2017
Composite impulsivity-related domains in college students
Khadka S, Stevens MC, Aslanzadeh F, Narayanan B, Hawkins KA, Austad CS, Raskin SA, Tennen H, Wood RM, Fallahi C, Potenza MN, Pearlson GD. Composite impulsivity-related domains in college students. Journal Of Psychiatric Research 2017, 90: 118-125. PMID: 28273441, DOI: 10.1016/j.jpsychires.2017.02.016.Peer-Reviewed Original ResearchConceptsConfirmatory factor analysisAttention deficit hyperactivity disorderCollege studentsImpulsivity-related constructsImpulsivity/compulsivityComputerized behavioral measuresDeficit hyperactivity disorderImpulsivity-related behaviorsSelf-report assessmentsSubsequent psychometric analysesHyperactivity disorderBehavioral measuresDistinct constructsImpulsive actionAppetite motivationMultidimensional constructMultiple regression analysisDisorder riskNaturalistic frameworkSimilar analytical approachPsychometric analysisFactor analysisFuture researchIndependent samplesCurrent study
2015
Cognition in individuals at risk for Parkinson's: Parkinson associated risk syndrome (PARS) study findings
Chahine M, Weintraub D, Hawkins KA, Siderowf A, Eberly S, Oakes D, Seibyl J, Stern MB, Marek K, Jennings D, Investigators T. Cognition in individuals at risk for Parkinson's: Parkinson associated risk syndrome (PARS) study findings. Movement Disorders 2015, 31: 86-94. PMID: 26293177, PMCID: PMC4827252, DOI: 10.1002/mds.26373.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAnxietyAttentionCocaineCognition DisordersCohort StudiesExecutive FunctionFemaleHumansLanguageMaleMemoryMiddle AgedNeurogenic BowelNeuropsychological TestsOlfaction DisordersParkinson DiseaseProtein BindingRadiopharmaceuticalsSelf ReportSeverity of Illness IndexStatistics, NonparametricSurveys and QuestionnairesTomography, Emission-Computed, Single-PhotonVisual PerceptionConceptsExecutive function/Global cognitionRelative impairmentSpecific cognitive domainsSpeed/attentionGlobal cognitive abilityNeuropsychological test batteryLower global cognitionFunction/Cognitive abilitiesCognitive domainsCognitive profileVisuospatial abilitiesLanguage domainsCognitive testingTest batteryCognitionNormative scoresMemoryLower mean scoresHealthy adultsNon-motor featuresIndividualsStudy findingsNon-motor symptoms
2014
Genetic association of impulsivity in young adults: a multivariate study
Khadka S, Narayanan B, Meda SA, Gelernter J, Han S, Sawyer B, Aslanzadeh F, Stevens MC, Hawkins KA, Anticevic A, Potenza MN, Pearlson GD. Genetic association of impulsivity in young adults: a multivariate study. Translational Psychiatry 2014, 4: e451-e451. PMID: 25268255, PMCID: PMC4199418, DOI: 10.1038/tp.2014.95.Peer-Reviewed Original Research