Occasional cannabis use is associated with higher premorbid functioning and IQ in youth at clinical high-risk (CHR) for psychosis: Parallel findings to psychosis cohorts
Kennedy L, Ku B, Addington J, Amir C, Bearden C, Cannon T, Carrión R, Cornblatt B, Keshavan M, Perkins D, Mathalon D, Stone W, Walker E, Woods S, Cadenhead K. Occasional cannabis use is associated with higher premorbid functioning and IQ in youth at clinical high-risk (CHR) for psychosis: Parallel findings to psychosis cohorts. Schizophrenia Research 2024, 271: 319-331. PMID: 39084107, DOI: 10.1016/j.schres.2024.07.032.Peer-Reviewed Original ResearchClinical high riskCannabis use frequencyPremorbid functioningCannabis usePsychosis cohortSocial functioningCannabis usersAssociated with greater symptom severityAssociated with better neurocognitionNorth American Prodrome Longitudinal StudyClinical high-risk participantsClinical high-risk youthClinical high-risk populationsUse groupRates of cannabis useCannabis use groupsMeasures of IQCannabis use patternsGreater symptom severityHigher premorbid functioningFollow-up analysisPsychosis sampleHigher IQNeurocognitive domainsFirst-episodePlasma complement and coagulation proteins as prognostic factors of negative symptoms: An analysis of the NAPLS 2 and 3 studies
Byrne J, Healy C, Föcking M, Heurich M, Susai S, Mongan D, Wynne K, Kodosaki E, Woods S, Cornblatt B, Stone W, Mathalon D, Bearden C, Cadenhead K, Addington J, Walker E, Cannon T, Cannon M, Jeffries C, Perkins D, Cotter D. Plasma complement and coagulation proteins as prognostic factors of negative symptoms: An analysis of the NAPLS 2 and 3 studies. Brain Behavior And Immunity 2024, 119: 188-196. PMID: 38555993, DOI: 10.1016/j.bbi.2024.03.049.Peer-Reviewed Original ResearchNegative symptomsDepressive symptomsScale of Psychosis-risk SymptomsMeasures of negative symptomsNorth American Prodrome Longitudinal Study 2Psychosis-risk symptomsClinical high riskPrognostic factorsLongitudinal Study 2Positive symptomsNAPLS 2Psychotic disordersAntipsychotic usePsychotic experiencesCannabis useSuicidal ideationAntidepressant useStudy 2Regulation groupQuality of life of individualsGroup factorsCurrent treatment optionsDemographic prognostic factorsPsychosisCoagulation proteins