2023
The Acute Effects of Cannabinoids in Patients with Psychotic Illness
Ganesh S, Henquet C, Sewell R, Kuepper R, Ranganathan M, D’Souza D. The Acute Effects of Cannabinoids in Patients with Psychotic Illness. 2023, 225-239. DOI: 10.1017/9781108943246.023.Peer-Reviewed Original ResearchMental illnessMental health teamsHealth policy implicationsHigh-potency cannabisStages of neurodevelopmentPotential adverse effectsAcute effectsHealth teamsPsychotic illnessImpact of exposureCannabis dependenceAdverse effectsIllnessCannabisCannabinoidsSynthetic cannabinoidsPsychosisNew research findingsAssociationComplex associationPatientsNeurodevelopmentPutative modelSchizophrenia
2018
The Psychiatric Consequences of Cannabinoids
De Aquino JP, Sherif M, Radhakrishnan R, Cahill JD, Ranganathan M, D'Souza D. The Psychiatric Consequences of Cannabinoids. Clinical Therapeutics 2018, 40: 1448-1456. PMID: 29678279, DOI: 10.1016/j.clinthera.2018.03.013.Peer-Reviewed Original ResearchConceptsPsychiatric effectsPsychiatric disordersPre-existing psychiatric disordersCannabis useLong-term brain changesRates of cannabisNegative psychiatric outcomesNegative psychiatric effectsDose-dependent effectPublic mental healthCannabinoid exposureWithdrawal syndromeCannabis exposureAcute effectsBrain changesMood disordersPsychiatric outcomesGeneral populationPsychomotor functionHealthy individualsMedical cannabisPsychiatric consequencesChronic exposureSignificant impairmentMental health
2015
Δ9-THC Disrupts Gamma (γ)-Band Neural Oscillations in Humans
Cortes-Briones J, Skosnik PD, Mathalon D, Cahill J, Pittman B, Williams A, Sewell RA, Ranganathan M, Roach B, Ford J, D'Souza DC. Δ9-THC Disrupts Gamma (γ)-Band Neural Oscillations in Humans. Neuropsychopharmacology 2015, 40: 2124-2134. PMID: 25709097, PMCID: PMC4613601, DOI: 10.1038/npp.2015.53.Peer-Reviewed Original ResearchConceptsAuditory steady-state responseΔ9-THCHz stimulationIntertrial coherenceDose-related effectsNeural oscillationsNegative Syndrome ScalePsychophysiological alterationsAcute effectsPsychotic disordersAnimal studiesSyndrome ScalePANSS subscalesRecent usersBehavioral effectsTotal scoreEvoked powerCannabinoidsCounterbalanced designTrend levelΓ oscillationsTest dayBand oscillationsHz conditionStimulation
2012
Acute effects of THC on time perception in frequent and infrequent cannabis users
Sewell RA, Schnakenberg A, Elander J, Radhakrishnan R, Williams A, Skosnik PD, Pittman B, Ranganathan M, D’Souza D. Acute effects of THC on time perception in frequent and infrequent cannabis users. Psychopharmacology 2012, 226: 401-413. PMID: 23179965, PMCID: PMC3581701, DOI: 10.1007/s00213-012-2915-6.Peer-Reviewed Original ResearchConceptsCannabis smokersAcute effectsFrequent cannabis smokersPlacebo-controlled studyCannabis usersChronic cannabis smokersInfrequent cannabis usersWhole-plant cannabisChronic cannabis useResultsAll dosesVariable pharmacokineticsBlunted responseSubjects three timesHigh dosesTHC effectsFrequent cannabis usersCannabis useInternal clock speedΔ9-tetrahydrocannabinolSmall sample sizeDosesFrequent cannabisThree timesTest daySmokers
2011
The acute effects of cannabinoids in patients with psychotic illness
Henquet C, Sewell A, Kuepper R, Ranganathan M, D’Souza D. The acute effects of cannabinoids in patients with psychotic illness. 2011, 198-209. DOI: 10.1017/cbo9780511706080.019.Peer-Reviewed Original ResearchMental health teamsImpact of cannabisEffects of cannabisPublic health specialistsCannabinoid systemAcute effectsHealth teamsPsychotic illnessHealth specialistsMental illnessMental healthEpidemiological factsCannabisIllnessAlcohol researchCannabis sativaNew research findingsPatientsSchizophreniaCannabinoids
2006
The acute effects of cannabinoids on memory in humans: a review
Ranganathan M, D’Souza D. The acute effects of cannabinoids on memory in humans: a review. Psychopharmacology 2006, 188: 425-444. PMID: 17019571, DOI: 10.1007/s00213-006-0508-y.Peer-Reviewed Original ResearchConceptsStages of memoryHuman literatureDelay-dependent mannerIntrusion errorsMemory taskFree recallPsychological testsAmnestic effectsCognitive functionConstituent cannabinoidsRobust effectMemoryPreclinical literatureFuture researchResultsAcute administrationNeurochemical basisEffects of cannabinoidsDrug useExogenous cannabinoidsIssues of doseAcute effectsLarge bodyLong-term potentiationSmall sample sizeRationaleCannabis