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2. Erythrocyte membrane fatty acid concentrations and myelin integrity in young people at ultra-high risk of psychosis

Author

Collins, Melissa, Bartholomeusz, Cali, Mei, Cristina, Kerr, Melissa, Spark, Jessica, Wallis, Nicky, Polari, Andrea, Baird, Shelley, Buccilli, Kate, Dempsey, Sarah-Jane A., Ferguson, Natalie, Formica, Melanie, Krcmar, Marija, Quinn, Amelia L., Wannan, Cassandra, Oldham, Stuart, Fornito, Alex, Mebrahtu, Yohannes, Ruslins, Arlan, Street, Rebekah, Loschiavo, Keana, McGorry, Patrick D., Nelson, Barnaby, and Amminger, G. Paul

Published
2024
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4. Neuroanatomical heterogeneity and homogeneity in individuals at clinical high risk for psychosis

Author

Baldwin, Helen, Radua, Joaquim, Antoniades, Mathilde, Haas, Shalaila S, Frangou, Sophia, Agartz, Ingrid, Allen, Paul, Andreassen, Ole A, Atkinson, Kimberley, Bachman, Peter, Baeza, Inmaculada, Bartholomeusz, Cali F, Chee, Michael WL, Colibazzi, Tiziano, Cooper, Rebecca E, Corcoran, Cheryl M, Cropley, Vanessa L, Ebdrup, Bjørn H, Fortea, Adriana, Glenthøj, Louise Birkedal, Hamilton, Holly K, Haut, Kristen M, Hayes, Rebecca A, He, Ying, Heekeren, Karsten, Kaess, Michael, Kasai, Kiyoto, Katagiri, Naoyuki, Kim, Minah, Kindler, Jochen, Klaunig, Mallory J, Koike, Shinsuke, Koppel, Alex, Kristensen, Tina D, Bin Kwak, Yoo, Kwon, Jun Soo, Lawrie, Stephen M, Lebedeva, Irina, Lee, Jimmy, Lin, Ashleigh, Loewy, Rachel L, Mathalon, Daniel H, Michel, Chantal, Mizrahi, Romina, Møller, Paul, Nelson, Barnaby, Nemoto, Takahiro, Nordholm, Dorte, Omelchenko, Maria A, Pantelis, Christos, Raghava, Jayachandra M, Røssberg, Jan I, Rössler, Wulf, Salisbury, Dean F, Sasabayashi, Daiki, Schall, Ulrich, Smigielski, Lukasz, Sugranyes, Gisela, Suzuki, Michio, Takahashi, Tsutomu, Tamnes, Christian K, Tang, Jinsong, Theodoridou, Anastasia, Thomopoulos, Sophia I, Tomyshev, Alexander S, Uhlhaas, Peter J, Værnes, Tor G, van Amelsvoort, Therese AMJ, Van Erp, Theo GM, Waltz, James A, Westlye, Lars T, Wood, Stephen J, Zhou, Juan H, McGuire, Philip, Thompson, Paul M, Jalbrzikowski, Maria, Hernaus, Dennis, and Fusar-Poli, Paolo

Subjects
Serious Mental Illness, Prevention, Biomedical Imaging, Mental Health, Clinical Research, Neurosciences, Brain, Humans, Magnetic Resonance Imaging, Psychotic Disorders, ENIGMA Clinical High Risk for Psychosis Working Group, Clinical Sciences, Public Health and Health Services, Psychology
Abstract

Individuals at Clinical High Risk for Psychosis (CHR-P) demonstrate heterogeneity in clinical profiles and outcome features. However, the extent of neuroanatomical heterogeneity in the CHR-P state is largely undetermined. We aimed to quantify the neuroanatomical heterogeneity in structural magnetic resonance imaging measures of cortical surface area (SA), cortical thickness (CT), subcortical volume (SV), and intracranial volume (ICV) in CHR-P individuals compared with healthy controls (HC), and in relation to subsequent transition to a first episode of psychosis. The ENIGMA CHR-P consortium applied a harmonised analysis to neuroimaging data across 29 international sites, including 1579 CHR-P individuals and 1243 HC, offering the largest pooled CHR-P neuroimaging dataset to date. Regional heterogeneity was indexed with the Variability Ratio (VR) and Coefficient of Variation (CV) ratio applied at the group level. Personalised estimates of heterogeneity of SA, CT and SV brain profiles were indexed with the novel Person-Based Similarity Index (PBSI), with two complementary applications. First, to assess the extent of within-diagnosis similarity or divergence of neuroanatomical profiles between individuals. Second, using a normative modelling approach, to assess the 'normativeness' of neuroanatomical profiles in individuals at CHR-P. CHR-P individuals demonstrated no greater regional heterogeneity after applying FDR corrections. However, PBSI scores indicated significantly greater neuroanatomical divergence in global SA, CT and SV profiles in CHR-P individuals compared with HC. Normative PBSI analysis identified 11 CHR-P individuals (0.70%) with marked deviation (>1.5 SD) in SA, 118 (7.47%) in CT and 161 (10.20%) in SV. Psychosis transition was not significantly associated with any measure of heterogeneity. Overall, our examination of neuroanatomical heterogeneity within the CHR-P state indicated greater divergence in neuroanatomical profiles at an individual level, irrespective of psychosis conversion. Further large-scale investigations are required of those who demonstrate marked deviation.

Published
2022

6. Digital technology for addressing cognitive impairment in recent-onset psychosis: A perspective

Author

Bell, Imogen, Pot-Kolder, Roos M.C.A., Wood, Stephen J., Nelson, Barnaby, Acevedo, Nicola, Stainton, Alexandra, Nicol, Katie, Kean, James, Bryce, Shayden, Bartholomeusz, Cali F., Watson, Amity, Schwartz, Orli, Daglas-Georgiou, Rothanthi, Walton, Courtney C., Martin, Donel, Simmons, Magenta, Zbukvic, Isabel, Thompson, Andrew, Nicholas, Jennifer, Alvarez-Jimenez, Mario, and Allott, Kelly

Published
2022
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20. Contributors

Author

Achterhof, Robin, primary, Bartholomeusz, Cali F., additional, Bauer, Isabelle E., additional, Bechi, Margherita, additional, Caridad, Benavides, additional, Andrea, Bulbena-Cabre, additional, Katherine Elizabeth, Burdick, additional, Cohen, Alex S., additional, Cowan, Tovah, additional, Crouse, Jacob J., additional, Davidson, Charles A., additional, Jarrett, Fastman, additional, Fiszdon, Joanna M., additional, Sharely, Fred-Torres, additional, Ganella, Eleni P., additional, Harvey, Philip D., additional, Hermans, Karlijn, additional, Hermens, Daniel F., additional, Holt, Daphne J., additional, Kasanova, Zuzana, additional, Kéri, Szabolcs, additional, Keshavan, Matcheri S., additional, Kirtley, Olivia, additional, Emmett, Larsen, additional, Le, Thanh P., additional, Lauren, Lepow, additional, Lewandowski, Kathryn E., additional, Mahon, Katie, additional, Mesholam-Gately, Raquelle I., additional, Moustafa, Ahmed A., additional, Myin-Germeys, Inez, additional, Pelletier-Baldelli, Andrea, additional, Pengue, Anna, additional, Maria Mercedes, Perez-Rodriguez, additional, Polner, Bertalan, additional, Quintana, Daniel S., additional, Russo, Manuela, additional, Sarah Barbara, Rutter, additional, Schneider, Maude, additional, Silberstein, Juliete M., additional, Spangaro, Marco, additional, Ungar, Allison K., additional, Van Rheenen, Tamsyn E., additional, and Whitton, Alexis E., additional

Published
2019
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31. Gender effects on brain changes in early-onset psychosis

Author

Rapado-Castro, Marta, Bartholomeusz, Cali F., Castro-Fornieles, Josefina, González-Pinto, Ana, Otero, Soraya, Baeza, Inmaculada, Moreno, Carmen, Graell, Montserrat, Janssen, Joost, Bargalló, Nuria, Pantelis, Christos, Desco, Manuel, and Arango, Celso

Published
2015
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32. Neuroanatomical heterogeneity and homogeneity in individuals at clinical high risk for psychosis

Author

Baldwin, Helen; https://orcid.org/0000-0002-9507-9019, Radua, Joaquim; https://orcid.org/0000-0003-1240-5438, Antoniades, Mathilde, Haas, Shalaila S; https://orcid.org/0000-0003-1385-1050, Frangou, Sophia; https://orcid.org/0000-0002-3210-6470, Agartz, Ingrid, Allen, Paul, Andreassen, Ole A; https://orcid.org/0000-0002-4461-3568, Atkinson, Kimberley, Bachman, Peter, Baeza, Inmaculada, Bartholomeusz, Cali F, Chee, Michael W L; https://orcid.org/0000-0002-6087-0548, Colibazzi, Tiziano, Cooper, Rebecca E, Corcoran, Cheryl M; https://orcid.org/0000-0002-8902-4353, Cropley, Vanessa L; https://orcid.org/0000-0003-0029-1525, Ebdrup, Bjørn H; https://orcid.org/0000-0002-2590-5055, Fortea, Adriana, Glenthøj, Louise Birkedal; https://orcid.org/0000-0003-3621-8450, Hamilton, Holly K, Haut, Kristen M, Hayes, Rebecca A, He, Ying, Heekeren, Karsten; https://orcid.org/0000-0001-5105-1922, Kaess, Michael, Kasai, Kiyoto; https://orcid.org/0000-0002-4443-4535, Katagiri, Naoyuki, Kim, Minah; https://orcid.org/0000-0001-8668-0817, Kindler, Jochen, Smigielski, Lukasz; https://orcid.org/0000-0002-7428-7644, et al, ENIGMA Clinical High Risk for Psychosis Working Group, Rössler, Wulf; https://orcid.org/0000-0003-0049-4533, Theodoridou, Anastasia; https://orcid.org/0000-0003-4792-385X, Baldwin, Helen; https://orcid.org/0000-0002-9507-9019, Radua, Joaquim; https://orcid.org/0000-0003-1240-5438, Antoniades, Mathilde, Haas, Shalaila S; https://orcid.org/0000-0003-1385-1050, Frangou, Sophia; https://orcid.org/0000-0002-3210-6470, Agartz, Ingrid, Allen, Paul, Andreassen, Ole A; https://orcid.org/0000-0002-4461-3568, Atkinson, Kimberley, Bachman, Peter, Baeza, Inmaculada, Bartholomeusz, Cali F, Chee, Michael W L; https://orcid.org/0000-0002-6087-0548, Colibazzi, Tiziano, Cooper, Rebecca E, Corcoran, Cheryl M; https://orcid.org/0000-0002-8902-4353, Cropley, Vanessa L; https://orcid.org/0000-0003-0029-1525, Ebdrup, Bjørn H; https://orcid.org/0000-0002-2590-5055, Fortea, Adriana, Glenthøj, Louise Birkedal; https://orcid.org/0000-0003-3621-8450, Hamilton, Holly K, Haut, Kristen M, Hayes, Rebecca A, He, Ying, Heekeren, Karsten; https://orcid.org/0000-0001-5105-1922, Kaess, Michael, Kasai, Kiyoto; https://orcid.org/0000-0002-4443-4535, Katagiri, Naoyuki, Kim, Minah; https://orcid.org/0000-0001-8668-0817, Kindler, Jochen, Smigielski, Lukasz; https://orcid.org/0000-0002-7428-7644, et al, ENIGMA Clinical High Risk for Psychosis Working Group, Rössler, Wulf; https://orcid.org/0000-0003-0049-4533, and Theodoridou, Anastasia; https://orcid.org/0000-0003-4792-385X

Abstract

Individuals at Clinical High Risk for Psychosis (CHR-P) demonstrate heterogeneity in clinical profiles and outcome features. However, the extent of neuroanatomical heterogeneity in the CHR-P state is largely undetermined. We aimed to quantify the neuroanatomical heterogeneity in structural magnetic resonance imaging measures of cortical surface area (SA), cortical thickness (CT), subcortical volume (SV), and intracranial volume (ICV) in CHR-P individuals compared with healthy controls (HC), and in relation to subsequent transition to a first episode of psychosis. The ENIGMA CHR-P consortium applied a harmonised analysis to neuroimaging data across 29 international sites, including 1579 CHR-P individuals and 1243 HC, offering the largest pooled CHR-P neuroimaging dataset to date. Regional heterogeneity was indexed with the Variability Ratio (VR) and Coefficient of Variation (CV) ratio applied at the group level. Personalised estimates of heterogeneity of SA, CT and SV brain profiles were indexed with the novel Person-Based Similarity Index (PBSI), with two complementary applications. First, to assess the extent of within-diagnosis similarity or divergence of neuroanatomical profiles between individuals. Second, using a normative modelling approach, to assess the ‘normativeness’ of neuroanatomical profiles in individuals at CHR-P. CHR-P individuals demonstrated no greater regional heterogeneity after applying FDR corrections. However, PBSI scores indicated significantly greater neuroanatomical divergence in global SA, CT and SV profiles in CHR-P individuals compared with HC. Normative PBSI analysis identified 11 CHR-P individuals (0.70%) with marked deviation (>1.5 SD) in SA, 118 (7.47%) in CT and 161 (10.20%) in SV. Psychosis transition was not significantly associated with any measure of heterogeneity. Overall, our examination of neuroanatomical heterogeneity within the CHR-P state indicated greater divergence in neuroanatomical profiles at an individual level, irre

Published
2022

33. The 2nd Schizophrenia International Research Society Conference, 10–14 April 2010, Florence, Italy: Summaries of oral sessions

Author

Baharnoori, Moogeh, Bartholomeusz, Cali, Boucher, Aurelie A., Buchy, Lisa, Chaddock, Christopher, Chiliza, Bonga, Föcking, Melanie, Fornito, Alex, Gallego, Juan A., Hori, Hiroaki, Huf, Gisele, Jabbar, Gul A., Kang, Shi Hyun, El Kissi, Yousri, Merchán-Naranjo, Jessica, Modinos, Gemma, Abdel-Fadeel, Nashaat A.M., Neubeck, Anna-Karin, Ng, Hsiao Piau, Novak, Gabriela, Owolabi, Olasunmbo O., Prata, Diana P., Rao, Naren P., Riecansky, Igor, Smith, Darryl C., Souza, Renan P., Thienel, Renate, Trotman, Hanan D., Uchida, Hiroyuki, Woodberry, Kristen A., O'Shea, Anne, and DeLisi, Lynn E.

Published
2010
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35. Disruptions in white matter microstructure associated with impaired visual associative memory in schizophrenia-spectrum illness

Author

Wannan, Cassandra M. J., primary, Bartholomeusz, Cali F., additional, Pantelis, Christos, additional, Di Biase, Maria A., additional, Syeda, Warda T., additional, Chakravarty, M. Mallar, additional, Bousman, Chad A., additional, Everall, Ian P., additional, McGorry, Patrick D., additional, Zalesky, Andrew, additional, and Cropley, Vanessa L., additional

Published
2021
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40. Estrogen in severe mental illness: a potential new treatment approach

Author

Kulkarni, Jayashri, De Castella, Anthony, Fitzgerald Paul B., Gurvich, Caroline T., Bailey, Michael, Bartholomeusz, Cali, and Burger, Henry

Subjects
Estrogen -- Dosage and administration, Estrogen -- Research, Schizophrenia -- Demographic aspects, Schizophrenia -- Care and treatment, Schizophrenia -- Research, Health, Psychology and mental health
Published
2008

41. 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

Author

Jalbrzikowski, Maria, Hayes, Rebecca A., Wood, Stephen J., Nordholm, Dorte, Zhou, Juan H., Fusar-Poli, Paolo, Uhlhaas, Peter J., Takahashi, Tsutomu, Sugranyes, Gisela, Kwak, Yoo Bin, Mathalon, Daniel H., Katagiri, Naoyuki, Hooker, Christine I., Smigielski, Lukasz, Colibazzi, Tiziano, Via, Esther, Tang, Jinsong, Koike, Shinsuke, Rasser, Paul E., Michel, Chantal, Lebedeva, Irina, Hegelstad, Wenche Ten Velden, De La Fuente-Sandoval, Camilo, Waltz, James A., Mizrahi, Romina, Corcoran, Cheryl M., Resch, Franz, Tamnes, Christian K., Haas, Shalaila S., Lemmers-Jansen, Imke L.J., Agartz, Ingrid, Allen, Paul, Amminger, G. Paul, Andreassen, Ole A., Atkinson, Kimberley, Bachman, Peter, Baeza, Inmaculada, Baldwin, Helen, Bartholomeusz, Cali F., Borgwardt, Stefan, Catalano, Sabrina, Chee, Michael W.L., Chen, Xiaogang, Cho, Kang Ik K., Cooper, Rebecca E., Cropley, Vanessa L., Dolz, Montserrat, Ebdrup, Bjørn H., Glenthøj, Birte Y., Nordentoft, Merete, Jalbrzikowski, Maria, Hayes, Rebecca A., Wood, Stephen J., Nordholm, Dorte, Zhou, Juan H., Fusar-Poli, Paolo, Uhlhaas, Peter J., Takahashi, Tsutomu, Sugranyes, Gisela, Kwak, Yoo Bin, Mathalon, Daniel H., Katagiri, Naoyuki, Hooker, Christine I., Smigielski, Lukasz, Colibazzi, Tiziano, Via, Esther, Tang, Jinsong, Koike, Shinsuke, Rasser, Paul E., Michel, Chantal, Lebedeva, Irina, Hegelstad, Wenche Ten Velden, De La Fuente-Sandoval, Camilo, Waltz, James A., Mizrahi, Romina, Corcoran, Cheryl M., Resch, Franz, Tamnes, Christian K., Haas, Shalaila S., Lemmers-Jansen, Imke L.J., Agartz, Ingrid, Allen, Paul, Amminger, G. Paul, Andreassen, Ole A., Atkinson, Kimberley, Bachman, Peter, Baeza, Inmaculada, Baldwin, Helen, Bartholomeusz, Cali F., Borgwardt, Stefan, Catalano, Sabrina, Chee, Michael W.L., Chen, Xiaogang, Cho, Kang Ik K., Cooper, Rebecca E., Cropley, Vanessa L., Dolz, Montserrat, Ebdrup, Bjørn H., Glenthøj, Birte Y., and Nordentoft, Merete

Abstract

Importance: The ENIGMA clinical high risk (CHR) for psychosis initiative, the largest pooled neuroimaging sample of individuals at CHR to date, aims to discover robust neurobiological markers of psychosis risk. Objective: To investigate baseline structural neuroimaging differences between individuals at CHR and healthy controls as well as between participants at CHR who later developed a psychotic disorder (CHR-PS+) and those who did not (CHR-PS-). Design, Setting, and Participants: In this case-control study, baseline T1-weighted magnetic resonance imaging (MRI) data were pooled from 31 international sites participating in the ENIGMA Clinical High Risk for Psychosis Working Group. CHR status was assessed using the Comprehensive Assessment of At-Risk Mental States or Structured Interview for Prodromal Syndromes. MRI scans were processed using harmonized protocols and analyzed within a mega-analysis and meta-analysis framework from January to October 2020. Main Outcomes and Measures: Measures of regional cortical thickness (CT), surface area, and subcortical volumes were extracted from T1-weighted MRI scans. Independent variables were group (CHR group vs control group) and conversion status (CHR-PS+ group vs CHR-PS- group vs control group). Results: Of the 3169 included participants, 1428 (45.1%) were female, and the mean (SD; range) age was 21.1 (4.9; 9.5-39.9) years. This study included 1792 individuals at CHR and 1377 healthy controls. Using longitudinal clinical information, 253 in the CHR-PS+ group, 1234 in the CHR-PS- group, and 305 at CHR without follow-up data were identified. Compared with healthy controls, individuals at CHR exhibited widespread lower CT measures (mean [range] Cohen d = -0.13 [-0.17 to -0.09]), but not surface area or subcortical volume. Lower CT measures in the fusiform, superior temporal, and paracentral regions were associated with psychosis conversion (mean Cohen d = -0.22; 95% CI, -0.35 to 0.10). Among healthy controls, compared wit

Published
2021

46. Ginkgo and Memory

Author

Nathan, Pradeep J., Harrison, Ben J., and Bartholomeusz, Cali

Published
2003

47. SuppMaterial – Supplemental material for Harmonised collection of data in youth mental health: Towards large datasets

Author

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

Subjects
FOS: Psychology, FOS: Clinical medicine, 170199 Psychology not elsewhere classified, 110319 Psychiatry (incl. Psychotherapy), Neuroscience
Abstract

Supplemental material, SuppMaterial for Harmonised collection of data in youth mental health: Towards large datasets by 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 and Stephen J Wood in Australian & New Zealand Journal of Psychiatry

Published
2019
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48. eNACT: A protocol for a randomised placebo-controlled trial investigating the efficacy and mechanisms of action of adjunctive N-acetylcysteine for first episode psychosis

Author

Cotton, Sue, primary, Berk, Michael, additional, Watson, Amity, additional, Wood, Stephen, additional, Allott, Kelly, additional, Bartholomeusz, Cali, additional, Bortolasci, Chiara, additional, Walder, Ken, additional, O'Donoghue, Brian, additional, Dean, Olivia, additional, Chanen, Andrew, additional, Amminger, Paul, additional, McGorry, Patrick, additional, Ratheesh, Aswin, additional, and Dodd, Seetal, additional

Published
2019
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49. Evidence for Network-Based Cortical Thickness Reductions in Schizophrenia

Author

Wannan, Cassandra M.J., primary, Cropley, Vanessa L., additional, Chakravarty, M. Mallar, additional, Bousman, Chad, additional, Ganella, Eleni P., additional, Bruggemann, Jason M., additional, Weickert, Thomas W., additional, Weickert, Cynthia Shannon, additional, Everall, Ian, additional, McGorry, Patrick, additional, Velakoulis, Dennis, additional, Wood, Stephen J., additional, Bartholomeusz, Cali F., additional, Pantelis, Christos, additional, and Zalesky, Andrew, additional

Published
2019
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50. Harmonised collection of data in youth mental health: Towards large datasets

Author

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

Published
2019
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