At this level, basic skills are acquired for the evaluation and treatment of neurodevelopmental disorders from a neuro-sensorial-motor model integrated in infants and neonates. The stages of motor construction, primitive reflexes and postural responses are observed in special detail. Requirements: physiotherapists member of their professional association or with civil liability insurance and disclosure policy of crimes of a sexual nature (legal requirement in some countries for work with children). Having completed seminars 1 and 2 (Level 1). Joint registration to seminars 3 and 4.