2016
Understanding the covariation of tics, attention‐deficit/hyperactivity, and obsessive‐compulsive symptoms: A population‐based adult twin study
Pinto R, Monzani B, Leckman JF, Rück C, Serlachius E, Lichtenstein P, Mataix‐Cols D. Understanding the covariation of tics, attention‐deficit/hyperactivity, and obsessive‐compulsive symptoms: A population‐based adult twin study. American Journal Of Medical Genetics Part B Neuropsychiatric Genetics 2016, 171: 938-947. PMID: 26919823, DOI: 10.1002/ajmg.b.32436.Peer-Reviewed Original ResearchConceptsAttention-deficit/hyperactivityObsessive-compulsive symptomsObsessive-compulsive disorderTic disordersChronic tic disorderAttention-deficit/hyperactivity symptomsSwedish adult twinsNon-shared environmental influencesPopulation-representative sampleLarge population-representative sampleSymptomsSpecific non-shared environmental influencesEnvironmental influencesFamilial associationSymptom subtypesEpidemiological sampleHyperactivity symptomsHyperactivityFamilial transmissionDisordersEtiological influencesLiability factorsFamily studiesGenetic liability
1986
Gilles de la Tourette's syndrome: tics and central nervous system stimulants in twins and nontwins.
Price R, Leckman J, Pauls D, Cohen D, Kidd K. Gilles de la Tourette's syndrome: tics and central nervous system stimulants in twins and nontwins. Neurology 1986, 36: 232-7. PMID: 2868428, DOI: 10.1212/wnl.36.2.232.Peer-Reviewed Original Research