Pacifier Activated Device and Mother's Voice in Infants at High-risk for Cerebral Palsy

Inclusion Criteria: * PMA at enrollment \>32 6/7 and \<42 AND * Diagnoses of Grade III/IV IVH, hydrocephalus or PVL, neonatal encephalopathy or thrombosis/infarct with involvement of the posterior limb of the internal capsule OR * Abnormal GMA by certified study staff and masked gold-standard reading Exclusion Criteria: Infants cannot be * on assisted ventilation * receiving more than 50% of their feeds orally averaged over the 72 hours prior to study start * receiving less than 50% of their feeds enterally * receiving enteral feed for greater than 60 min. * considered medically unsafe to feed orally by the medical or feeding team as defined by unit/clinical protocol