. His cognitive, motor, linguistic and socio-communicative development, as well as his adaptative behaviour and sensory profile. At 51 months, symptoms compatible with Autism Spectrum Disorder (ASD) were also explored.