Autistic DisorderChild Development Disorders, PervasiveAsperger SyndromeReflex, AcousticCatatoniaSpectrum AnalysisCommunication DisordersLanguage TherapyFourier AnalysisSignal Processing, Computer-AssistedUltrasonographyUltrasonicsFetal Alcohol Spectrum DisordersSocial BehaviorInterpersonal RelationsEthylmercuric ChlorideDevelopmental DisabilitiesElectroencephalographyBipolar DisorderMental DisordersLanguage Development DisordersAttention Deficit Disorder with HyperactivityAlgorithmsDiagnostic and Statistical Manual of Mental DisordersAnxiety DisordersMood DisordersIntellectual DisabilityHeart RateFaciesNoonan SyndromeChild Behavior DisordersBrainWilliams SyndromeMotor Skills DisordersPhenotypeThimerosalPsychiatric Status Rating ScalesAbnormalities, MultipleChild BehaviorMutationCraniofacial AbnormalitiesLanguage DisordersSpectrum Analysis, RamanSyndromeDepressive Disorder, MajorPregnancyObsessive-Compulsive DisorderCognition DisordersNeuropsychological TestsPsychotic DisordersCase-Control StudiesLearning DisordersSchizophreniaChild WelfareDisabled ChildrenDepressive DisorderHand Deformities, CongenitalMagnetic Resonance ImagingComorbidityPedigreePrevalenceRett SyndromeSeverity of Illness IndexHearing Loss, CentralNervous System Malformations