Characterizing psychosis-relevant phenomena and cognitive function in a unique population with isolated, chronic and very heavy cannabis exposure
D'Souza DC, Ganesh S, Cortes-Briones J, Campbell MH, Emmanuel MK. Characterizing psychosis-relevant phenomena and cognitive function in a unique population with isolated, chronic and very heavy cannabis exposure. Psychological Medicine 2019, 50: 2452-2459. PMID: 31615592, DOI: 10.1017/s0033291719002721.Peer-Reviewed Original ResearchConceptsSchizotypal Personality QuestionnaireCognitive performanceCannabis exposureTests of attentionComputerized cognitive batteryVisuo-spatial processingHigher SPQ scoresSubstance use/misuseWorse cognitive performanceHeavy cannabis exposureLarge effect sizesUse/misuseCognitive flexibilityVerbal memoryCognitive batteryCognitive functioningPsychomotor speedSPQ scoresCognitive functionCognitive deficitsCannabis usersPersonality QuestionnaireCannabis useUse of cannabisEarly cannabis