SyndromeDevelopmental DisabilitiesChild DevelopmentRett SyndromeInfant, NewbornMethyl-CpG-Binding Protein 2Nervous System DiseasesAutistic DisorderPsychomotor DisordersDown SyndromeInfant, Extremely Low Birth WeightInfant, PrematureCerebral PalsyMetabolic Syndrome XWilliams SyndromeInfant, Premature, DiseasesBrainLeukomalacia, PeriventricularIntellectual DisabilityChild Development Disorders, PervasiveSchizophreniaAngelman SyndromePregnancyNervous SystemPrenatal Exposure Delayed EffectsNeurologic ExaminationAbnormalities, MultipleNephrotic SyndromePrader-Willi SyndromeSjogren's SyndromeInfant, Extremely PrematureAsphyxia NeonatorumMagnetic Resonance ImagingLearning DisordersGestational AgeFollow-Up StudiesEchoencephalographyTurner SyndromeMotor Skills DisordersInfant, Very Low Birth WeightAgenesis of Corpus CallosumIntelligenceNeuropsychological TestsPhenotypeBrain DiseasesHypoxia-Ischemia, BrainTourette SyndromeBrain Damage, ChronicCognition DisordersRisk FactorsIntelligence TestsRespiratory Distress Syndrome, NewbornDisease Models, AnimalMyelodysplastic SyndromesCentral Nervous System DiseasesNervous System MalformationsCushing SyndromeBronchopulmonary DysplasiaMutationMicrocephalyAcute Coronary SyndromePolycystic Ovary SyndromeProspective StudiesMercury Poisoning, Nervous SystemSeizuresHypoplastic Left Heart SyndromeNorwood ProceduresDiGeorge SyndromeTreatment OutcomeCerebral VentriclesHorner SyndromeCohort StudiesCognitionLong QT SyndromeFetal Alcohol Spectrum DisordersPedigreeHeredodegenerative Disorders, Nervous SystemCase-Control StudiesChromosomes, Human, Pair 15Guillain-Barre SyndromeMotor SkillsMacrocephalyHemolytic-Uremic SyndromeMethylmercury CompoundsInfant, Newborn, DiseasesGenetic Predisposition to DiseaseAnimals, NewbornTime FactorsSeychellesFaciesHydrocephalusCompartment SyndromesHeart Defects, CongenitalNeuronsAntiphospholipid SyndromeChromosomes, Human, Pair 22Retrospective StudiesSpasms, InfantileBehavior, AnimalPorcine Reproductive and Respiratory Syndrome