Featured Publications
Differential Cognitive Performance in Females and Males with Regular Cannabis Use
Martin A, D’Souza D, Newman SD, Hetrick WP, O’Donnell B. Differential Cognitive Performance in Females and Males with Regular Cannabis Use. Journal Of The International Neuropsychological Society 2021, 27: 570-580. PMID: 34261548, PMCID: PMC8830784, DOI: 10.1017/s1355617721000606.Peer-Reviewed Original ResearchConceptsRegular cannabis useCannabis useCognitive measuresPsychomotor speedBiological sexHopkins Verbal Learning TestDifferential cognitive performanceNon-using peersVerbal Learning TestMeasures of intelligenceWechsler Abbreviated ScaleDigit symbol testGreatest group differencesVerbal learningDigit spanLearning TestCognitive performanceAbbreviated ScaleNeurocognitive deficitsCognitive deficitsSymbol testCannabis exposurePsychomotor performanceGroup differencesCognition
2021
Altered cerebellar-cortical resting-state functional connectivity in cannabis users
Martin A, Kim DJ, Newman SD, Cheng H, Hetrick WP, Mackie K, O’Donnell B. Altered cerebellar-cortical resting-state functional connectivity in cannabis users. Journal Of Psychopharmacology 2021, 35: 823-832. PMID: 34034553, PMCID: PMC8813046, DOI: 10.1177/02698811211019291.Peer-Reviewed Original ResearchConceptsResting-state functional connectivityNon-using peersCannabis usersCannabis useFunctional connectivityRegular cannabis usersPosterior cingulate cortexAnterior cerebellar regionsNon-motor phenomenaCingulate cortexCerebellar regionsBrain regionsAge of initiationCerebral regionsCerebellar lobulesCortexPeersLifetime useUnbiased atlas templateIndividual voxelsCerebral cortexReceptor densityCognitionCerebellumAtlas template
2019
Individuals with psychosis and a lifetime history of cannabis use show greater deficits in emotional experience compared to non-using peers
Martin A, Lysaker PH. Individuals with psychosis and a lifetime history of cannabis use show greater deficits in emotional experience compared to non-using peers. Journal Of Mental Health 2019, 29: 77-83. PMID: 30822177, DOI: 10.1080/09638237.2018.1487540.Peer-Reviewed Original ResearchConceptsEmotional Expressivity ScaleEmotional experienceSocial Functioning ScaleEmotional expressionAnticipatory pleasureLifetime cannabisSocial functioningGreater deficitsSocial functionCannabis useNon-using peersAnticipation of pleasureExperience of pleasurePoor social functionEmotional expressivityLifetime historyAnticipatory anhedoniaProsocial activitiesActive cannabisPleasure ScaleTemporal experienceHistory of cannabisFunctioning ScaleEarly psychosisPrevious research