Inclusion Criteria:  Healthy newborns, boys and girls, aged 3 months Uncomplicated pregnancy and delivery, APGAR scores >8 Full-term birth without identified neuromotor problems at birth No congenital or developmental anomalies affecting the brain No reported history of neurological disorders or learning disabilities in the infants No reported specific visual, developmental and cognitive impairment Absence of medication having a cerebral or psychological impact Both parents/ legal guardian must provide their consent and signature prior to participation of their infant in the study  Exclusion Criteria:  Severe congenital malformation Infants requiring a corrective surgery Any refusal of a parent Infants with severe impairment of the general condition and vital functions Infants with dermatitis of the face or scalp Infants who receive neurological treatment Infants born pre-term (birth before 37 weeks gestation) Infants whose mothers have significant medical conditions and/or had significant complications during pregnancy Infants who are adopted, Infants who have a first degree relative with autism, intellectual disability, schizophrenia, or bipolar disorder, Infants who have any significant medical and/or genetic conditions affecting growth, development, or cognition, Infants who have any contraindication to MRI (metallic object, surgical material like cochlear implant) Maternal pre- eclampsia, placental abruption, maternal HIV status, and maternal alcohol or illicit drug use during pregnancy.