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
1997
Obsessive-compulsive disorder with and without tics in an epidemiological sample of adolescents
Zohar AH, Pauls DL, Ratzoni G, Apter A, Dycian A, Binder M, King R, Leckman JF, Kron S, Cohen DJ. Obsessive-compulsive disorder with and without tics in an epidemiological sample of adolescents. American Journal Of Psychiatry 1997, 154: 274-276. PMID: 9016283, DOI: 10.1176/ajp.154.2.274.Peer-Reviewed Original ResearchConceptsObsessive-compulsive disorderEpidemiological sampleObsessive-compulsive spectrum disordersYale-Brown Obsessive Compulsive ScaleObsessive Compulsive ScaleYale-Brown scaleSpectrum disorderSexual imagesCompulsive ScaleChild psychiatristsDiagnostic InterviewAdolescentsComorbid ticsSex differencesDisordersTourette syndromeInterviewsGilles deAdulthoodObsessionGirlsBoysScale