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-episodeDifferential expression of haptoglobin in individuals at clinical high risk of psychosis and its association with global functioning and clinical symptoms
Healy C, Byrne J, Raj Suasi S, Föcking M, Mongan D, Kodosaki E, Heurich M, Cagney G, Wynne K, Bearden C, Woods S, Cornblatt B, Mathalon D, Stone W, Cannon T, Addington J, Cadenhead K, Perkins D, Jeffries C, Cotter D. Differential expression of haptoglobin in individuals at clinical high risk of psychosis and its association with global functioning and clinical symptoms. Brain Behavior And Immunity 2024, 117: 175-180. PMID: 38219978, DOI: 10.1016/j.bbi.2023.12.018.Peer-Reviewed Original ResearchGlobal Assessment of Functioning ScaleNorth American Prodrome Longitudinal StudyClinical high riskPoor functionScale of Psychosis-risk SymptomsPsychosis-risk symptomsAssociated with poorer functioningFirst-episode psychosisTransition to psychosisGreater symptom severityFollow-upIndividuals at-riskClinical symptomsPsychotic disordersHigh riskSymptom severityPsychosocial functioningGlobal functioningPsychosisSubscale scoresFDR correctionAcute phase inflammatory responseLongitudinal studyGlobal assessmentFunctional scales