Investigating the meanings and mechanisms of psychotic experiences in young people: a novel, mixed-methods approach

Project Information

iHEAR

Grant agreement ID: 724809

DOI

10.3030/724809

Project closed

EC signature date 10 May 2017

Start date 1 June 2017

End date 31 May 2023

Funded under

• EXCELLENT SCIENCE - European Research Council (ERC)

Total cost

€ 1 781 622,96

EU contribution

€ 1 781 622,96

Coordinated by

ROYAL COLLEGE OF SURGEONS IN IRELAND
Ireland

CORDIS provides links to public deliverables and publications of HORIZON projects.

Links to deliverables and publications from FP7 projects, as well as links to some specific result types such as dataset and software, are dynamically retrieved from OpenAIRE .

Publications

Non-peer reviewed articles (1)

We Need to Talk About Prevention

Author(s): Colm Healy, Mary Cannon
Published in: American Journal of Psychiatry, Issue 177/4, 2020, Page(s) 285-287, ISSN 0002-953X
Publisher: American Psychiatric Publishing, Inc.
DOI: 10.1176/appi.ajp.2020.20020155

Peer reviewed articles (35)

Early adult mental health, functional and neuropsychological outcomes of young people who have reported psychotic experiences: a 10-year longitudinal study

Author(s): Eleanor Carey, Diane Gillan, Colm Healy, Niamh Dooley, Donal Campbell, Josen McGrane, Aisling O'Neill, Helen Coughlan, Mary Clarke, Ian Kelleher, Mary Cannon
Published in: Psychological Medicine, 2020, ISSN 0033-2917
Publisher: Cambridge University Press
DOI: 10.1017/s0033291720000616

Mediators of the longitudinal relationship between childhood adversity and late adolescent psychopathology

Author(s): Colm Healy, Aisling Eaton, Isabel Cotter, Ellen Carter, Niamh Dhondt, Mary Cannon
Published in: Psychological Medicine, 2021, ISSN 0033-2917
Publisher: Cambridge University Press
DOI: 10.1017/s0033291721000477

Incidence and Persistence of Psychotic Experiences in the General Population: Systematic Review and Meta-Analysis.

Author(s): Staines, L., Healy, C., Murphy, F., Byrne, J., Murphy, J., Kelleher, I., Cotter, D., & Cannon, M.
Published in: Schizophrenia Bulletin, 2023, ISSN 0586-7614
Publisher: Oxford University Press
DOI: 10.1093/schbul/sbad056

Investigating the effectiveness of three school based interventions for preventing psychotic experiences over a year period – a secondary data analysis study of a randomized control trial.

Author(s): Staines, L., Healy, C., Corcoran, P., Keeley, H., Coughlan, H., McMahon, E., Cotter, P., Cotter, D., Kelleher, I., Wasserman, C., Brunner, R., Kaess, M., Sarchiapone, M., Hoven, C. W., Carli, V., Wasserman, D., & Cannon, M. (2023).
Published in: BMC Public Health, Issue 23(1), 219, 2023, Page(s) 219, ISSN 1471-2458
Publisher: BioMed Central
DOI: 10.1186/s12889-023-15107-x 

Multiple Network Dysconnectivity in Adolescents with Psychotic Experiences: a longitudinal population-based study

Author(s): Aisling O'Neill, Eleanor Carey, Niamh Dooley, Colm Healy, Helen Coughlan, Clare Kelly, Thomas Frodl, Erik O'Hanlon, Mary Cannon
Published in: Schizophrenia Bulletin, 2020, ISSN 0586-7614
Publisher: Oxford University Press
DOI: 10.1093/schbul/sbaa056

Evidence that infant and early childhood developmental impairments are associated with hallucinatory experiences: Results from a large, population-based cohort study

Author(s): Eleanor Carey, Colm Healy, Yael Perry, Diane Gillan, Andrew J. O. Whitehouse, Mary Cannon and Ashleigh Lin
Published in: Psychological Medicine, 2021, ISSN 0033-2917
Publisher: Cambridge University Press
DOI: 10.1017/s0033291721003883

Childhood Trauma, the HPA Axis and Psychiatric Illnesses: A Targeted Literature Synthesis.

Author(s): Murphy F, Nasa A, Cullinane D, Raajakesary K, Gazzaz A, Sooknarine V, Haines M, Roman E, Kelly L, O'Neill A, Cannon M, Roddy DW.
Published in: Frontiers in Psychiatry, 2022, ISSN 1664-0640
Publisher: Frontiers Research Foundation
DOI: 10.3389/fpsyt.2022.748372

Transdiagnostic inflammatory subgroups among psychiatric disorders and their relevance to role functioning: a nested case-control study of the ALSPAC cohort. T

Author(s): Byrne, J.F., Healy, C., Mongan, D., Susai SR, Zammit S, Focking M., Cannon M, Cotter DR
Published in: Translational Psychaitry, 2022, ISSN 2158-3188
Publisher: Nature Publishing Group
DOI: 10.1038/s41398-022-02142-2

What mediates the longitudinal relationship between psychotic experiences and psychopathology?

Author(s): Colm Healy, Helen Coughlan, Mary Clarke, Ian Kelleher, Mary Cannon
Published in: Journal of Abnormal Psychology, 2020, ISSN 0021-843X
Publisher: American Psychological Association
DOI: 10.1037/abn0000523

Online mental health animations for young people: qualitative empirical thematic analysis and knowledge transfer

Author(s): Coughlan H, Quin D, O'Brien K, Healy C, Deacon J, Kavanagh N, Humphries N, Clarke MC, Cannon M
Published in: Journal of Medical Internet Research, 2021, ISSN 1438-8871
Publisher: Journal of medical Internet Research
DOI: 10.2196/21338

Self-reported interpersonal and educational/vocational difficulties in young adults with a history of transient psychotic experiences: findings from a population-based study

Author(s): Helen Coughlan; Erin Walton-Ball; Eleanor Carey; Colm Healy; Grace O'Regan-Murphy; Aoife Nic Uidhir; Mary Clarke; Mary Cannon
Published in: BMC Psychiatry, Vol 21, Iss 1, Pp 1-11 (2021), 2021, ISSN 1471-244X
Publisher: BioMed Central
DOI: 10.1186/s12888-020-03022-z

MRI volumetric changes in hippocampal subfields in psychosis: a protocol for a systematic review and meta-analysis

Author(s): Nasa A, Mosley O, Roman E, Kelliher A, Gaughan C, Levins KJ, Coppinger D, O'Hanlon E, Cannon M, Roddy DW.
Published in: Syst Rev., 2022, ISSN 2046-4053
Publisher: BioMed Central
DOI: 10.1186/s13643-022-01916-5

Psychotic experiences in the general population, a review; definition, risk factors, outcomes and interventions.

Author(s): Staines, L., Healy, C., Coughlan, H., Clarke, M., Kelleher, I., Cotter, D., & Cannon, M.
Published in: Psychological Medicine, 2022, ISSN 0033-2917
Publisher: Cambridge University Press
DOI: 10.1017/s0033291722002550

Social cognition and self-reported ASD traits in young adults who have reported psychotic experiences: A population-based, longitudinal study

Author(s): Eleanor Carey, Diane Gillan, Tom Burke, Annette Burns, Tanya Murphy, Ian Kelleher, Mary Cannon
Published in: Schizophrenia Research, Issue Volume 237, November 2021, 2021, Page(s) 54-61, ISSN 0920-9964
Publisher: Elsevier BV
DOI: 10.1016/j.schres.2021.08.028

Longitudinal Gray Matter Development Associated With Psychotic Experiences in Young People

Author(s): Aisling O’Neill, Niamh Dooley, Colm Healy, Eleanor Carey, Darren Roddy, Thomas Frodl, Erik O’Hanlon, and Mary Cannon
Published in: Biological Psychiatry: Global Open Science, 2022, ISSN 2667-1743
Publisher: Elsevier
DOI: 10.1016/j.bpsgos.2022.02.003

Reduced hippocampal volume in adolescents with psychotic experiences: a longitudinal population-based study

Author(s): Ana Calvo, Darren Roddy, Helen Coughlan, Ian Kelleher, Colm Healy, Michelle Harley, Mary Clarke, Alexander Leemans, Thomas Frodl, Erik O'Hanlon, Mary Cannon
Published in: PLoS ONE, 2020, ISSN 1932-6203
Publisher: Public Library of Science
DOI: 10.1371/journal.pone.0233670

Childhood psychotic experiences are associated with poorer global functioning throughout adolescence and into early adulthood

Author(s): C. Healy, D. Campbell, H. Coughlan, M. Clarke, I. Kelleher, M. Cannon
Published in: Acta Psychiatrica Scandinavica, Issue 138/1, 2018, Page(s) 26-34, ISSN 0001-690X
Publisher: Blackwell Publishing Inc.
DOI: 10.1111/acps.12907

Do childhood psychotic experiences improve the prediction of adolescent psychopathology? A longitudinal population-based study

Author(s): Colm Healy, Aoife A. Gordon, Helen Coughlan, Mary Clarke, Ian Kelleher, Mary Cannon
Published in: Early Intervention in Psychiatry, 2018, ISSN 1751-7885
Publisher: Blackwell Publishing Inc.
DOI: 10.1111/eip.12762

O12.2. STICKS AND STONES MAY BREAK MY BONES BUT WORDS INCREASE THE RISK OF PSYCHOTIC EXPERIENCES

Author(s): Colm Healy, Mary Clarke, Ian Kelleher, Mary Cannon
Published in: Schizophrenia Bulletin, Issue 44/suppl_1, 2018, Page(s) S109-S110, ISSN 0586-7614
Publisher: Oxford University Press
DOI: 10.1093/schbul/sby015.270

T83. PROCESSING SPEED PERFORMANCE AND FUNCTIONING IN YOUNG ADOLESCENTS EXPERIENCING AUDITORY HALLUCINATIONS

Author(s): Joanne Kenney, Ian Kelleher, Colm Healy, Niamh Dooley, Eleanor Carey, Amy Adair, Donal Campbell, Helen Coughlan, Erik O’ Hanlon, Mary Cannon
Published in: Schizophrenia Bulletin, Issue 44/suppl_1, 2018, Page(s) S147-S147, ISSN 0586-7614
Publisher: Oxford University Press
DOI: 10.1093/schbul/sby016.359

Fine motor skill and processing speed deficits in young people with psychotic experiences: A longitudinal study

Author(s): Eleanor Carey, Niamh Dooley, Diane Gillan, Colm Healy, Helen Coughlan, Mary Clarke, Ian Kelleher, Mary Cannon
Published in: Schizophrenia Research, 2018, ISSN 0920-9964
Publisher: Elsevier BV
DOI: 10.1016/j.schres.2018.08.014

Early risk and protective factors and young adult outcomes in a longitudinal sample of young people with a history of psychotic‐like experiences

Author(s): Helen Coughlan, Colm Healy, Áine Ní Sheaghdha, Gareth Murray, Niamh Humphries, Mary Clarke, Mary Cannon
Published in: Early Intervention in Psychiatry, Issue 2019, 2019, Page(s) 1-14, ISSN 1751-7885
Publisher: Blackwell Publishing Inc.
DOI: 10.1111/eip.12855

Childhood adversity and adolescent psychopathology: evidence for mediation in a national longitudinal cohort study

Author(s): Niamh Dhondt, Colm Healy, Mary Clarke, Mary Cannon
Published in: British Journal of Psychiatry, Issue 215/3, 2019, Page(s) 559-564, ISSN 0007-1250
Publisher: Royal College of Psychiatrists
DOI: 10.1192/bjp.2019.108

O6.1. HIPPOCAMPAL VOLUME IN ADOLESCENTS WITH PERSISTENT PSYCHOTIC EXPERIENCES: A LONGITUDINAL POPULATION-BASED MRI STUDY

Author(s): Ana Calvo, Erik O’Hanlon, Helen Coughlan, Ian Kelleher, Mary Clarke, Mary Cannon
Published in: Schizophrenia Bulletin, Issue 44/suppl_1, 2018, Page(s) S89-S89, ISSN 0586-7614
Publisher: Oxford University Press
DOI: 10.1093/schbul/sby015.222

Childhood and adolescent psychotic experiences and risk of mental disorder: a systematic review and meta-analysis

Author(s): Colm Healy, Ross Brannigan, Niamh Dooley, Helen Coughlan, Mary Clarke, Ian Kelleher, Mary Cannon
Published in: Psychological Medicine, Issue 49/10, 2019, Page(s) 1589-1599, ISSN 0033-2917
Publisher: Cambridge University Press
DOI: 10.1017/s0033291719000485

Changes in self‐concept and risk of psychotic experiences in adolescence: a longitudinal population‐based cohort study

Author(s): Colm Healy, Helen Coughlan, James Williams, Mary Clarke, Ian Kelleher, Mary Cannon
Published in: Journal of Child Psychology and Psychiatry, Issue 60/11, 2019, Page(s) 1164-1173, ISSN 0021-9630
Publisher: Blackwell Publishing Inc.
DOI: 10.1111/jcpp.13022

Inconsistent trauma reporting is associated with emotional and behavioural problems and psychotic experiences in young people

Author(s): Annette Burns, Helen Coughlan, Mary Cannon
Published in: BMC Psychiatry, Issue 20/1, 2020, ISSN 1471-244X
Publisher: BioMed Central
DOI: 10.1186/s12888-020-2438-3

Risk and protective factors for psychotic experiences in adolescence: a population-based study

Author(s): Elaine M. McMahon, Paul Corcoran, Helen Keeley, Mary Clarke, Helen Coughlan, Danuta Wasserman, Christina W. Hoven, Vladimir Carli, Marco Sarchiapone, Colm Healy, Mary Cannon
Published in: Psychological Medicine, 2020, Page(s) 1-9, ISSN 0033-2917
Publisher: Cambridge University Press
DOI: 10.1017/s0033291719004136

Phenomenological characteristics and explanations of unusual perceptual experiences, thoughts and beliefs in a population sample of early adolescents

Author(s): H. Coughlan, C. Healy, N. Humphries, M. Clarke, I. Kelleher, M. Cannon
Published in: Irish Journal of Psychological Medicine, Issue 4 issues per year, 2020, Page(s) 1-12, ISSN 0790-9667
Publisher: MedMedia Ltd.
DOI: 10.1017/ipm.2020.26

Childhood adversity and recurrence of psychotic experiences during adolescence: the role of mediation in an analysis of a population-based longitudinal cohort study

Author(s): Niamh Dhondt, Lorna Staines, Colm Healy, Mary Cannon
Published in: Psychological Medicine, 2022, ISSN 0033-2917
Publisher: Cambridge University Press
DOI: 10.1017/s003329172200071x

Does childhood trauma play a role in the aetiology of psychosis? A review of recent evidence

Author(s): Helen Coughlan, Mary Cannon
Published in: BJPsych Advances, Issue 23/5, 2017, Page(s) 307-315, ISSN 2056-4678
Publisher: Cambridge
DOI: 10.1192/apt.bp.116.015891

Associations between plasma inflammatory markers and psychotic disorder, depressive disorder and generalised anxiety disorder in early adulthood: A nested case-control study. Brain Behav Immun. 2023

Author(s): Mongan D, Susai SR, Focking M, Byrne JF, Zammit S, Cannon M, Cotter DR.
Published in: Brain Behav Immun., 2023, ISSN 0889-1591
Publisher: Academic Press
DOI: 10.1016/j.bbi.2023.03.025

Psychotic experiences in childhood are associated with increased structural integrity of the left arcuate fasciculus – A population-based case-control study

Author(s): Niamh Dooley, Erik O'Hanlon, Colm Healy, Amy Adair, Conor McCandless, David Coppinger, Ian Kelleher, Mary Clarke, Alexander Leemans, Thomas Frodl, Mary Cannon
Published in: Schizophrenia Research, Issue 215, 2020, Page(s) 378-384, ISSN 0920-9964
Publisher: Elsevier BV
DOI: 10.1016/j.schres.2019.08.022

Psychotic-like experiences? Trajectories and typologies of hallucinations and delusions from early adolescence to early adulthood in a population-based sample of Irish youth

Author(s): Helen Coughlan, Niamh Humphries, Mary Clarke, Colm Healy, Mary Cannon
Published in: Irish Journal of Psychological Medicine, 2021, ISSN 0790-9667
Publisher: Cambridge University Press
DOI: 10.1017/ipm.2021.31

Prenatal and perinatal complications in the development of psychosis: canaries in the coalmine

Author(s): Mary Cannon, Colm Healy, Mary Clarke, David Cotter
Published in: The Lancet Psychiatry, 2020, ISSN 2215-0366
Publisher: Elsevier Limited
DOI: 10.1016/s2215-0366(20)30095-x