The general movement and the electroencephalogram analysis of the preterm have a high predictive value of the neuro-developmental outcome of the infants.

Compare the technical and the predictive characteristics of the qualitative analysis of the spontaneous motility with those of actual exams of reference diagnosis : magnetic resonance imaging, electroencephalogram and transfontanellar imaging.

Inclusion Criteria:

• Children been born between 15/01/08 and 15/01/10
• children whose term is lower than 28 weeks of amenorrhoea

Exclusion Criteria:

• Born child superior to 28 weeks of amenorrhoea
• presenting child a genic syndrome, an evolutionary neurological disease, a pathology malformative