2019
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
2014
Chapter Fourteen Cannabis, Cannabinoids, and the Association with Psychosis
Radhakrishnan R, Addy P, Sewell R, Skosnik P, Ranganathan M, D’Souza D. Chapter Fourteen Cannabis, Cannabinoids, and the Association with Psychosis. 2014, 423-474. DOI: 10.1016/b978-0-12-418679-8.00014-9.Peer-Reviewed Original ResearchPsychotic disordersCannabis exposureComponent causesCannabinoid receptor functionDevelopment of schizophreniaHeavy cannabis exposurePublic health policyCannabinoid exposureTrigger relapsePsychophysiological deficitsCognitive symptomsReceptor functionSchizophreniaHealth policyCannabinoidsPsychosisCannabisLines of evidenceDisordersFurther studiesSymptomsBiological mechanismsExposureIndividual vulnerabilityCause
2010
Efeitos comportamentais, cognitivos e psicofisiológicos dos canabinoides: relevância para a psicose e a esquizofrenia
Sewell RA, Skosnik PD, Garcia-Sosa I, Ranganathan M, D'Souza DC. Efeitos comportamentais, cognitivos e psicofisiológicos dos canabinoides: relevância para a psicose e a esquizofrenia. Brazilian Journal Of Psychiatry 2010, 32: 515-530. PMID: 20512267, DOI: 10.1590/s1516-44462010000500005.Peer-Reviewed Original ResearchConceptsPsychotic disordersCannabis exposureComponent causesCannabinoid receptor functionCauses of schizophreniaHeavy cannabis exposurePublic health policyCannabinoid exposureTrigger relapsePsychophysiological deficitsCognitive symptomsReceptor functionSchizophreniaHealth policyCannabinoidsLines of evidenceDisordersFurther studiesCannabisSymptomsPsychosisBiological mechanismsExposureIndividual vulnerabilityCause