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
1991
Clonidine Treatment of Gilles de la Tourette's Syndrome
Leckman JF, Hardin MT, Riddle MA, Stevenson J, Ort SI, Cohen DJ. Clonidine Treatment of Gilles de la Tourette's Syndrome. JAMA Psychiatry 1991, 48: 324-328. PMID: 2009034, DOI: 10.1001/archpsyc.1991.01810280040006.Peer-Reviewed Original ResearchConceptsGilles de la Tourette's syndromeLa Tourette's syndromeClonidine treatmentTourette syndromeTic severityDouble-blind clinical trialMotor tic severityClinical trialsClonidine hydrochlorideBehavioral symptomsClinical ratingsSyndromeMagnitude of responseClonidineTreatmentParent-rated measuresSeveritySubjectsPlaceboVideotaped interviewGroupSymptomsCliniciansHyperactivityTrials