2022
Associations Between Cannabis Use, Polygenic Liability for Schizophrenia, and Cannabis-related Experiences in a Sample of Cannabis Users
Johnson E, Colbert S, Jeffries P, Tillman R, Bigdeli T, Karcher N, Chan G, Kuperman S, Meyers J, Nurnberger J, Plawecki M, Degenhardt L, Martin N, Kamarajan C, Schuckit M, Murray R, Dick D, Edenberg H, D’Souza D, Di Forti M, Porjesz B, Nelson E, Agrawal A. Associations Between Cannabis Use, Polygenic Liability for Schizophrenia, and Cannabis-related Experiences in a Sample of Cannabis Users. Schizophrenia Bulletin 2022, 49: 778-787. PMID: 36545904, PMCID: PMC10154717, DOI: 10.1093/schbul/sbac196.Peer-Reviewed Original ResearchConceptsCannabis useAlcohol use disorderCognitive difficultiesSchizophrenia polygenic risk scoresFirst cannabis useDaily cannabis useCannabis usersSocial withdrawalUnusual experiencesCannabis involvementPolygenic risk scoresExpected directionGenetic riskUse disordersIndependent replication sampleLike experiencesGenetic liabilityCannabisSchizophreniaPolygenic riskPolygenic liabilityReplication sampleExperienceAnalytic sampleDisorders
2015
The Formation of Marijuana Risk Perception in a Population of Substance Abusing Patients
Wilkinson ST, van Schalkwyk GI, Davidson L, D’Souza D. The Formation of Marijuana Risk Perception in a Population of Substance Abusing Patients. Psychiatric Quarterly 2015, 87: 177-187. PMID: 25982082, DOI: 10.1007/s11126-015-9369-z.Peer-Reviewed Original ResearchConceptsRisk perceptionSubstance usersIndividual experiencesSample of substanceNegative social consequencesSubstance abuse problemsMarijuana risk perceptionsInductive thematic analysisMarijuana useSemi-structured interviewsPhysical withdrawalSubstance abuseAbuse problemsPerceptionSocial consequencesBehavioral effectsMarijuanaOvert behavioral effectsThematic analysisProminent perspectivesSources of informationParticipantsVeteransExperiencePrevious literature