Age of OnsetPedigreeMutationAlzheimer DiseaseTime FactorsCerebellar AtaxiaPhenotypeGenetic Predisposition to DiseaseAge FactorsGenotypeInfant, NewbornDNA Mutational AnalysisAllelesRisk FactorsBrainSural NerveSpinocerebellar DegenerationsHeterozygoteRetrospective StudiesOrnithine Carbamoyltransferase Deficiency DiseaseCase-Control StudiesFamily HealthHomozygoteMyelin P0 ProteinCharcot-Marie-Tooth DiseaseSeverity of Illness IndexGenes, DominantPre-EclampsiaOsteochondrosisHeterozygote DetectionMagnetic Resonance ImagingMutation, MissensePregnancyApolipoproteins EGenes, RecessiveGenetic LinkageGenetic TestingSepsisPolymorphism, GeneticSyndromeGene FrequencyParkinson DiseaseDisease ProgressionGlucose Metabolism DisordersStreptococcus agalactiaeAtaxiaExonsDisease Models, AnimalCohort StudiesFriedreich AtaxiaFollow-Up StudiesPolymorphism, Single NucleotideProspective StudiesPresenilin-1Molecular Sequence DataPolymerase Chain ReactionInfant, Premature, DiseasesRetinal DystrophiesAtrophyRegression (Psychology)Cerebrospinal Fluid OtorrheaHuntington DiseaseHaplotypesSex FactorsDystonia Musculorum DeformansIncidenceIntensive Care Units, NeonatalBase SequencePoint MutationLod ScoreTreatment OutcomeAdrenarcheLongitudinal StudiesMice, TransgenicPresenilin-2Mice, KnockoutDiabetes Mellitus, Type 1Labor OnsetLeukodystrophy, MetachromaticFatal OutcomeStreptococcal InfectionsMuscular DystrophiesGestational AgeAmyloid beta-Protein PrecursorNeuropsychological TestsNational Institute on Aging (U.S.)Germ-Line MutationApolipoprotein E4AgingMembrane ProteinsElectroencephalographyInfant, PrematurePrognosisAnalysis of VarianceNeuromuscular DiseasesMice, Inbred C57BLBrain DiseasesAmyloid beta-PeptidesNerve DegenerationDNA