Intergenerational RelationsChild of Impaired ParentsMother-Child RelationsParent-Child RelationsMothersParentingObject AttachmentParentsLongitudinal StudiesModels, PsychologicalInterpersonal RelationsFamilyRisk FactorsSex FactorsSocial MobilityFathersProspective StudiesAgeismSynaptic TransmissionCodependency (Psychology)Father-Child RelationsTrinucleotide Repeat ExpansionAdult ChildrenDisease Transmission, InfectiousTrinucleotide RepeatsCohort EffectMyotonic DystrophyInfectious Disease Transmission, VerticalChild Rearing