Barnaby Nelson

Toxoplasma gondii, Herpesviridae and long-term risk of transition to first-episode psychosis in an ultra high-risk sample.

E Burkhardt, M Berger, RH Yolken, A Lin, HP Yuen, SJ Wood, SM Francey, A Thompson, PD McGorry, B Nelson, AR Yung, GP Amminger

Journal article  |  2021  |  Schizophr Res

BACKGROUND: Ultra high-risk (UHR) criteria were introduced to identify people at imminent risk of developing psychosis. To improve..

Cannabidiol for at risk for psychosis youth: A randomized controlled trial

G Paul Amminger, Ashleigh Lin, Melissa Kerr, Amber Weller, Jessica Spark, Charlotte Pugh, Sally O'Callaghan, Maximus Berger, Scott R Clark, James G Scott, Andrea Baker, Iain McGregor, David Cotter, Zoltan Sarnyai, Andrew Thompson, Alison R Yung, Brian O'Donoghue, Eoin Killackey, Cathy Mihalopoulos, Hok Pan Yuen, et al.

Journal article  |  2021  |  EARLY INTERVENTION IN PSYCHIATRY

BACKGROUND: No biological treatment has been firmly established for the at-risk stage of psychotic disorder. In this study we aim ..

Functional Connectivity in Antipsychotic-Treated and Antipsychotic-Naive Patients With First-Episode Psychosis and Low Risk of Self-harm or Aggression A Secondary Analysis of a Randomized Clinical Trial

Sidhant Chopra, Shona M Francey, Brian O'Donoghue, Kristina Sabaroedin, Aurina Arnatkeviciute, Vanessa Cropley, Barnaby Nelson, Jessica Graham, Lara Baldwin, Steven Tahtalian, Hok Pan Yuen, Kelly Allott, Mario Alvarez-Jimenez, Susy Harrigan, Christos Pantelis, Stephen J Wood, Patrick McGorry, Alex Fornito

Journal article  |  2021  |  JAMA PSYCHIATRY

Importance: Altered functional connectivity (FC) is a common finding in resting-state functional magnetic resonance imaging (rs-fM..

Cognitive ability and metabolic physical health in first-episode psychosis

Sarah Whitson, Brian O'Donoghue, Robert Hester, Lara Baldwin, Susy Harrigan, Shona Francey, Jessica Graham, Barnaby Nelson, Aswin Ratheesh, Mario Alvarez-Jimenez, Alex Fornito, Christos Pantelis, Hok Pan Yuen, Andrew Thompson, Melissa Kerr, Michael Berk, Stephen J Wood, Patrick McGorry, Kelly Allott

Journal article  |  2021  |  SCHIZOPHRENIA RESEARCH-COGNITION

Cognitive impairments are a core feature of first-episode psychosis (FEP), arising before illness onset and antipsychotic exposure..

Basic self-disturbance in subjects at clinical high risk for psychosis: Relationship with clinical and functional outcomes at one year follow-up

Tor Gunnar Vaernes, Jan Ivar Rossberg, Ingrid Melle, Barnaby Nelson, Kristin Lie Romm, Paul Moller

Journal article  |  2021  |  PSYCHIATRY RESEARCH

Basic self-disturbance (BSD) is assumed to drive symptom development in schizophrenia spectrum disorders and in clinical high-risk..

Preventive interventions for individuals at ultra high risk for psychosis: An updated and extended meta-analysis

Cristina Mei, Mark van der Gaag, Barnaby Nelson, Filip Smit, Hok Pan Yuen, Maximus Berger, Marija Krcmar, Paul French, G Paul Amminger, Andreas Bechdolf, Pim Cuijpers, Alison R Yung, Patrick D McGorry

Journal article  |  2021  |  CLINICAL PSYCHOLOGY REVIEW

Intervention at the earliest illness stage, in ultra or clinical high-risk individuals, or indicated prevention, currently represe..

Stress reactivity as a putative mechanism linking childhood trauma with clinical outcomes in individuals at ultra-high-risk for psychosis: Findings from the EU-GEI High Risk Study

I Paetzold, I Myin-Germeys, A Schick, B Nelson, E Velthorst, F Schirmbeck, J van Os, C Morgan, J Hartmann, M van der Gaag, L de Haan, L Valmaggia, P McGuire, M Kempton, U Reininghaus

Journal article  |  2021  |  EPIDEMIOLOGY AND PSYCHIATRIC SCIENCES

AIMS: Childhood trauma is associated with an elevated risk for psychosis, but the psychological mechanisms involved remain largely..

Association of Structural Magnetic Resonance Imaging Measures With Psychosis Onset in Individuals at Clinical High Risk for Developing Psychosis An ENIGMA Working Group Mega-analysis

Maria Jalbrzikowski, Rebecca A Hayes, Stephen J Wood, Dorte Nordholm, Juan H Zhou, Paolo Fusar-Poli, Peter J Uhlhaas, Tsutomu Takahashi, Gisela Sugranyes, Yoo Bin Kwak, Daniel H Mathalon, Naoyuki Katagiri, Christine I Hooker, Lukasz Smigielski, Tiziano Colibazzi, Esther Via, Jinsong Tang, Shinsuke Koike, Paul E Rasser, Chantal Michel, et al.

Journal article  |  2021  |  JAMA PSYCHIATRY

Importance: The ENIGMA clinical high risk (CHR) for psychosis initiative, the largest pooled neuroimaging sample of individuals at..

Longitudinal Changes in Functional Connectivity in Antipsychotic-Treated and Antipsychotic-Naive Patients With First Episode Psychosis: A Randomized, Triple-Blind Placebo-Controlled fMRI Study

Sidhant Chopra, Shona Francey, Brian O'Donoghue, Kristina Sabaroedin, Aurina Arnatkeviciute, Vanessa Cropley, Barnaby Nelson, Jessica Graham, Lara Baldwin, Hok Pan Yuen, Kelly Allott, Mario Alvarez-Jimenez, Susy Harrigan, Christos Pantelis, Stephen Wood, Patrick McGorry, Alex Fornito

Journal article  |  2021  |  BIOLOGICAL PSYCHIATRY

Response to 'Diagnostic uncertainty, antipsychotic dosing, and optimal psychosocial interventions: Unanswered questions in first-episode psychosis'

Brian O'Donoghue, Barnaby Nelson, Shona Francey, Patrick McGorry

Journal article  |  2021  |  SCHIZOPHRENIA RESEARCH