Abush, H, Ghose, S, Van Enkevort, EA, et al. (2018) Associations between adolescent cannabis use and brain structure in psychosis. Psychiatry Research: Neuroimaging, 276: 53–64.
Addington, J, Piskulic, D, Perkins, D, et al. (2012) Affect recognition in people at clinical high risk of psychosis. Schizophrenia Research, 140: 87–92.
Addington, J, Case, N, Saleem, MM, et al. (2014) Substance use in clinical high risk for psychosis: a review of the literature. Early Intervention in Psychiatry, 8: 104–12.
Akdeniz, C, Schäfer, A, Streit, F, et al. (2017) Sex-dependent association of perigenual anterior cingulate cortex volume and migration background, an environmental risk factor for schizophrenia. Schizophrenia Bulletin, 43: 925–34.
Alexander, P, Gicas, KM, Willi, TS, et al. (2017) A comparison of psychotic symptoms in subjects with methamphetamine versus cocaine dependence. Psychopharmacology, 234: 1535–47.
Allott, KA, Schäfer, MR, Thompson, A, et al. (2014) Emotion recognition as a predictor of transition to a psychotic disorder in ultra-high risk participants. Schizophrenia Research, 153: 25–31.
Appiah-Kusi, E, Fisher, HL, Petros, N, et al. (2017) Do cognitive schema mediate the association between childhood trauma and being at ultra-high risk for psychosis? Journal of Psychiatric Research, 88: 89–96.
Attademo, L, Bernardini, F, Garinella, R, et al. (2017) Environmental pollution and risk of psychotic disorders: a review of the science to date. Schizophrenia Research, 181: 55–9.
Auther, AM, Cadenhead, KS, Carrión, RE, et al. (2015) Alcohol confounds relationship between cannabis misuse and psychosis conversion in a high-risk sample. Acta Psychiatrica Scandinavica, 132: 60–8.
Bajaj, N, Mullen, D, Wylie, S (2010) Dependence and psychosis with 4-methylmethcathinone (mephedrone) use. BMJ Case Reports, 2010: bcr0220102780.
Bebbington, PE (2018) Sexual abuse and psychosis: the security of research findings. Schizophrenia Research, 201: 37–8.
Bedi, G, Carrillo, F, Cecchi, GA, et al. (2015) Automated analysis of free speech predicts psychosis onset in high-risk youths. NPJ Schizophrenia, 1: 15030.
Berthelot, N, Paccalet, T, Gilbert, E, et al. (2015) Childhood abuse and neglect may induce deficits in cognitive precursors of psychosis in high-risk children. Journal of Psychiatry & Neuroscience, 40: 336–41.
Bless, JJ, Larøi, F, Laloyaux, J, et al. (2018) Do adverse life events at first onset of auditory verbal hallucinations influence subsequent voice characteristics? Results from an epidemiological study. Psychiatry Research, 261: 232–6.
Bora, E, Pantelis, C (2013) Theory of mind impairments in first episode psychosis, individuals at ultra-high risk for psychosis and in first-degree relatives of schizophrenia: systematic review and meta-analysis. Schizophrenia Research, 144: 31–6.
Bora, E, Lin, A, Wood, SJ, et al. (2014) Cognitive deficits in youth with familial and clinical high risk to psychosis: a systematic review and meta-analysis. Acta Psychiatrica Scandinavica, 130: 1–15.
Bourgeois, C, Lecomte, T, Daigneault, I (2018) Psychotic disorders in sexually abused youth: a prospective matched-cohort study. Schizophrenia Research, 199: 123–7.
Carney, R, Yung, AR, Amminger, GP, et al. (2017) Substance use in youth at risk for psychosis. Schizophrenia Research, 181: 23–9.
Carvalho, CB, da Motta, C, Pinto-Gouveia, J, et al. (2016) Influence of family and childhood memories in the development and manifestation of paranoid ideation. Clinical Psychology and Psychotherapy, 23: 397–406.
Clarke, MC, Tanskanen, A, Hutten, MO, et al. (2013) Sudden death of father or sibling in early childhood increases risk for psychotic disorder. Schizophrenia Research, 143: 363–6.
Corcoran, CM, Carrillo, F, Fernández-Slezak, D, et al. (2018) Prediction of psychosis across protocols and risk cohorts using automated language analysis. World Psychiatry, 17: 67–75.
Dapunt, J, Kluge, U, Heinz, A (2017) Risk of psychosis in refugees: a literature review. Translational Psychiatry, 7: e1149.
de Sousa, P, Varese, F, Sellwood, W, et al. (2014) Parental communication and psychosis: a meta-analysis. Schizophrenia Bulletin, 40: 756–68.
de Vries, B, van Busschback, JT, van der Stouwe, ECD, et al. (2019) Prevalence rate and risk factors of victimization in adult patients with a psychotic disorder: a systematic review and meta-analysis. Schizophrenia Bulletin, 45: 114–26.
Di Forti, M, Iyegbe, C, Sallis, H, et al. (2012) Confirmation that the AKT1 (rs2494732) genotype influences the risk of psychosis in cannabis users. Biological Psychiatry, 72: 811–6.
Every-Palmer, S (2011) Synthetic cannabinoid JWH-018 and psychosis: an explorative study. Drug and Alcohol Dependence, 117: 152–7.
Fan, N, Xu, K, Rosenheck, R, et al. (2016) Profiling the psychotic, depressive and anxiety symptoms in chronic ketamine users. Psychiatry Research, 237: 311–5.
Fusar-Poli, P, Borgwardt, S, Bechdolf, A, et al. (2013) The psychosis high-risk state: a comprehensive state-of-the-art-review. JAMA Psychiatry, 70: 107–20.
Fusar-Poli, P, Deste, G, Smieskova, R, et al. (2012) Cognitive functioning in prodromal psychosis: a meta-analysis. Archives of General Psychiatry, 69: 562–71.
Gage, SH, Hickman, M, Zammit, S (2016) Association between cannabis and psychosis: epidemiologic evidence. Biological Psychiatry, 79: 549–56.
Glasner-Edwards, S, Mooney, LJ (2014) Methamphetamine psychosis: epidemiology and management. CNS Drugs, 28: 1115–26.
Goiney, CC, Gillaspie, DB, Alvarez Villalba, CL (2012) Addressing caffeine-induced psychosis: a clinical perspective. Addictive Disorders and Their Treatment, 11: 146–9.
Hameed, MA, Lewis, AJ (2016) Offspring of parents with schizophrenia: a systematic review of developmental features across childhood. Harvard Review of Psychiatry, 24: 104–17.
Hollander, A, Dal, H, Lewis, G, et al. (2016) Refugee migration and risk of schizophrenia and other non-affective psychoses: cohort study of 1.3 million people in Sweden. BMJ, 352: i1030.
Hur, JW, Choi, SH, Yun, JY, et al. (2015) Parental socioeconomic status and prognosis in individuals with ultra-high risk for psychosis: a 2-year follow-up study. Schizophrenia Research, 168: 56–61.
Jodo, E (2013) The role of the hippocampo-prefrontal cortex system in phencyclidine-induced psychosis: a model for schizophrenia. Journal of Physiology (Paris), 107: 434–40.
Karlsson, JL (2001) Mental abilities of male relatives of psychotic patients. Acta Psychiatrica Scandinavica, 104: 466–8.
Kelley, ME, Wan, CR, Broussard, B, et al. (2016) Marijuana use in the immediate 5-year premorbid period is associated with increased risk of onset of schizophrenia and related psychotic disorders. Schizophrenia Research, 171: 62–7.
Keshavan, MS, Mehta, UM, Padmanabhan, JL, et al. (2015) Dysplasticity, metaplasticity, and schizophrenia: implications for risk, illness, and novel interventions. Development and Psychopathology, 27: 615–35.
Kirkbride, JB, Hollander, A (2015) Migration and risk of psychosis in the Canadian context. CMAJ, 187: 637–8.
Kraan, T, van Dam, DS, Velthorst, E, et al. (2015) Childhood trauma and clinical outcome in patients at ultra-high risk of transition to psychosis. Schizophrenia Research, 169: 193–8.
Kraan, T, Velthorst, E, Koenders, L, et al. (2016) Cannabis use and transition to psychosis in individuals at ultra-high risk: review and meta-analysis. Psychological Medicine, 46: 673–81.
Ksir, C, Hart, CL (2016) Cannabis and psychosis: a critical overview of the relationship. Current Psychiatry Reports, 18(2): 12.
Laurens, KR, Luo, L, Matheson, SL, et al. (2015) Common or distinct pathways to psychosis? A systematic review of evidence from prospective studies for developmental risk factors and antecedents of the schizophrenia spectrum disorders and affective psychoses. BMC Psychiatry, 15: 205.
Lichlyter, B, Purdon, S, Tibbo, P (2011) Predictors of psychosis severity in individuals with primary stimulant addictions. Addictive Behaviors, 36: 137–9.
Lim, J, Rekhi, G, Rapisarda, A, et al. (2015) Impact of psychiatric comorbidity in individuals at ultra high risk of psychosis - findings from the Longitudinal Youth at Risk Study (LYRIKS). Schizophrenia Research, 164: 8–14.
Lunsford-Avery, JR, Orr, JM, Gupta, T, et al. (2013) Sleep dysfunction and thamalic abnormalities in adolescents at ultra high-risk for psychosis. Schizophrenia Research, 151: 148–53.
Lunsford-Avery, JR, LeBourgeois, MK, Gupta, T, et al. (2015) Actigraphic-measured sleep disturbance predicts increased positive symptoms in adolescents at ultra high-risk for psychosis: a longitudinal study. Schizophrenia Research, 164: 15–20.
Marconi, A, Di Forti, M, Lewis, CM, et al. (2016) Meta-analysis of the association between the level of cannabis use and risk of psychosis. Schizophrenia Bulletin, 42: 1262–9.
Martin, AK, Robinson, G, Dzafic, I, et al. (2014) Theory of mind and the social brain: implications for understanding the genetic basis of schizophrenia. Genes, Brain and Behaviour, 13: 104–17.
McKenzie, K, Murray, A, Booth, T (2013) Do urban environments increase the risk of anxiety, depression and psychosis? An epidemiological study. Journal of Affective Disorders, 150: 1019–24.
McKetin, R, McLaren, J, Lubman, DI, et al. (2006) The prevalence of psychotic symptoms among methamphetamine users. Addiction, 101: 1473–8.
Murry, RM, Paparelli, A, Morrison, PD, et al. (2013) What can we learn about schizophrenia from studying the human model, drug-induced psychosis? Americal Journal of Medical Genetics Part B, 162B: 661–70.
Newbury, J, Arseneault, L, Caspi, A, et al. (2016) Why are children in urban neighbourhoods at increased risk for psychotic symptoms? Findings from a UK longitudinal cohort study. Schizophrenia Bulletin, 42: 1372–83.
Okkels, N, Trabjerg, B, Arendt, M, et al. (2017) Traumatic stress disorders and risk of subsequent schizophrenia spectrum disorder or bipolar disorder: a nationwide cohort study. Schizophrenia Bulletin, 43: 180–6.
Paksarian, D, Eaton, WW, Mortensen, PB, et al. (2015) Childhood residential mobility, schizophrenia, and bipolar disorder: a population based study in Denmark. Schizophrenia Bulletin, 41: 346–54.
Perkins, DO, Jeffries, CD, Cornblatt, BA, et al. (2015) Severity of thought disorder predicts psychosis in persons at clinical high-risk. Schizophrenia Research, 169: 169–77.
Pickup, GJ (2008) Relationship between theory of mind and executive function in schizophrenia: a systematic review. Psychopathology, 41: 206–13.
Poe, SL, Brucato, G, Bruno, N, et al. (2017) Sleep disturbances in individuals at clinical high risk for psychosis. Psychiatry Research, 249: 240–3.
Rapado-Castro, M, McGorry, PD, Yung, A, et al. (2015) Sources of clinical distress in young people at ultra high risk of psychosis. Schizophrenia Research, 165: 15–21.
Reeve, S, Sheaves, B, Freeman, D (2015) The role of sleep dysfunction in the occurrence of delusions and hallucinations: a systemic review. Clinical Psychology Review, 42: 96–115.
Reeve, S, Emsley, R, Sheaves, B, et al. (2017) Disrupting sleep: the effects of sleep loss on psychotic experiences tested in an experimental study with mediation analysis. Schizophrenia Bulletin, 44: 662–71.
Robustelli, BL, Newberry, RE, Whisman, MA, et al. (2017) Social relationships in young adults at ultra high risk for psychosis. Psychiatry Research, 247: 345–51.
Romain, K, Eriksson, A, Onyon, R, et al. (2019a) The psychosis risk timeline: can we improve our preventive strategies? Part 1: early life. BJPsych Advances, 25.
Romain, K, Eriksson, A, Onyon, R, et al. (2019b) The psychosis risk timeline: can we improve our preventive strategies? Part 3: primary common pathways and preventive strategies. BJPsych Advances, 25.
Russo, DA, Stochl, J, Painter, M, et al. (2014) Trauma history characteristics associated with mental states at clinical high risk for psychosis. Psychiatry Research, 220: 237–44.
Savale, A (2014) Effect of noise pollution on human being: its prevention and control. Journal of Environmental Research and Development, 8: 1026–36.
Schlosser, DA, Fisher, M, Gard, D, et al. (2014) Motivational deficits in individuals at-risk for psychosis and across the course of schizophrenia. Schizophrenia Research, 158: 52–7.
Schmid, Y, Enzler, F, Gasser, P, et al. (2015) Acute effects of lysergic acid diethylamide in healthy subjects. Biological Psychiatry, 78: 544–53.
Schmidt, SJ, Grunert, VM, Schimmelmann, BG, et al. (2014) Differences in coping, self-efficacy, and external control beliefs between patients at risk for psychosis and patients with first episode psychosis. Psychiatry Research, 219: 95–102.
Semple, DM, McIntosh, AM, Lawrie, SM (2005) Cannabis as a risk factor for psychosis: systematic review. Journal of Psychopharmacology, 19: 187–94.
Sheffield, JM, Williams, LE, Blackford, JU, et al. (2013) Childhood sexual abuse increases risk of auditory hallucinations in psychotic disorders. Comprehensive Psychiatry, 54: 1098–104.
Shevlin, M, Houston, JE, Dorahy, MJ, et al. (2008) Cumulative traumas and psychosis: an analysis of the national comorbidity survey and the British Psychiatric Morbidity Survey. Schizophrenia Bulletin, 34: 193–9.
Soar, K, Turner, JJD, Parrott, AC (2001) Psychiatric disorders in Ecstasy (MDMA) users: a literature review focusing on personal predisposition and drug history. Human Psychopharmacology, 16: 641–5.
Song, YY, Kang, JI, Kim, SJ, et al. (2013) Temperament and character in individuals at ultra-high risk for psychosis and with first-episode schizophrenia: associations with psychopathology, psychosocial functioning, and aspects of psychological health. Comprehensive Psychiatry, 54: 1161–8.
Tarricone, I, Boydell, J, Kokona, A, et al. (2016) Risk of psychosis and internal migration: results from the Bologna First Episode Psychosis study. Schizophrenia Research, 173: 90–3.
Teicher, MH, Anderson, CM, Polcari, A (2012) Childhood maltreatment is associated with reduced volume in the hippocampal subfields CA3, dentate gyrus, and subiculum. PNAS, 109: E563–72.
Valmaggia, LR, Day, F, Garety, P, et al. (2015a) Social defeat predicts paranoid appraisals in people at high risk for psychosis. Schizophrenia Research, 168: 16–22.
Valmaggia, LR, Day, FL, Kroll, J, et al. (2015b) Bullying victimisation and paranoid ideation in people at ultra high risk for psychosis. Schizophrenia Research, 168: 68–73.
van der Werf, M, Hanssen, M, Köhler, S, et al. (2012) Systemic review and collaborative recalculation of 133 693 incident cases of schizophrenia. Psychological Medicine, 44: 9–16.
van Winkel, R, Stefanis, NC, Myin-Germeys, I (2008) Psychosocial stress and psychosis: a review of the neurobiological mechanisms and the evidence for gene-stress interaction. Schizophrenia Bulletin, 34: 1095–105.
Varese, F, Smeets, F, Drukker, M, et al. (2012) Childhood adversities increase the risk of psychosis: a meta-analysis of patient-control, prospective- and cross-sectional cohort studies. Schizophrenia Bulletin, 38: 661–71.
Vergara-Moragues, E, Gómez, PA, González-Saiz, F, et al. (2014) Cocaine-induced psychotic symptoms in clinical setting. Psychiatry Research, 217: 115–20.
Wang, HR, Woo, YS, Bahk, WM (2015) Caffeine-induced psychiatric manifestations: a review. International Clinical Psychopharmacology, 30: 179–82.
Yang, LH, Link, BG, Ben-David, S, et al. (2015) Stigma related to labels and symptoms in individuals at clinical high-risk for psychosis. Schizophrenia Research, 168: 9–15.
Zawilska, JB (2011) ‘Legal highs’ – new players in the old drama. Current Drug Abuse Reviews, 4: 122–30.