Inclusion Criteria:  Patient at a participating neonatal intensive care unit (NICU) Early Developmental Clinic, outpatient physical and occupational therapy clinic and stroke clinic Present with an abnormal Hammersmith Infant Neurological Exam (HINE), General movements assessment (GMA), Hand Assessment of Infants (HAI) or brain injury detected by magnetic resonance imaging (MRI) Hammersmith Infant Neurological Exam (HINE) Aarm asymmetry score of greater than or equal to 2 and/or neuroimaging consistent with perinatal involvement Parent/legal guardian is able to provide informed consent  Exclusion Criteria:  Congenital malformation of the brain or musculoskeletal system (MSK)