This project aims to identify mechanisms in the neurodevelopmental trajectory leading the premature child to develop neurodevelopmental deficits (e.g. language and/or motor disorder, intellectual disability) Some risk factors, such as low birth weight, the presence of infections, and altered brain growth (CC), have been identified, but the extent of their consequences is still poorly understood (Lee et al., 2016). The objectives of the study are to assess brain growth and cerebral plasticity (CP; mechanism underlying CC) in very premature babies (24-29 weeks gestation) with MRI and EEG in the child’s first year of life. The cognitive functioning of children will also be established using standardized developmental battery.