Suzie Lavoie

Prediction of clinical outcomes beyond psychosis in theultra-highrisk for psychosis population

Andrea Polari, Hok Pan Yuen, Paul Amminger, Gregor Berger, Eric Chen, Lieuwe deHaan, Jessica Hartmann, Connie Markulev, Patrick McGorry, Dorien Nieman, Merete Nordentoft, Anita Riecher-Roessler, Stefan Smesny, John Stratford, Swapna Verma, Alison Yung, Suzie Lavoie, Barnaby Nelson

Journal article  |  2020  |  Early Intervention in Psychiatry

AIM: Several prediction models have been introduced to identify young people at greatest risk of transitioning to psychosis. To da..

Do schizotypal or borderline personality disorders predict onset of psychotic disorder or persistent attenuated psychotic symptoms in patients at high clinical risk?

H Hadar, H Zhang, LJ Phillips, GP Amminger, GE Berger, EYH Chen, L de Haan, JA Hartmann, IB Hickie, S Lavoie, C Markulev, PD McGorry, N Mossaheb, DH Nieman, M Nordentoft, A Riecher-Rossler, MR Schafer, M Schloegelhofer, S Smesny, A Thompson, et al.

Journal article  |  2020  |  Schizophrenia Research

Basic symptoms in young people at ultra-high risk of psychosis: Association with clinical characteristics and outcomes

S Youn, LJ Phillips, GP Amminger, G Berger, EYH Chen, L de Haan, JA Hartmann, IB Hickie, S Lavoie, C Markulev, PD McGorry, N Mossaheb, DH Nieman, M Nordentoft, A Riecher-Rossler, MR Schafer, M Schloegelhofer, S Smesny, A Thompson, S Verma, et al.

Journal article  |  2020  |  Schizophrenia Research

There has been limited research into the predictive value of basic symptoms and their relationship with other psychopathology in p..

Trajectories of symptom severity and functioning over a three-year period in a psychosis high-risk sample: A secondary analysis of the Neurapro trial

Jessica A Hartmann, Stefanie J Schmidt, Patrick D McGorry, Maximus Berger, Gregor E Berger, Eric YH Chen, Lieuwe de Haan, Ian B Hickie, Suzie Lavoie, Connie Markulev, Nilufar Mossaheb, Dorien H Nieman, Merete Nordentoft, Andrea Polari, Anita Riecher-Rossler, Miriam R Schafer, Monika Schlogelhofer, Stefan Smesny, Andrew Thompson, Swapna K Verma, et al.

Journal article  |  2020  |  Behaviour Research and Therapy

The Ultra-High Risk (UHR) for psychosis group is known to be heterogeneous with diverse outcomes. This study aimed to: 1. Identify..

Harmonised collection of data in youth mental health: Towards large datasets

Suzie Lavoie, Kelly Allott, Paul Amminger, Cali Bartholomeusz, Maximus Berger, Michael Breakspear, Anjali K Henders, Rico Lee, Ashleigh Lin, Patrick McGorry, Simon Rice, Lianne Schmaal, Stephen J Wood

Journal article  |  2020  |  Australian & New Zealand Journal of Psychiatry

OBJECTIVE: The current international trend is to create large datasets with existing data and/or deposit newly collected data into..

The neurophenomenology of early psychosis: An integrative empirical study

B Nelson, S Lavoie, L Gaweda, E Li, LA Sass, D Koren, PD McGorry, BN Jack, J Parnas, A Polari, K Allott, JA Hartman, TJ Whitford

Journal article  |  2020  |  Consciousness and Cognition

BACKGROUND: The integration of various domains or levels of analysis (clinical, neurobiological, genetic, etc.) has been a challen..

Staging model in psychiatry: Review of the evolution of electroencephalography abnormalities in major psychiatric disorders

Suzie Lavoie, Andrea R Polari, Sherilyn Goldstone, Barnaby Nelson, Patrick D McGorry

Journal article  |  2019  |  Early Intervention in Psychiatry

AIM: Clinical staging in psychiatry aims to classify patients according to the severity of their symptoms, from stage 0 (increased..

The relation of basic self-disturbance to self-harm, eating disorder symptomatology and other clinical features: Exploration in an early psychosis sample

Andreas R Rasmussen, Daniel Reich, Suzie Lavoie, Emily Li, Jessica A Hartmann, Meredith McHugh, Thomas J Whitford, Barnaby Nelson

Journal article  |  2019  |  Early Intervention in Psychiatry

Frontal slow wave resting EEG power is higher in individuals at Ultra High Risk for psychosis than in healthy controls but is not associated with negative symptoms or functioning

Miranda Sollychin, Bradley N Jack, Andrea Polari, Ayaka Ando, G Paul Amminger, Connie Markulev, Patrick D McGorry, Barnaby Nelson, Thomas J Whitford, Hok Pan Yuen, Suzie Lavoie

Journal article  |  2019  |  Schizophrenia Research

The construct validity of the Inventory of Psychotic-Like Anomalous Self-Experiences (IPASE) as a measure of minimal self-disturbance: Preliminary data

Barnaby Nelson, Emily Li, David C Cicero, Lukasz Gaweda, Jessica A Hartnnann, Danny Koren, Andrea Polari, Thomas J Whitford, Suzie Lavoie

Journal article  |  2019  |  Early Intervention in Psychiatry

Testing a neurophenomenological model of basic self disturbance in early psychosis

Barnaby Nelson, Suzie Lavoie, Lukasz Gaweda, Emily Li, Louis A Sass, Dan Koren, Patrick D McGorry, Bradley N Jack, Josef Parnas, Andrea Polari, Kelly Allott, Jessica A Hartmann, Thomas J Whitford

Journal article  |  2019  |  World Psychiatry

The relationship between childhood trauma and clinical characteristics in ultra-high risk for psychosis youth

Chloe de Vos, Andrew Thompson, Paul Amminger, Sarah Bendall, Lieuwe de Haan, Jessica Hartmann, Suzie Lavoie, Connie Markulev, Patrick McGorry, Dorien Nieman, Lisa Phillips, Ulrich Reininghaus, Hok Pan Yuen, Alison Yung, Barnaby Nelson

Journal article  |  2019  |  Psychosis

Dynamic prediction of transition to psychosis using joint modelling

HP Yuen, A Mackinnon, J Hartmann, GP Amminger, C Markulev, S Lavoie, MR Schaefer, A Polari, N Mossaheb, M Schloegelhofer, S Smesny, IB Hickie, G Berger, EYH Chen, L de Haan, DH Nieman, M Nordentoft, A Riecher-Roessler, S Verma, A Thompson, et al.

Journal article  |  2018  |  Schizophrenia Research

Relationship between allostatic load and clinical outcomes in youth at ultra-high risk for psychosis in the NEURAPRO study.

Maximus Berger, Suzie Lavoie, Patrick D McGorry, Barnaby Nelson, Connie Markulev, Hok-Pan Yuen, Miriam Schaefer, Zoltán Sarnyai, G Paul Amminger

Journal article  |  2018  |  Schizophrenia Research

Individuals at ultra-high risk (UHR) for psychosis have an elevated risk of developing psychosis and other psychiatric outcomes. R..

Improving Mental Health in Young People through Harmonised Collection of Data

Suzie Lavoie, Kelly Allott, Paul Amminger, Maximus Berger, Michael Breakspear, Anjali Henders, Rico Lee, Ashleigh Lin, Patrick McGorry, Simon Rice, Lianne Schmaal, Stephen Wood

Conference Proceedings  |  2018  |  EARLY INTERVENTION IN PSYCHIATRY

The At-risk for Psychosis Terminology Redefined by Young People

Andrea Polari, Suzie Lavoie, Adam Finkelstein, Jessica Hartmann, Sung-Wan Kim, Magenta Simmons, John Stratford, Patrick McGorry, Barnaby Nelson

Conference Proceedings  |  2018  |  EARLY INTERVENTION IN PSYCHIATRY

Clinical Prediction Besides Transition to Psychosis in the Ultra-High Risk for Psychosis Population

Andrea Polari, Suzie Lavoie, Hok Pan Yuen, Paul Amminger, Gregor Berger, Eric Chen, Lieuwe deHaan, Jessica Hartmann, Connie Markulev, Dorien Nieman, Merete Nordentoft

Conference Proceedings  |  2018  |  EARLY INTERVENTION IN PSYCHIATRY

A Novel Approach to Developing a Prediction Model of Transition to Psychosis: Dynamic Prediction Using Joint Modelling

Hok Pan Yuen, Andrew Mackinnon, Patrick McGorry, G Paul Amminger, Jessica Hartmann, Miriam Schafer, Connie Markulev, Suzie Lavoie, Barnaby Nelson

Conference Proceedings  |  2018  |  EARLY INTERVENTION IN PSYCHIATRY

Disturbed glutathione antioxidative defense is associated with structural brain changes in neuroleptic-naive first-episode psychosis patients

K Langbein, J Hesse, A Gussew, B Milleit, S Lavoie, GP Amminger, C Gaser, G Wagner, JR Reichenbach, U-C Hipler, D Winter, S Smesny

Journal article  |  2018  |  Prostaglandins, Leukotrienes and Essential Fatty Acids

Clinical trajectories in the ultra-high risk for psychosis population

Andrea Polari, Suzie Lavoie, Hok-Pan Yuen, Paul Amminger, Gregor Berger, Eric Chen, Lieuwe deHaan, Jessica Hartmann, Connie Markulev, Fritha Melville, Dorien Nieman, Merete Nordentoft, Anita Riecher-Rossler, Stefan Smesny, John Stratford, Swapna Verma, Alison Yung, Patrick McGorry, Barnaby Nelson

Journal article  |  2018  |  Schizophrenia Research

NEURAPRO: a multi-centre RCT of omega-3 polyunsaturated fatty acids versus placebo in young people at ultra-high risk of psychotic disorders-medium-term follow-up and clinical course.

B Nelson, GP Amminger, HP Yuen, C Markulev, S Lavoie, MR Schäfer, JA Hartmann, N Mossaheb, M Schlögelhofer, S Smesny, IB Hickie, G Berger, EYH Chen, L de Haan, DH Nieman, M Nordentoft, A Riecher-Rössler, S Verma, A Thompson, AR Yung, et al.

Journal article  |  2018  |  NPJ Schizophr

This study reports a medium-term follow-up of a randomised, double-blind, placebo-controlled trial of omega-3 polyunsaturated fatt..

RELATIONSHIP BETWEEN ALLOSTATIC LOAD AND POOR FUNCTIONAL CAPACITY IN YOUTH AT ULTRA-HIGH RISK FOR PSYCHOSIS

Maximus Berger, Suzie Lavoie, Patrick D McGorry, Barnaby Nelson, Connie Markulev, Hok Pan Yuen, Miriam Schaefer, Zoltan Sarnyai, G Paul Amminger

Conference Proceedings  |  2018  |  SCHIZOPHRENIA BULLETIN

A NOVEL APPROACH FOR DEVELOPING PREDICTION MODEL OF TRANSITION TO PSYCHOSIS: DYNAMIC PREDICTION USING JOINT MODELLING

Hok Pan Yuen, Andrew Mackinnon, Jessica Hartmann, Paul Amminger, Connie Markulev, Suzie Lavoie, Miriam Schafer, Andrea Polari, Nilufar Mossaheb, Monika Schlogelhofer, Stefan Smesny, Ian Hickie, Gregor Berger, Eric Chen, Lieuwe de Hann, Dorien Nieman, Merete Nordentoft, Anita Riecher-Rossler, Swapna Verma, Andrew Thompson, et al.

Conference Proceedings  |  2018  |  SCHIZOPHRENIA BULLETIN

Impaired mismatch negativity to frequency deviants in individuals at ultra-high risk for psychosis, and preliminary evidence for further

Suzie Lavoie, Bradley N Jack, Oren Griffiths, Ayaka Ando, Paul Amminger, Anthony Couroupis, Aidan Jago, Connie Markulev, Patrick D McGorry, Barnaby Nelson, Andrea Polari, Hok Pan Yuen, Thomas J Whitford

Journal article  |  2018  |  Schizophrenia Research

Impaired action self-monitoring and cognitive confidence among ultra-high risk for psychosis and first-episode psychosis patients

L Gaweda, E Li, S Lavoie, TJ Whitford, S Moritz, B Nelson

Journal article  |  2018  |  European Psychiatry

Erythrocyte glutathione levels as long-term predictor of transition to psychosis

S Lavoie, M Berger, M Schloegelhofer, MR Schaefer, S Rice, S-W Kim, J Hesse, PD McGorry, S Smesny, GP Amminger

Journal article  |  2017  |  TRANSLATIONAL PSYCHIATRY

Opening the Black Box of Cognitive-Behavioural Case Management in Clients with Ultra-High Risk for Psychosis

Jessica A Hartmann, Patrick D McGorry, Stefanie J Schmidt, G Paul Amminger, Hok Pan Yuen, Connie Markulev, Gregor E Berger, Eric YH Chen, Lieuwe de Haan, Ian B Hickie, Suzie Lavoie, Meredith J McHugh, Nilufar Mossaheb, Dorien H Nieman, Merete Nordentoft, Anita Riecher-Roessler, Miriam R Schafer, Monika Schloegelhofer, Stefan Smesny, Andrew Thompson, et al.

Journal article  |  2017  |  Psychotherapy and Psychosomatics

The Frequency Mismatch Negativity in Individuals at Ultra-High Risk for Psychosis: Effect of Omega-3 Fatty Acids Treatment

Suzie Lavoie, Thomas Whitford, Paul Amminger, Ayaka Ando, Anthony Couroupis, Aidan Jago, Connie Markulev, Barnaby Nelson, Andrea Polari, Patrick McGorry

Conference Proceedings  |  2016  |  EARLY INTERVENTION IN PSYCHIATRY

Trauma, Stress Reactivity and Prediction of Outcome in the Ultra High Risk Population: Data from the Neurapro-E Study

Sarah Bendall, Barnaby Nelson, Andrew Thompson, Hok Pan Yuen, Lieuwe De Haan, Dorien Nieman, Suzie Lavoie, Paul Amminger, Connie Markulev, Lisa Phillips, Alison Yung, Patrick McGorry

Conference Proceedings  |  2016  |  EARLY INTERVENTION IN PSYCHIATRY

The Identification of Clinical Trajectories in the Ultra High Risk for Psychosis Population

Andrea Polari, Suzie Lavoie, Hok Pan Yuen, Paul Amminger, Gregor Berger, Dorien Nieman, Eric Chen, Lieuwe deHaan, Merete Nordentoft, Anita Riecher-Roessler, Patrick McGorry, Barnaby Nelson

Conference Proceedings  |  2016  |  EARLY INTERVENTION IN PSYCHIATRY

Prediction of transition from ultra-high risk to first-episode psychosis using a probabilistic model combining history, clinical assessment and fatty-acid biomarkers

SR Clark, BT Baune, KO Schubert, S Lavoie, S Smesny, SM Rice, MR Schaefer, F Benninger, M Feucht, CM Klier, PD McGorry, GP Amminger

Journal article  |  2016  |  TRANSLATIONAL PSYCHIATRY

Glutamate Cysteine Ligase-Modulatory Subunit Knockout Mouse Shows Normal Insulin Sensitivity but Reduced Liver Glycogen Storage

Suzie Lavoie, Pascal Steullet, Anita Kulak, Frederic Preitner, Kim Q Do, Pierre J Magistretti

Journal article  |  2016  |  FRONTIERS IN PHYSIOLOGY

Correlates of electroencephalographic resting states and erythrocyte membrane docosahexaenoic and eicosapentaenoic acid levels in individuals at ultra-high risk of psychosis

Suzie Lavoie, Thomas J Whitford, Franz Benninger, Martha Feucht, Sung-Wan Kim, Claudia M Klier, Robert K McNamara, Simon Rice, Miriam R Schaefer, G Paul Amminger

Journal article  |  2016  |  Australian & New Zealand Journal of Psychiatry

Declining transition rates to psychotic disorder in "ultra-high risk" clients: Investigation of a dilution effect

Jessica A Hartmann, Hok Pan Yuen, Patrick D McGorry, Alison R Yung, Ashleigh Lin, Stephen J Wood, Suzie Lavoie, Barnaby Nelson

Journal article  |  2016  |  Schizophrenia Research

Biomarkers and clinical staging in psychiatry

Patrick McGorry, Matcheri Keshavan, Sherilyn Goldstone, Paul Amminger, Kelly Allott, Michael Berk, Suzie Lavoie, Christos Pantelis, Alison Yung, Stephen Wood, Ian Hickie

Journal article  |  2014  |  WORLD PSYCHIATRY

Sulcogyral pattern and sulcal count of the orbitofrontal cortex in individuals at ultra high risk for psychosis

Suzie Lavoie, Cali F Bartholomeuz, Barnaby Nelson, Ashleigh Lin, Patrick D McGorry, Dennis Velakoulis, Sarah L Whittle, Alison R Yung, Christos Pantelis, Stephen J Wood

Journal article  |  2014  |  Schizophrenia Research

What are the neurocognitive correlates of basic self-disturbance in schizophrenia?: Integrating phenomenology and neurocognition Part 2 (Aberrant salience)

B Nelson, TJ Whitford, S Lavoie, LA Sass

Journal article  |  2014  |  Schizophrenia Research

What are the neurocognitive correlates of basic self-disturbance in schizophrenia?: Integrating phenomenology and neurocognition. Part 1 (Source monitoring deficits)

B Nelson, TJ Whitford, S Lavoie, LA Sass

Journal article  |  2014  |  Schizophrenia Research

Frontal delta power associated with negative symptoms in ultra-high risk individuals who transitioned to psychosis

Suzie Lavoie, Miriam R Schaefer, Thomas J Whitford, Franz Benninger, Martha Feucht, Claudia M Klier, Hok Pan Yuen, Christos Pantelis, Patrick D McGorry, G Paul Amminger

Journal article  |  2012  |  Schizophrenia Research

Duration of untreated psychosis: a proposition regarding treatment definition

Andrea Polari, Suzie Lavoie, Pascale Sarrasin, Veronica Pellanda, Sue Cotton, Philippe Conus

Journal article  |  2011  |  Early Intervention in Psychiatry

Altered Glycogen Metabolism in Cultured Astrocytes from Mice with Chronic Glutathione Deficit; Relevance for Neuroenergetics in Schizophrenia

Suzie Lavoie, Igor Allaman, Jean-Marie Petit, Kim Q Do, Pierre J Magistretti

Journal article  |  2011  |  PLoS One

DEVELOPMENTAL CRITICAL PERIOD IN GENETIC REDOX DYSREGULATION: ANIMAL AND HUMAN STUDIES IN SCHIZOPHRENIA

Kim Q Do, P Conus, P Bovet, JH Cabungcal, A Frank, R Gysin, S Lavoie, A Polari, P Steullet, T Teichmann, M Cuenod

Conference Proceedings  |  2009  |  SCHIZOPHRENIA BULLETIN

Curcumin, quercetin, and tBHQ modulate glutathione levels in astrocytes and neurons: importance of the glutamate cysteine ligase modifier subunit

Suzie Lavoie, Ying Chen, Timothy P Dalton, Rene Gysin, Michel Cuenod, Pascal Steullet, Kim Q Do

Journal article  |  2009  |  Journal of Neurochemistry

Redox Dysregulation and Oxidative Stress in Schizophrenia: Nutrigenetics as a Challenge in Psychiatric Disease Prevention

KQ Do, P Conus, JH Cabungcal, A Frank, R Gysin, S Lavoie, A Polari, P Steullet, T Teichmann, M Cuenod

Conference Proceedings  |  2009  |  JOURNAL OF NUTRIGENETICS AND NUTRIGENOMICS

Redox Dysregulation in Schizophrenia: Genetic Susceptibility and Pathophysiological Mechanisms

KQ Do, P Bovet, JH Cabungcal, P Conus, R Gysin, S Lavoie, P Steullet, M Cuenod

Book Chapter  |  2009

Glutathione precursor, N-acetyl-cysteine, improves mismatch negativity in schizophrenia patients

Suzie Lavoie, Micah M Murray, Patricia Deppen, Maria G Knyazeva, Michael Berk, Olivier Boulat, Pierre Bovet, Ashley I Bush, Philippe Conus, David Copolov, Eleonora Fornari, Reto Meuli, Alessandra Solida, Pascal Vianin, Michel Cuenod, Thierry Buclin, Kim Q Do

Journal article  |  2008  |  NEUROPSYCHOPHARMACOLOGY

A glutathione deficit alters dopamine modulation of L-type calcium channels via D2 and ryanodine receptors in neurons

Pascal Steullet, Suzie Lavoie, Rudolf Kraftsik, Raffaella Guidi, Rene Gysin, Michel Cuenod, Kim Q Do

Journal article  |  2008  |  Free Radical Biology and Medicine

Dysconnection Topography in Schizophrenia Revealed with State-Space Analysis of EEG

Mahdi Jalili, Suzie Lavoie, Patricia Deppen, Reto Meuli, Kim Q Do, Michel Cuenod, Martin Hasler, Oscar De Feo, Maria G Knyazeva

Journal article  |  2007  |  PLoS One

Redox dysregulation and oxidative stress in schizophrenia: Genetic and functional anomalies in glutathione synthesis

KQ Do, J Cabungcal, R Gysin, S Lavoie, P Steullet, M Tosic, M Cuenod

Conference Proceedings  |  2007  |  SCHIZOPHRENIA BULLETIN

A glutathione precursor, N-acetyl-cysteine, modulates mismatch negativity generation in schizophrenia patients

S Lavoie, MM Murray, M Knyazeva, P Bovet, T Buclin, P Conus, P Deppen, R Meuli, A Solida, M Cueod, KQ Do

Conference Proceedings  |  2007  |  SCHIZOPHRENIA BULLETIN

Imaging EEG synchronization in schizophrenia patients with S-estimator

MG Knyazeva, M Jalili, KQ Do, P Bovet, M Cuenod, P Deppen, R Meuli, P Maeder, S Lavoie, P Vianin, M Hasler, O De Feo

Conference Proceedings  |  2007  |  SCHIZOPHRENIA BULLETIN

Replenishment of glutathione levels in neurons and astrocytes with compromised GCL activity: Relevance to schizophrenia

S Lavoie, P Steullet, R Gysin, M Cuenod, Y Chen, TP Dalton, KQ Do

Conference Proceedings  |  2007  |  SCHIZOPHRENIA BULLETIN

Glutathione (GSH) deficit in schizophrenia: Dysfunction of NMDA receptors and alteration of dopamine modulation of NMDA responses

P Steullet, S Lavoie, R Guidi, KQ Do, M Cuenod

Conference Proceedings  |  2006  |  NEUROPSYCHOBIOLOGY

Heart rate activation during spontaneous arousals from sleep: effect of sleep deprivation.

Emilia Sforza, Florian Chapotot, Suzie Lavoie, Frederic Roche, Ross Pigeau, Alain Buguet

Journal article  |  2004  |  Clinical Neurophysiology

OBJECTIVE: Arousal (AR) from sleep is associated with an autonomic reflex activation raising blood pressure and heart rate (HR). R..

Influence of sleep stage and wakefulness on spectral EEG activity and heart rate variations around periodic leg movements.

Suzie Lavoie, Fabienne de Bilbao, José Haba-Rubio, Vicente Ibanez, Emilia Sforza

Journal article  |  2004  |  Clinical Neurophysiology

OBJECTIVE: Typical changes in spectral electroencephalographic (EEG) activity and heart rate (HR) have been described in periodic ..

Phase relationships between sleep-wake cycle and underlying circadian rhythms in Morningness-Eveningness.

Valérie Mongrain, Suzie Lavoie, Brahim Selmaoui, Jean Paquet, Marie Dumont

Journal article  |  2004  |  Journal of Biological Rhythms

A shorter phase angle between habitual wake time and underlying circadian rhythms has been reported in evening types (E types) com..

Vigilance levels during and after bright light exposure in the first half of the night.

Suzie Lavoie, Jean Paquet, Brahim Selmaoui, Marianne Rufiange, Marie Dumont

Journal article  |  2003  |  Chronobiology International

Fourteen healthy subjects (8 women, 6 men, aged 22-35 yr) were recruited. Each subject was exposed, in a counterbalanced order, to..