Movement Enhancing Device for Children

Inclusion Criteria: • Infants will be invited to participate if they are between 1 month and 6 years and: * Were born \< 36 weeks of gestational age with periventricular leukomalacia or grade III or IV intraventricular hemorrhage * Were born \> 36 weeks of gestational age with encephalopathy related to perinatal asphyxia * Have the diagnosis of neonatal stroke or intracranial hemorrhage * Have brachial plexus palsy * Have arthrogryposis multiplex congenital * Have Down syndrome * Have congenital hypotonia Exclusion Criteria: • blindness or severe sensory motor impairments that would prohibit the child from completing the study assessment.