W. Griesinger, Traité des maladies mentales : pathologie et thérapeutique, 1861.

K. L. Kahlbaum, Classification des maladies mentales, 1863.

J. Goëb, M. Botbol, and B. Golse, Adolescence et ??volution schizophr??nique de psychoses infantiles??: particularit??s cliniques en comparaison de schizophr??nies ????de novo????, La psychiatrie de l'enfant, vol.46, issue.1, pp.257-325, 2003.
DOI : 10.3917/psye.461.0257

D. S. Rosenstein and H. A. Horowitz, Adolescent attachment and psychopathology., Journal of Consulting and Clinical Psychology, vol.64, issue.2
DOI : 10.1037/0022-006X.64.2.244

F. Gollier, Vulnérabilité psychotique et risque schizophrénique à l'adolescence : intérêt d'une approche intégrative, 2009.

U. Willinger, A. M. Heiden, K. Meszaros, A. K. Formann, and H. N. Aschauer, Maternal Bonding Behaviour in Schizophrenia and Schizoaffective Disorder, Considering Premorbid Personality Traits, Australian & New Zealand Journal of Psychiatry, vol.6, issue.5, pp.663-668, 2002.
DOI : 10.1017/S1121189X00004929

C. L. Tyrrell, M. Dozier, G. B. Teague, and R. D. Fallot, Effective treatment relationships for persons with serious psychiatric disorders: The importance of attachment states of mind., Journal of Consulting and Clinical Psychology, vol.67, issue.5, pp.725-733, 1999.
DOI : 10.1037/0022-006X.67.5.725

A. M. Ponizovsky, Y. Nechamkin, and P. Rosca, Attachment patterns are associated with symptomatology and course of schizophrenia in male inpatients., American Journal of Orthopsychiatry, vol.77, issue.2, pp.324-331, 2007.
DOI : 10.1037/0002-9432.77.2.324

K. Berry and C. B. , Attachment theory: A framework for understanding symptoms and interpersonal relationships in psychosis, Behaviour Research and Therapy, vol.46, issue.12, pp.1275-82, 2008.
DOI : 10.1016/j.brat.2008.08.009

O. D. Howes and R. M. Murray, Schizophrenia: an integrated sociodevelopmental-cognitive model, The Lancet, vol.383, issue.9929, pp.1677-1687, 2014.
DOI : 10.1016/S0140-6736(13)62036-X

L. Garey, When cortical development goes wrong: schizophrenia as a neurodevelopmental disease of microcircuits, Journal of Anatomy, vol.76, issue.4, pp.324-333, 2010.
DOI : 10.1001/archpsyc.1992.01820030027004

. Stahl-'s-essential and . Psychopharmacology, Cambridge University Press Available at: http://www.cambridge.org/us/academic/subjects/medicine/mental-health-psychiatry-and-clinical- psychology/stahls-essential-psychopharmacology-neuroscientific-basis-and-practical-applications-4th- edition?format=PB, p.13, 2016.

S. H. Fatemi and T. D. Folsom, The Neurodevelopmental Hypothesis of Schizophrenia, Revisited, Schizophrenia Bulletin, vol.35, issue.3, pp.528-548, 2009.
DOI : 10.1093/schbul/sbn187

M. Cannon, P. B. Jones, and R. M. Murray, Obstetric Complications and Schizophrenia: Historical and Meta-Analytic Review, American Journal of Psychiatry, vol.159, issue.7, pp.1080-1092, 2002.
DOI : 10.1176/appi.ajp.159.7.1080

B. Fish, J. Marcus, S. L. Hans, J. G. Auerbach, and S. Perdue, Infants at Risk for Schizophrenia: Sequelae of a Genetic Neurointegrative Defect, Archives of General Psychiatry, vol.49, issue.3, pp.221-235, 1992.
DOI : 10.1001/archpsyc.1992.01820030053007

D. R. Weinberger, Implications of Normal Brain Development for the Pathogenesis of Schizophrenia, Archives of General Psychiatry, vol.44, issue.7
DOI : 10.1001/archpsyc.1987.01800190080012

J. L. Rapoport, J. N. Giedd, and N. Gogtay, Neurodevelopmental model of schizophrenia: update, 2012.

J. Penttilä, Global and Temporal Cortical Folding in Patients With Early-Onset Schizophrenia, Journal of the American Academy of Child & Adolescent Psychiatry, vol.47, issue.10
DOI : 10.1097/CHI.0b013e3181825aa7

T. R. Insel, Rethinking schizophrenia, Nature, vol.112, issue.7321, pp.187-193, 2010.
DOI : 10.1093/oxfordjournals.schbul.a033460

A. S. Bassett, S. W. Scherer, and L. M. Brzustowicz, Copy Number Variations in Schizophrenia: Critical Review and New Perspectives on Concepts of Genetics and Disease, American Journal of Psychiatry, vol.167, issue.8, pp.899-914, 1982.
DOI : 10.1176/appi.ajp.2009.09071016

O. Kebir, Methylomic changes during conversion to psychosis, Molecular Psychiatry, vol.401, issue.4, 2016.
DOI : 10.1093/schbul/sbv074

J. Mill, Epigenomic Profiling Reveals DNA-Methylation Changes Associated with Major Psychosis, The American Journal of Human Genetics, vol.82, issue.3
DOI : 10.1016/j.ajhg.2008.01.008

URL : https://doi.org/10.1016/j.ajhg.2008.01.008

V. Bergink, S. M. Gibney, and H. A. Drexhage, Autoimmunity, Inflammation, and Psychosis: A Search for Peripheral Markers, Biological Psychiatry, vol.75, issue.4, pp.324-331, 2014.
DOI : 10.1016/j.biopsych.2013.09.037

C. B. Pedersen and P. Mortensen, Evidence of a Dose-Response Relationship Between Urbanicity During Upbringing and Schizophrenia Risk, Archives of General Psychiatry, vol.58, issue.11, pp.1039-1046, 2001.
DOI : 10.1001/archpsyc.58.11.1039

E. Cantor-graae and J. Selten, Schizophrenia and Migration: A Meta-Analysis and Review, American Journal of Psychiatry, vol.162, issue.1, pp.12-24, 2005.
DOI : 10.1176/appi.ajp.162.1.12

M. Duhig, The prevalence and correlates of childhood trauma in patients with early psychosis, Australian & New Zealand Journal of Psychiatry, vol.7, issue.7
DOI : 10.1111/j.1751-7893.2012.00387.x

C. Henquet, D. Forti, M. Morrison, P. Kuepper, R. Murray et al., Gene-Environment Interplay Between Cannabis and Psychosis, Schizophrenia Bulletin, vol.34, issue.6, pp.1111-1121, 2008.
DOI : 10.1093/schbul/sbn108

M. O. Krebs, Y. Morvan, T. Jay, R. Gaillard, and O. Kebir, Psychotomimetic effects at initiation of cannabis use are associated with cannabinoid receptor 1 (CNR1) variants in healthy students, Molecular Psychiatry, vol.19, issue.4, pp.402-403, 2014.
DOI : 10.1074/jbc.M111.336750

URL : https://hal.archives-ouvertes.fr/hal-01312815

J. Mcgrath, S. Saha, D. Chant, and J. Welham, Schizophrenia: A Concise Overview of Incidence, Prevalence, and Mortality, Epidemiologic Reviews, vol.30, issue.1, pp.67-76, 2008.
DOI : 10.1093/epirev/mxn001

D. J. Castle, S. Wessely, and R. M. Murray, Sex and schizophrenia: effects of diagnostic stringency, and associations with and premorbid variables, The British Journal of Psychiatry, vol.162, issue.5, pp.658-664, 1993.
DOI : 10.1192/bjp.162.5.658

J. Perälä, Lifetime prevalence of psychotic and bipolar I disorders in a general population

M. A. Taylor, E. Shorter, N. A. Vaidya, and M. Fink, The failure of the schizophrenia concept and the argument for its replacement by hebephrenia: applying the medical model for disease recognition, Acta Psychiatrica Scandinavica, vol.150, issue.3, pp.173-183, 2010.
DOI : 10.1176/ajp.150.2.278

M. Sato, Renaming schizophrenia: a Japanese perspective, World Psychiatry, vol.5, pp.53-55, 2006.

J. Van-os, S. Kapur, and . Schizophrenia, Schizophrenia, The Lancet, vol.374, issue.9690, pp.635-645, 2009.
DOI : 10.1016/S0140-6736(09)60995-8

URL : https://hal.archives-ouvertes.fr/hal-01382569

E. Bleuler, Dementia praecox oder Gruppe der Schizophrenien, 1911.

F. J. Kallmann, THE GENETIC THEORY OF SCHIZOPHRENIA, American Journal of Psychiatry, vol.103, issue.3, pp.309-322, 1946.
DOI : 10.1176/ajp.103.3.309

P. Meehl, Primary and secondary hypohedonia., Journal of Abnormal Psychology, vol.110, issue.1, pp.188-193, 2001.
DOI : 10.1037/0021-843X.110.1.188

D. Rosenthal, P. H. Wender, S. S. Kety, J. Welner, and F. Schulsinger, The Adopted-Away Offspring of Schizophrenics, American Journal of Psychiatry, vol.128, issue.3, pp.307-311, 1971.
DOI : 10.1176/ajp.128.3.307

J. Zubin and B. Spring, Vulnerability: A new view of schizophrenia., Journal of Abnormal Psychology, vol.86, issue.2, pp.103-126, 1977.
DOI : 10.1037/0021-843X.86.2.103

L. Ciompi, Learning from outcome studies???Toward a comprehensive biological-psychosocial understanding of schizophrenia, Schizophrenia Research, vol.1, issue.6, pp.373-384, 1988.
DOI : 10.1016/0920-9964(88)90018-7

I. I. Gottesman and J. Shields, Schizophrenia in Twins: 16 Years' Consecutive Admissions to a Psychiatric Clinic, The British Journal of Psychiatry, vol.112, issue.489, pp.809-818, 1966.
DOI : 10.1192/bjp.112.489.809

M. Baron and N. Risch, The spectrum concept of schizophrenia: Evidence for a genetic-environmental continuum, Journal of Psychiatric Research, vol.21, issue.3, pp.257-267, 1987.
DOI : 10.1016/0022-3956(87)90027-6

K. S. Kendler, Overview: a current perspective on twin studies of schizophrenia, Am. J. Psychiatry, vol.140, pp.1413-1425, 1983.

R. F. Asarnow, Schizophrenia and Schizophrenia-Spectrum Personality Disorders in the First-Degree Relatives of Children With Schizophrenia, 50. Krebs, M.-O. & CPNLF. Signes précoces de schizophrénie, pp.581-588, 2001.
DOI : 10.1001/archpsyc.58.6.581

K. S. Kendler, Diagnostic Approaches to Schizotypal Personality Disorder: A Historical Perspective, Diagnostic And Statistical Manual Of Mental Disorders, Fourth Edition (DSM-IV) | AllPsych, pp.538-553, 1985.
DOI : 10.1093/schbul/11.4.538

. Available, Accessed: 13th) 53. American Psychiatric Association. Diagnostic and Statistical Manual of Mental Disorders, 2013.

M. F. Lenzenweger, Current Status of the Scientific Study of the Personality Disorders: an Overview of Epidemiological, Longitudinal, Experimental Psychopathology, and Neurobehavioral Perspectives, Journal of the American Psychoanalytic Association, vol.51, issue.4, pp.741-778, 2010.
DOI : 10.1001/archpsyc.1994.03950030061006

M. Nordentoft, Transition rates from schizotypal disorder to psychotic disorder for first-contact patients included in the OPUS trial. A randomized clinical trial of integrated treatment and standard treatment, Schizophrenia Research, vol.83, issue.1, pp.29-40, 2006.
DOI : 10.1016/j.schres.2006.01.002

B. F. Grant, Prevalence, Correlates, and Disability of Personality Disorders in the United States, The Journal of Clinical Psychiatry, vol.65, issue.7, pp.948-958, 2004.
DOI : 10.4088/JCP.v65n0711

F. Schultze-lutter, J. Klosterkötter, C. Michel, K. Winkler, and S. Ruhrmann, Personality disorders and accentuations in at-risk persons with and without conversion to first-episode psychosis, Early Intervention in Psychiatry, vol.107, issue.3, pp.389-398, 2012.
DOI : 10.1016/j.schres.2008.10.008

M. S. Keshavan, V. A. Diwadkar, D. M. Montrose, R. Rajarethinam, and J. A. Sweeney, Premorbid indicators and risk for schizophrenia: A selective review and update, Schizophrenia Research, vol.79, issue.1, pp.45-57, 1995.
DOI : 10.1016/j.schres.2005.07.004

S. C. Olin and S. A. Mednick, Risk Factors of Psychosis: Identifying Vulnerable Populations Premorbidly, Schizophrenia Bulletin, vol.22, issue.2, pp.223-240, 1996.
DOI : 10.1093/schbul/22.2.223

URL : https://academic.oup.com/schizophreniabulletin/article-pdf/22/2/223/5434975/22-2-223.pdf

L. Erlenmeyer-kimling, Attention, Memory, and Motor Skills as Childhood Predictors of Schizophrenia-Related Psychoses: The New York High-Risk Project, American Journal of Psychiatry, vol.157, issue.9, pp.1416-1422, 2000.
DOI : 10.1176/appi.ajp.157.9.1416

L. T. Niemi, J. M. Suvisaari, A. Tuulio-henriksson, and J. K. Lönnqvist, Childhood developmental abnormalities in schizophrenia: evidence from high-risk studies, Schizophrenia Research, vol.60, issue.2-3, pp.239-258, 2003.
DOI : 10.1016/S0920-9964(02)00234-7

M. Krebs, O. Gay, G. Martinez, and I. Amado, Signes neurologiques mineurs et contr??le moteur??: ce qu???ils nous apprennent sur la schizophr??nie, ses m??canismes et ses fronti??res, European Psychiatry, vol.29, issue.8, pp.580-581, 2014.
DOI : 10.1016/j.eurpsy.2014.09.282

M. Krebs and S. Mouchet, Neurological soft-signs in schizophrenia, Biological Psychiatry, vol.42, issue.1, pp.1157-1168, 2007.
DOI : 10.1016/S0006-3223(97)87824-9

URL : https://hal.archives-ouvertes.fr/hal-01133887

I. Bombin, C. Arango, and R. W. Buchanan, Significance and Meaning of Neurological Signs in Schizophrenia: Two Decades Later, Schizophrenia Bulletin, vol.31, issue.4, pp.962-977, 2005.
DOI : 10.1093/schbul/sbi028

R. Misès, Les pathologies limites de l'enfance, 1994.

W. Bion, Second Thoughts: Selected Papers on Psycho-analysis. (Maresfield Library, 1984.

J. Richard, Essais d'épistémologie psychanalytique, 2004.

W. Blankeburg, La perte de l'évidence naturelle, 1991.

J. Parnas, P. Bovet, and D. Zahavi, Schizophrenic autism: clinical phenomenology and pathogenetic implications. World Psychiatry Off, J. World Psychiatr. Assoc. WPA, vol.1, pp.131-136, 2002.

C. Elkhazen, F. Chauchot, O. Canceil, M. Krebs, and F. Baylé, Prodromal symptoms of schizophrenia], pp.469-477, 2003.

E. J. Engstrom, `On the Question of Degeneration' by Emil Kraepelin (1908)1, History of Psychiatry, vol.43, issue.1, pp.389-404, 1908.
DOI : 10.1192/bjp.167.2.174

URL : https://hal.archives-ouvertes.fr/hal-00570898

D. E. Cameron and . Early, EARLY SCHIZOPHRENIA, American Journal of Psychiatry, vol.95, issue.3, pp.567-582, 1938.
DOI : 10.1176/ajp.95.3.567

J. Chapman, The Early Symptoms of Schizophrenia, The British Journal of Psychiatry, vol.112, issue.484, pp.225-251, 1966.
DOI : 10.1192/bjp.112.484.225

F. Petitjean, O. Canceil, G. Gozlan, and E. Coste, D??pistage pr??coce des schizophr??nies, EMC - Psychiatrie, vol.5, issue.2, pp.1-12, 2008.
DOI : 10.1016/S0246-1072(08)41459-1

P. D. Mcgorry, The prevalence of prodromal features of schizophrenia in adolescence: a preliminary survey, Acta Psychiatrica Scandinavica, vol.165, issue.2, pp.241-249, 1995.
DOI : 10.1093/schbul/6.4.592

H. J. Jackson, P. D. Mcgorry, and P. Dudgeon, Prodromal symptoms of schizophrenia in first-episode psychosis: Prevalence and specificity, Comprehensive Psychiatry, vol.36, issue.4, pp.241-250, 1995.
DOI : 10.1016/S0010-440X(95)90068-3

H. Häfner, The ABC Schizophrenia Study: a preliminary overview of the results, Soc. Psychiatry Psychiatr. Epidemiol, vol.33, pp.380-386, 1998.

G. Gross and G. Huber, Psychopathology of Basic Stages of Schizophrenia in View of Formal Thought Disturbances, Psychopathology, vol.18, issue.2-3, pp.115-125, 1985.
DOI : 10.1159/000284224

A. Bechdolf, F. Schultze-lutter, and J. Klosterkötter, Self-experienced vulnerability, prodromal symptoms and coping strategies preceding schizophrenic and depressive relapses, European Psychiatry, vol.17, issue.7, pp.384-393, 2002.
DOI : 10.1016/S0924-9338(02)00698-3

F. Schultze-lutter, Basic Symptoms and the Prediction of First-Episode Psychosis, Current Pharmaceutical Design, vol.18, issue.4
DOI : 10.2174/138161212799316064

T. J. Miller, Prospective Diagnosis of the Initial Prodrome for Schizophrenia Based on the Structured Interview for Prodromal Syndromes: Preliminary Evidence of Interrater Reliability and Predictive Validity, American Journal of Psychiatry, vol.159, issue.5, pp.863-865, 2002.
DOI : 10.1176/appi.ajp.159.5.863

L. J. Phillips, The Prodromal Phase of First-episode Psychosis: Past and Current Conceptualizations Available at: http://www.mentalhealth.com/mag1/scz/sb-prod.html. (Accessed: 13th The PACE Clinic: identification and management of young people at 'ultra' high risk of psychosis, J. Psychiatr. Pract, vol.87, issue.8, pp.255-269, 2002.

M. Krebs, Assessment of mental states at risk of psychotic transition: validation of the French version of the CAARMS], pp.447-456, 2014.

D. O. Perkins, H. Gu, K. Boteva, and J. A. Lieberman, Relationship Between Duration of Untreated Psychosis and Outcome in First-Episode Schizophrenia: A Critical Review and Meta-Analysis, American Journal of Psychiatry, vol.162, issue.10, pp.1785-1804, 2005.
DOI : 10.1176/appi.ajp.162.10.1785

M. Marshall, Association Between Duration of Untreated Psychosis and Outcome in Cohorts of First-Episode Patients, Archives of General Psychiatry, vol.62, issue.9, pp.975-983, 2005.
DOI : 10.1001/archpsyc.62.9.975

P. Conus, A. Polari, and C. Bonsack, Intervention dans??la??phase pr??coce des??troubles psychotiques??: objectifs et??organisation du??programme TIPP (Traitement et??intervention dans??la??phase pr??coce des??troubles psychotiques) ????Lausanne, L'information psychiatrique, vol.86, issue.2, pp.145-151, 2010.
DOI : 10.3917/inpsy.8602.0145

L. P. Henry, The EPPIC Follow-Up Study of First-Episode Psychosis, The Journal of Clinical Psychiatry, vol.71, issue.06, pp.716-728, 2010.
DOI : 10.4088/JCP.08m04846yel

P. Jørgensen, Early detection and assertive community treatment of young psychotics: the Opus Study Rationale and design of the trial, Soc. Psychiatry Psychiatr. Epidemiol, vol.35, pp.283-287, 2000.

L. Tait, H. Lester, M. Birchwood, N. Freemantle, and S. Wilson, Design of the BiRmingham Early Detection In untREated psyChosis Trial (REDIRECT): cluster randomised controlled trial of general practitioner education in detection of first episode psychosis [ISRCTN87898421] 95. Power, P. et al. The Lambeth Early Onset Crisis Assessment Team Study: general practitioner education and access to an early detection team in first-episode psychosis, 96. Early intervention in psychosis. Wikipedia, the free encyclopedia, pp.133-139, 2005.

M. Marshall and J. Rathbone, Early intervention for psychosis, Cochrane Database Syst. Rev, p.4718, 2011.

L. J. Phillips, Cost implications of specific and non-specific treatment for young persons at ultra high risk of developing a first episode of psychosis, Early Intervention in Psychiatry, vol.10, issue.1, pp.28-34, 2009.
DOI : 10.1093/schbul/10.3.388

C. Mihalopoulos, P. D. Mcgorry, and R. C. Carter, Is phase-specific, community-oriented treatment of early psychosis- an economically viable method of improving outcome?, Acta Psychiatrica Scandinavica, vol.27, issue.1, pp.47-55, 1999.
DOI : 10.3109/00048679309075792

C. Cour, L'organisation des soins psychiatriques : les effets du plan 'psychiatrie et santé mentale, 2005.

M. Knapp, Investing in recovery: making the business case for effective interventions for people with schizophrenia and psychosis Available at: http://www.rethink.org/. (Accessed: 26th Fusar-Poli, P. et al. The psychosis high-risk state: a comprehensive state-of-the-art review, JAMA Psychiatry, vol.102, issue.70, pp.107-120, 2013.

T. H. Mcglashan, Randomized, Double-Blind Trial of Olanzapine Versus Placebo in Patients Prodromally Symptomatic for Psychosis, American Journal of Psychiatry, vol.163, issue.5, pp.790-799, 2006.
DOI : 10.1176/ajp.2006.163.5.790

B. A. Cornblatt, Can Antidepressants Be Used to Treat the Schizophrenia Prodrome?, The Journal of Clinical Psychiatry, vol.68, issue.04, pp.546-557, 2007.
DOI : 10.4088/JCP.v68n0410

G. P. Amminger, Predictors of treatment response in young people at ultra-high risk for psychosis who received long-chain omega-3 fatty acids, Translational Psychiatry, vol.187, issue.1, p.495, 2015.
DOI : 10.1016/j.pnpbp.2012.06.014

P. Hutton and P. J. Taylor, Cognitive behavioural therapy for psychosis prevention: a systematic review and meta-analysis, Psychological Medicine, vol.6, issue.03, pp.449-468, 2014.
DOI : 10.1016/j.schres.2010.10.015

M. R. Stafford, H. Jackson, E. Mayo-wilson, A. P. Morrison, and T. Kendall, Early interventions to prevent psychosis: systematic review and meta-analysis, BMJ, vol.346, issue.jan18 1, p.185, 2013.
DOI : 10.1136/bmj.f185

C. Platz, Help-seeking pathways in early psychosis, Social Psychiatry and Psychiatric Epidemiology, vol.psychosis, issue.suppl.33, pp.967-974, 2006.
DOI : 10.1201/b14315

L. Phillips, Preventative Mental Health Care: Accessing the Target Population, Australian & New Zealand Journal of Psychiatry, vol.172, issue.6, pp.912-917, 1999.
DOI : 10.3109/10398569609080496

D. Köhn, Wege in die Behandlung: Hilfesuchverhalten schizophrener Ersterkrankter, Fortschritte der Neurologie ?? Psychiatrie, vol.72, issue.11, pp.635-642, 2004.
DOI : 10.1055/s-2004-818418

V. Reventlow and H. G. , Pathways to care in subjects at high risk for psychotic disorders ??? A European perspective, Schizophrenia Research, vol.152, issue.2-3, pp.400-407, 2014.
DOI : 10.1016/j.schres.2013.11.031

I. Montaigne, Prévention des Maladies Psychiatriques : pour en finir avec le retard français, 2014.

M. Touraine, Universal health coverage and the post-2015 agenda, The Lancet, vol.384, issue.9949, pp.1161-1162, 2014.
DOI : 10.1016/S0140-6736(14)61419-7

C. V. Lincoln and P. Mcgorry, Who cares? Pathways to psychiatric care for young people experiencing a first episode of psychosis, Psychiatr. Serv. Wash. DC, vol.46, pp.1166-1171, 1995.

A. Oppetit, J. Bourgin, G. Martinez, M. Kazes, C. Mam-lam-fook et al., The C'JAAD: a French team for early intervention in psychosis in Paris, Early Intervention in Psychiatry, vol.58, issue.2, 2016.
DOI : 10.1176/ps.2007.58.2.213

A. Tashakkori, R. B. Johnson, A. J. Onwuegbuzie, and L. A. Turner, in Handbook of mixed methods in social and behavioural research 119

O. 'cathain and A. , Editorial: Mixed Methods Research in the Health Sciences: A Quiet Revolution, Journal of Mixed Methods Research, vol.10, issue.1, pp.3-6, 2009.
DOI : 10.1258/1355819053559029

J. W. Creswell and V. L. Clark, Designing and Conducting Mixed Methods Research, SAGE, 2011.

M. Guével and J. Pommier, Mixed methods research in public health: issues and illustration]. Santé Publique Vandoeuvre-Lès-Nancy Fr, pp.23-38, 2012.

J. M. Morse, Approaches to Qualitative-Quantitative Methodological Triangulation, Nursing Research, vol.40, issue.2, pp.120-123, 1991.
DOI : 10.1097/00006199-199103000-00014

B. A. Pescosolido, C. B. Gardner, and K. M. Lubell, How people get into mental health services: stories of choice, coercion and 'muddling through' from 'first-timers' The place of words and numbers in psychiatric research, Soc. Sci. Med. Philos. Ethics Humanit. Med. PEHM, vol.46, issue.8, pp.275-286, 1982.

D. E. Logan and C. A. King, Parental Facilitation of Adolescent Mental Health Service Utilization: A Conceptual and Empirical Review, Clinical Psychology: Science and Practice, vol.31, issue.3, pp.319-333, 2001.
DOI : 10.5172/jfs.2.1.41

B. G. Glaser and A. L. Strauss, The Discovery of Grounded Theory; Strategies for Qualitative Research, Nursing Research, vol.17, issue.4, 2009.
DOI : 10.1097/00006199-196807000-00014

A. L. Strauss and J. Corbin, Basics of qualitative research : grounded theory procedures and techniques, 1998.

A. Blanchet and A. Gotman, L'enquête et ses méthodes : l'entretien, 2006.

A. Tashakkori and C. Teddlie, Mixed methodology: Combining qualitative and quantitative approaches. xi 132. Integrating quantitative and qualitative research: how is it done? Available at, Bryman, A. Barriers to Integrating Quantitative and Qualitative Research. J. Mix. Methods Res, vol.133, issue.1, pp.8-22, 1998.

A. Aleman, R. S. Kahn, and J. Selten, Sex Differences in the Risk of Schizophrenia, Archives of General Psychiatry, vol.60, issue.6, pp.565-571, 2003.
DOI : 10.1001/archpsyc.60.6.565

A. Barajas, S. Ochoa, J. E. Obiols, and L. Lalucat-jo, Gender Differences in Individuals at High-Risk of Psychosis: A Comprehensive Literature Review, The Scientific World Journal, vol.152, issue.6, p.430735, 2015.
DOI : 10.1111/j.1600-0447.2009.01372.x

R. C. Bland, S. C. Newman, and H. Orn, Help-Seeking for Psychiatric Disorders, The Canadian Journal of Psychiatry, vol.286, issue.9
DOI : 10.1136/bmj.286.6360.191

V. Kovess-masfety, Differences in Lifetime Use of Services for Mental Health Problems in Six European Countries, Psychiatric Services, vol.58, issue.2, pp.213-220, 2007.
DOI : 10.1176/ps.2007.58.2.213

J. Stowkowy, M. A. Colijn, and J. Addington, Pathways to care for those at clinical high risk of developing psychosis, Early Intervention in Psychiatry, vol.4, issue.1, pp.80-83, 2013.
DOI : 10.1111/j.1751-7893.2010.00180.x

V. A. Cairns, G. S. Reid, and C. Murray, Family members' experience of seeking help for first-episode psychosis on behalf of a loved one: a meta-synthesis of qualitative research, Early Intervention in Psychiatry, vol.13, issue.3, pp.185-199, 2015.
DOI : 10.1177/1049732303253462

K. K. Anderson, R. Fuhrer, and A. K. Malla, ???There are too many steps before you get to where you need to be???: Help-seeking by patients with first-episode psychosis, Journal of Mental Health, vol.47, issue.4, pp.384-395, 2013.
DOI : 10.1007/s00127-011-0399-z

G. Guest, A. Bunce, and L. Johnson, How Many Interviews Are Enough?, Field Methods, vol.22, issue.2, pp.59-82, 2006.
DOI : 10.1097/00007435-199501000-00003

L. Benoit, Penser le risque de schizophrénie :Enjeux pronostiques lors du travail clinique auprès de jeunes patients, 2016.

G. Charbonneau, Introduction à la psychopathologie phénoménologie T. I. (MJW Fédition, 2010.

B. Martin and M. Piot, Approche ph??nom??nologique de la schizophr??nie, L'information psychiatrique, vol.87, issue.10, pp.781-790, 2012.
DOI : 10.3917/inpsy.8710.0781

E. Minkowski, Le temps vécu : Etudes phénoménologiques et psychopathologiques, 1933.

T. Fuchs, Subjectivity and Intersubjectivity in Psychiatric Diagnosis, Psychopathology, vol.43, issue.4, pp.268-274, 2010.
DOI : 10.1159/000315126

L. Jansson, P. Handest, J. Nielsen, D. Saebye, and J. Parnas, Exploring boundaries of schizophrenia: a comparison of ICD-10 with other diagnostic systems in first-admitted patients. World Psychiatry Off, J. World Psychiatr. Assoc. WPA, vol.1, pp.109-114, 2002.

N. C. Andreasen, DSM and the Death of Phenomenology in America: An Example of Unintended Consequences, Schizophrenia Bulletin, vol.33, issue.1, pp.108-112, 2007.
DOI : 10.1093/schbul/sbl054

P. D. Mcgorry, A. R. Yung, and L. J. Phillips, The "Close-in" or Ultra High-Risk Model: A Safe and Effective Strategy for Research and Clinical Intervention in Prepsychotic Mental Disorder, Schizophrenia Bulletin, vol.29, issue.4, pp.771-790, 2003.
DOI : 10.1093/oxfordjournals.schbul.a007046

J. Parnas, Clinical detection of schizophrenia-prone individuals: Critical appraisal, The British Journal of Psychiatry, vol.187, issue.48
DOI : 10.1192/bjp.187.48.s111

L. A. Sass and J. Parnas, Schizophrenia, Consciousness, and the Self, Schizophrenia Bulletin, vol.29, issue.3, pp.427-444, 2003.
DOI : 10.1093/oxfordjournals.schbul.a007017

A. Raballo and C. Maggini, Experiential Anomalies and Self-Centrality in Schizophrenia, Psychopathology, vol.19, issue.3, pp.124-132, 2005.
DOI : 10.1159/000068593

J. Klosterkötter, M. Hellmich, E. M. Steinmeyer, and F. Schultze-lutter, Diagnosing Schizophrenia in the Initial Prodromal Phase, Archives of General Psychiatry, vol.58, issue.2, pp.158-164, 2001.
DOI : 10.1001/archpsyc.58.2.158

B. Nelson, A. R. Yung, S. M. Francey, C. Stanford, P. D. Mcgorry et al., WC1E BASIC SYMPTOMS IN THE UHR POPULATION AT THE PACE CLINIC, Schizophrenia Research, vol.86, p.5, 2006.
DOI : 10.1016/S0920-9964(06)70016-0

G. Gross and G. Huber, The true onset of schizophrenia in its meaning for the view of the disorder, Neurol Psychiatry Brain Res, vol.4, pp.93-102, 1996.

L. A. Sass, Madness and Modernism : Insanity in the Light of Modern Art, Literature and Thought, 1992.

J. Parnas, L. Jansson, L. A. Sass, and P. Handest, Self-experience in the prodromal phases of schizophrenia: a pilot study of first admissions, Neurol Psychiatry Brain Res, pp.107-116, 1998.

P. Møller and R. Husby, The Initial Prodrome in Schizophrenia: Searching for Naturalistic Core Dimensions of Experience and Behavior, Schizophrenia Bulletin, vol.26, issue.1, pp.217-232, 2000.
DOI : 10.1093/oxfordjournals.schbul.a033442

P. Handest and J. Parnas, Clinical characteristics of first-admitted patients with ICD-10 schizotypal disorder, The British Journal of Psychiatry, vol.187, issue.48, pp.49-54, 2005.
DOI : 10.1192/bjp.187.48.s49

J. Parnas, P. Handest, L. Jansson, and D. Saebye, Anomalous Subjective Experience among First-Admitted Schizophrenia Spectrum Patients: Empirical Investigation, Psychopathology, vol.38, issue.5, pp.259-267, 2005.
DOI : 10.1093/oxfordjournals.schbul.a033442

J. Parnas, P. Handest, D. Saebye, and L. Jansson, Anomalies of subjective experience in schizophrenia and psychotic bipolar illness, Acta Psychiatrica Scandinavica, vol.134, issue.6, pp.126-133, 2003.
DOI : 10.1016/S0920-9964(00)00071-2

A. Raballo and J. Parnas, The Silent Side of the Spectrum: Schizotypy and the Schizotaxic Self, Schizophrenia Bulletin, vol.37, issue.5, pp.1017-1026, 2011.
DOI : 10.1093/schbul/sbq008

A. Raballo and J. Parnas, Examination of Anomalous Self-Experience, The Journal of Nervous and Mental Disease, vol.200, issue.7, pp.577-583, 2012.
DOI : 10.1097/NMD.0b013e31825bfb41

J. Parnas, EASE: Examination of Anomalous Self-Experience, Psychopathology, vol.29, issue.5, pp.236-258, 2005.
DOI : 10.1093/oxfordjournals.schbul.a007017

J. Parnas, EASE: Examination of Anomalous Self-Experience, Psychopathology, vol.29, issue.5, pp.121-145, 2012.
DOI : 10.1093/oxfordjournals.schbul.a007017

B. Nelson, A. Thompson, and A. R. Yung, Basic Self-Disturbance Predicts Psychosis Onset in the Ultra High Risk for Psychosis "Prodromal" Population, Schizophrenia Bulletin, vol.38, issue.6, pp.1277-1287, 2012.
DOI : 10.1093/schbul/sbs007

A. Raballo, Self-Disorders and Clinical High Risk for Psychosis: An Empirical Study in Help-Seeking Youth Attending Community Mental Health Facilities, Schizophrenia Bulletin, vol.42, issue.4, pp.926-932, 2016.
DOI : 10.1093/schbul/sbv223

A. R. Yung, Testing the Ultra High Risk (prodromal) criteria for the prediction of psychosis in a clinical sample of young people, Schizophrenia Research, vol.84, issue.1, pp.57-66, 2006.
DOI : 10.1016/j.schres.2006.03.014

H. Verdoux and J. Van-os, Psychotic symptoms in non-clinical populations and the continuum of psychosis, Schizophrenia Research, vol.54, issue.1-2, pp.59-65, 2002.
DOI : 10.1016/S0920-9964(01)00352-8

H. Häfner, Schizophrenia and depression: Challenging the paradigm of two separate diseases???A controlled study of schizophrenia, depression and healthy controls, Schizophrenia Research, vol.77, issue.1, pp.11-24, 2005.
DOI : 10.1016/j.schres.2005.01.004

B. Nelson, L. A. Sass, and B. Skodlar, The Phenomenological Model of Psychotic Vulnerability and Its Possible Implications for Psychological Interventions in the Ultra-High Risk (‘Prodromal’) Population, Psychopathology, vol.42, issue.5, pp.283-292, 2009.
DOI : 10.1159/000228837

J. P. Lacro, L. B. Dunn, C. R. Dolder, S. G. Leckband, and D. V. Jeste, Prevalence of and Risk Factors for Medication Nonadherence in Patients With Schizophrenia, The Journal of Clinical Psychiatry, vol.63, issue.10, pp.892-909, 2002.
DOI : 10.4088/JCP.v63n1007

A. R. Mintz, K. S. Dobson, and D. M. Romney, Insight in schizophrenia: a meta-analysis, Schizophrenia Research, vol.61, issue.1
DOI : 10.1016/S0920-9964(02)00316-X

M. G. Henriksen and J. Parnas, Self-disorders and Schizophrenia: A Phenomenological Reappraisal of Poor Insight and Noncompliance, Schizophrenia Bulletin, vol.40, issue.3, pp.542-547, 2014.
DOI : 10.1093/schbul/sbt087

A. Abu-akel and A. L. Bailey, Letter, Psychological Medicine, vol.30, issue.3, pp.735-738, 2000.
DOI : 10.1017/S0033291799002123

A. Mcghie and J. Chapman, Disorders of attention and perception in early schizophrenia, British Journal of Medical Psychology, vol.34, issue.2
DOI : 10.1111/j.2044-8341.1961.tb00936.x

S. M. Arnfred, R. P. Hemmingsen, and J. Parnas, Delayed early proprioceptive information processing in schizophrenia, The British Journal of Psychiatry, vol.189, issue.6, pp.558-559, 2006.
DOI : 10.1192/bjp.bp.105.017087

F. Schultze-lutter, Revisiting the Basic Symptom Concept: Toward Translating Risk Symptoms for Psychosis into Neurobiological Targets, Frontiers in Psychiatry, vol.511, issue.7510, 2016.
DOI : 10.1038/nature13595

H. Häfner and B. Nowotny, Epidemiology of early-onset schizophrenia, Eur. Arch. Psychiatry Clin

B. G. Schimmelmann, P. Conus, S. Cotton, P. D. Mcgorry, and M. Lambert, Pre-treatment, baseline, and outcome differences between early-onset and adult-onset psychosis in an epidemiological cohort of 636 first-episode patients, Schizophrenia Research, vol.95, issue.1-3, pp.1-8, 2007.
DOI : 10.1016/j.schres.2007.06.004

B. G. Schimmelmann and F. Schultze-lutter, Early detection and intervention of psychosis in children and adolescents: urgent need for studies, European Child & Adolescent Psychiatry, vol.57, issue.11, pp.239-241, 2012.
DOI : 10.1001/archpsyc.57.11.1053

F. Schultze-lutter, EPA guidance on the early detection of clinical high risk states of psychoses, European Psychiatry, vol.30, issue.3
DOI : 10.1016/j.eurpsy.2015.01.010

M. Armando, Twelve-month psychosis-predictive value of the ultra-high risk criteria in children and adolescents, Schizophrenia Research, vol.169, issue.1-3, pp.186-192, 2015.
DOI : 10.1016/j.schres.2015.10.033

P. Welsh and P. A. Tiffin, Experience of child and adolescent mental health clinicians working within an at-risk mental state for psychosis service: a qualitative study, Early Intervention in Psychiatry, vol.3, issue.5-6, pp.207-211, 2012.
DOI : 10.1191/1478088706qp063oa

D. J. Walder, V. Mittal, H. D. Trotman, A. L. Mcmillan, and E. Walker, Neurocognition and conversion to psychosis in adolescents at high-risk, Schizophrenia Research, vol.101, issue.1-3, pp.161-168, 2008.
DOI : 10.1016/j.schres.2007.12.477

URL : https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2465209/pdf

T. B. Ziermans, P. F. Schothorst, M. Sprong, and H. Van-engeland, Transition and remission in adolescents at ultra-high risk for psychosis, Schizophrenia Research, vol.126, issue.1-3, pp.58-64, 2011.
DOI : 10.1016/j.schres.2010.10.022

J. M. Rubio, J. Sanjuán, L. Flórez-salamanca, and M. J. Cuesta, Examining the course of hallucinatory experiences in children and adolescents: A systematic review, Schizophrenia Research, vol.138, issue.2-3, pp.248-254, 2012.
DOI : 10.1016/j.schres.2012.03.012

I. Kelleher, Identification and Characterization of Prodromal Risk Syndromes in Young Adolescents in the Community: A Population-Based Clinical Interview Study, Schizophrenia Bulletin, vol.38, issue.2, pp.239-246, 2012.
DOI : 10.1093/schbul/sbr164

I. Kelleher, Clinicopathological significance of psychotic experiences in non-psychotic young people: evidence from four population-based studies, The British Journal of Psychiatry, vol.201, issue.1, pp.26-32, 2012.
DOI : 10.1192/bjp.bp.111.101543

M. Brandizzi, Self-reported attenuated psychotic-like experiences in help-seeking adolescents and their association with age, functioning and psychopathology, Schizophrenia Research, vol.160, issue.1-3, pp.110-117, 2014.
DOI : 10.1016/j.schres.2014.10.005

B. G. Schimmelmann, C. Michel, A. Martz-irngartinger, C. Linder, and F. Schultze-lutter, Age matters in the prevalence and clinical significance of ultra-high-risk for psychosis symptoms and criteria in the general population: Findings from the BEAR and BEARS-kid studies, World Psychiatry, vol.48, issue.Suppl. 2, pp.189-197, 2015.
DOI : 10.1177/0004867413513341

F. Schultze-lutter, M. Marshall, and E. Koch, Schizophrenia Proneness Instrument ? Child and Youth Version, Extended English Translation (SPI-CY EET), 2012.

L. Fux, P. Walger, B. G. Schimmelmann, and F. Schultze-lutter, The Schizophrenia Proneness Instrument, Child and Youth version (SPI-CY): Practicability and discriminative validity, Schizophrenia Research, vol.146, issue.1-3, pp.69-78, 2013.
DOI : 10.1016/j.schres.2013.02.014

H. Meng, Basic symptoms in the general population and in psychotic and non-psychotic psychiatric adolescents, Schizophrenia Research, vol.111, issue.1-3, pp.32-38, 2009.
DOI : 10.1016/j.schres.2009.03.001

F. Schultze-lutter, S. Ruhrmann, and &. Klosterkotter, The dimensional structure of selfreported 'prodromal' disturbances in schizophrenia. Clin, Neuropsychiatry, vol.140, p.150, 2008.

E. Koch, F. Schultze-lutter, B. G. Schimmelmann, and F. Resch, On the importance and detection of prodromal symptoms from the perspective of child and adolescent psychiatry, 2010.

C. Alexandre, ????La psychose de l???adolescent et du jeune adulte????, sous le regard crois????p??dopsychiatrie???????psychiatrie adulte, Neuropsychiatrie de l'Enfance et de l'Adolescence, vol.61, issue.7-8, pp.422-427, 2013.
DOI : 10.1016/j.neurenf.2013.07.003

L. A. Sroufe, The Concept of Development in Developmental Psychopathology, Child Development Perspectives, vol.15, issue.3, pp.178-183, 2009.
DOI : 10.1080/00332747.1991.11024540

A. Bosma and H. , Introduction à la psychopathologie développementale, Orientat. Sc. Prof, pp.251-268, 2006.

D. Cohen, Probabilistic epigenesis: An alternative causal model for conduct disorders in children and adolescents, Neuroscience & Biobehavioral Reviews, vol.34, issue.1, pp.119-129, 2010.
DOI : 10.1016/j.neubiorev.2009.07.011

E. Bentley, High-risk diagnosis, social stress, and parent-child relationships: A moderation model, Schizophrenia Research, vol.174, issue.1-3, pp.65-70, 2016.
DOI : 10.1016/j.schres.2016.04.014

G. Catone, Bullying victimisation and risk of psychotic phenomena: analyses of British national survey data, The Lancet Psychiatry, vol.2, issue.7, pp.618-624, 2015.
DOI : 10.1016/S2215-0366(15)00055-3

J. Newbury, Why Are Children in Urban Neighborhoods at Increased Risk for Psychotic Symptoms? Findings From a UK Longitudinal Cohort Study, Schizophrenia Bulletin, vol.42, issue.6, p.52, 2016.
DOI : 10.1093/schbul/sbw052

R. K. Salokangas, Psychometric properties of the Trauma and Distress Scale, TADS, in an adult community sample in Finland, European Journal of Psychotraumatology, vol.92, issue.1, p.30062, 2016.
DOI : 10.1192/apt.bp.106.002840

T. Ilonen, M. Heinimaa, J. Korkeila, T. Svirskis, and R. K. Salokangas, Differentiating adolescents at clinical high risk for psychosis from psychotic and non-psychotic patients with the Rorschach, Psychiatry Research, vol.179, issue.2, pp.151-156, 2010.
DOI : 10.1016/j.psychres.2009.04.011

R. Gajwani, P. Patterson, and M. Birchwood, Attachment: Developmental pathways to affective dysregulation in young people at ultra-high risk of developing psychosis, British Journal of Clinical Psychology, vol.60, issue.5, pp.424-437, 2013.
DOI : 10.1016/S0920-9964(02)00167-6

D. A. Schlosser, A randomized trial of family focused treatment for adolescents and young adults at risk for psychosis: study rationale, design and methods, Early Intervention in Psychiatry, vol.65, issue.3, pp.283-291, 2009.
DOI : 10.1001/archpsyc.65.9.1053

O. 'brien and M. P. , A randomized trial of family focused therapy with populations at clinical high risk for psychosis: Effects on interactional behavior., Journal of Consulting and Clinical Psychology, vol.82, issue.1, pp.90-101, 2014.
DOI : 10.1037/a0034667

N. Granö, Community-oriented family-based intervention superior to standard treatment in improving depression, hopelessness and functioning among adolescents with any psychosis-risk symptoms, Psychiatry Research, vol.237, pp.9-16, 2016.
DOI : 10.1016/j.psychres.2016.01.037

J. Olié, F. Mouaffak, M. Krebs, and H. Lôo, Les schizophr??nies, maladies du neurod??veloppement, Annales Pharmaceutiques Fran??aises, vol.67, issue.4, pp.251-255, 2009.
DOI : 10.1016/j.pharma.2009.02.009

K. R. Laurens, Community screening for psychotic-like experiences and other putative antecedents of schizophrenia in children aged 9???12??years, Schizophrenia Research, vol.90, issue.1-3, pp.130-146, 2007.
DOI : 10.1016/j.schres.2006.11.006

K. R. Laurens and A. E. Cullen, Toward earlier identification and preventative intervention in schizophrenia: evidence from the London Child Health and Development Study, Social Psychiatry and Psychiatric Epidemiology, vol.110, issue.1???3, pp.10-1007, 2015.
DOI : 10.1016/j.schres.2009.01.006

A. E. Cullen, Temporal Lobe Volume Abnormalities Precede the Prodrome: A Study of Children Presenting Antecedents of Schizophrenia, Schizophrenia Bulletin, vol.39, issue.6, pp.1318-1327, 2013.
DOI : 10.1093/schbul/sbs128

K. R. Laurens, Error-Related Processing Dysfunction in Children Aged 9 to 12 Years Presenting Putative Antecedents of Schizophrenia, Biological Psychiatry, vol.67, issue.3, pp.238-245, 2010.
DOI : 10.1016/j.biopsych.2009.07.030

J. M. Bruggemann, H. V. Stockill, R. K. Lenroot, and K. Laurens, Mismatch negativity (MMN) and sensory auditory processing in children aged 9???12years presenting with putative antecedents of schizophrenia, International Journal of Psychophysiology, vol.89, issue.3, pp.374-380, 2013.
DOI : 10.1016/j.ijpsycho.2013.05.008

D. Macmanus, Movement abnormalities and psychotic-like experiences in childhood: markers of developing schizophrenia?, Psychological Medicine, vol.20, issue.01, pp.99-109, 2012.
DOI : 10.1017/S0954579499002187

J. Kindler, Abnormal involuntary movements are linked to psychosis-risk in children and adolescents: Results of a population-based study al. Modelling psychosocial influences on the distress and impairment caused by psychotic-like experiences in children and adolescents, Schizophr. Res. Eur. Child Adolesc. Psychiatry, vol.23, pp.715-722, 2013.

A. E. Cullen, F. L. Day, R. E. Roberts, C. M. Pariante, and K. R. Laurens, Conclusions, Psychological Medicine, vol.47, issue.15, pp.3281-3292, 2015.
DOI : 10.1111/pcn.12093

A. E. Cullen, H. L. Fisher, R. E. Roberts, C. M. Pariante, and K. R. Laurens, Daily stressors and negative life events in children at elevated risk of developing schizophrenia, The British Journal of Psychiatry, vol.204, issue.5, pp.354-360, 2014.
DOI : 10.1192/bjp.bp.113.127001

J. Perez, Clinical effectiveness and cost-effectiveness of tailored intensive liaison between primary and secondary care to identify individuals at risk of a first psychotic illness (the LEGs study): a cluster-randomised controlled trial, The Lancet Psychiatry, vol.2, issue.11, pp.984-993, 2015.
DOI : 10.1016/S2215-0366(15)00157-1

P. Fusar-poli, F. Schultze-lutter, and J. Addington, Intensive community outreach for those at ultra high risk of psychosis: dilution, not solution, The Lancet Psychiatry, vol.3, issue.1, p.18, 2016.
DOI : 10.1016/S2215-0366(15)00491-5

P. Fusar-poli, The Dark Side of the Moon: Meta-analytical Impact of Recruitment Strategies on Risk Enrichment in the Clinical High Risk State for Psychosis, Schizophrenia Bulletin, vol.42, issue.3, pp.732-743, 2016.
DOI : 10.1093/schbul/sbv162

E. Kline, Psychosis-like experiences and distress among adolescents using mental health services, Schizophrenia Research, vol.152, issue.2-3, pp.498-502, 2014.
DOI : 10.1016/j.schres.2013.12.012

N. Rüsch, Well-Being Among Persons at Risk of Psychosis: The Role of Self-Labeling, Shame, and Stigma Stress, Psychiatric Services, vol.65, issue.4, pp.483-489, 2014.
DOI : 10.1176/appi.ps.201300169

N. Granö, Anxiety symptoms in adolescents at risk for psychosis: a comparison among help seekers, Child and Adolescent Mental Health, vol.126, issue.2, pp.97-101, 2014.
DOI : 10.1016/j.schres.2010.10.022

N. Granö, Health-related quality of life among adolescents: a comparison between subjects at risk for psychosis and other help seekers, Early Intervention in Psychiatry, vol.58, issue.Suppl., pp.163-169, 2014.
DOI : 10.1001/archpsyc.58.2.158

C. Hui, Psychiatric morbidity, functioning and quality of life in young people at clinical high risk for psychosis, Schizophrenia Research, vol.148, issue.1-3, pp.175-180, 2013.
DOI : 10.1016/j.schres.2013.05.026

R. K. Salokangas, Axis I diagnoses and transition to psychosis in clinical high-risk patients EPOS project: Prospective follow-up of 245 clinical high-risk outpatients in four countries, Schizophrenia Research, vol.138, issue.2-3, pp.192-197, 2012.
DOI : 10.1016/j.schres.2012.03.008

S. Ruhrmann, F. Schultze-lutter, and J. Klosterkötter, Probably at-risk, but certainly ill ??? Advocating the introduction of a psychosis spectrum disorder in DSM-V, Schizophrenia Research, vol.120, issue.1-3, pp.23-37, 2010.
DOI : 10.1016/j.schres.2010.03.015

A. Collins and J. Holmshaw, Accessed: 17th Early detection: a survey of secondary school teachers' knowledge about psychosis, Association Nationale des Maisons Des Adolescents Available at, pp.90-97, 2008.

B. Durand, Une d??marche de??rep??rage pr??coce des??troubles, Neuropsychiatrie de l'Enfance et de l'Adolescence, vol.55, issue.8, pp.486-488, 2007.
DOI : 10.1016/j.neurenf.2007.06.006

Y. Wei, J. A. Hayden, S. Kutcher, A. Zygmunt, and P. Mcgrath, The effectiveness of school mental health literacy programs to address knowledge, attitudes and help seeking among youth, Early Intervention in Psychiatry, vol.163, issue.S1, pp.109-121, 2013.
DOI : 10.1001/archpediatrics.2008.539

B. Lamboy and T. Saïas, R??duire la stigmatisation des personnes souffrant de troubles psychiques par une campagne de communication??? Une synth??se de la litt??rature, Annales M??dico-psychologiques, revue psychiatrique, vol.171, issue.2, pp.77-82, 2013.
DOI : 10.1016/j.amp.2010.11.022

C. Henderson and G. Thornicroft, Evaluation of the Time to Change programme in England, 2008.

C. Jousselme and U. , Le nouveau visage de nos adolescents Available at: http://www.inserm.fr/espace-journalistes/le-nouveau-visage-de-nos-adolescents. (Accessed: 25th, Lancet, vol.244, issue.374, pp.635-645, 2009.