Leonidas Mantonakis
National and Kapodistrian University of Athens
11 Papers
18 Citations
Leonidas Mantonakis is an academic researcher from National and Kapodistrian University of Athens. The author has contributed to research in topics: Schizophrenia & Positive and Negative Syndrome Scale. The author has an hindex of 5, co-authored 11 publications.
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Papers
Staging of Schizophrenia With the Use of PANSS: An International Multi-Center Study.
Konstantinos N. Fountoulakis,Elena Dragioti,Antonis T. Theofilidis,Tobias Wikilund,Xenofon Atmatzidis,Ioannis Nimatoudis,Erik Thys,Martien Wampers,Luchezar Hranov,Trayana Hristova,Daniil Aptalidis,Roumen Milev,Felicia Iftene,Filip Spaniel,Pavel Knytl,Petra Furstova,Tiina From,Henry K. Karlsson,Maija Walta,Raimo K. R. Salokangas,Jean-Michel Azorin,Justine Bouniard,Julie Montant,Georg Juckel,Ida S. Haussleiter,Athanasios Douzenis,Ioannis Michopoulos,Panagiotis Ferentinos,Nikolaos Smyrnis,Leonidas Mantonakis,Zsófia Nemes,Xenia Gonda,Dora Vajda,Anita Juhasz,Amresh Shrivastava,John L. Waddington,Maurizio Pompili,Anna Comparelli,Valentina Corigliano,Elmars Rancans,Alvydas Navickas,Jan Hilbig,Laurynas Bukelskis,Lidija Injac Stevovic,Sanja Vodopic,Oluyomi Esan,Oluremi Oladele,Christopher Osunbote,Janusz Κ Rybakowski,Paweł Wójciak,Klaudia Domowicz,Maria Luísa Figueira,Ludgero Linhares,Joana Crawford,Anca-Livia Panfil,Daria Smirnova,Olga Izmailova,Dusica Lecic-Tosevski,Henk Temmingh,Fleur M. Howells,Julio Bobes,María Paz García-Portilla,Leticia García-Álvarez,Gamze Erzin,Hasan Karadağ,Avinash De Sousa,Anuja Bendre,Cyril Höschl,C. Bredicean,Ion Papava,Olivera Vuković,Bojana Pejuskovic,Vincent Russell,Loukas Athanasiadis,Anastasia Konsta,Dan J. Stein,Michael Berk,Michael Berk,Olivia M Dean,Rajiv Tandon,Siegfried Kasper,Marc De Hert +81 more
TL;DR: This study elaborates a 5-factor solution and a clinical staging method for patients with schizophrenia and is the largest study to address these issues among patients who are more likely to remain affiliated with mental health services for prolonged periods of time.
Insomnia and PTSD one month after wildfires: evidence for an independent role of the “fear of imminent death”
Constantin Psarros,Christos Theleritis,Marina Economou,Chara Tzavara,Kanellos T. Kioulos,Leonidas Mantonakis,Constantin R. Soldatos,Joanna-Despoina Bergiannaki +7 more
TL;DR: The findings of the present study indicate that the diagnosis of insomnia, as well as, certain specific insomnia complaints were more frequent in female victims of wildfires who have experienced ‘fear of imminent death’ and have developed PTSD.
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Familial and socioeconomic contributions to premorbid functioning in psychosis: Impact on age at onset and treatment response
Alex Hatzimanolis,Pentagiotissa Stefanatou,Emmanouil Kattoulas,Irene Ralli,Stefanos Dimitrakopoulos,Stefania Foteli,Ioannis Kosteletos,Leonidas Mantonakis,Mirjana Selakovic,Rigas-Filippos Soldatos,Ilias I Vlachos,Lida-Alkisti Xenaki,Nikolaos Smyrnis,Nicholas C. Stefanis +13 more
TL;DR: Familial risk for psychosis may interact with parental socioeconomic position influencing social PA in childhood, which supports the link between social PA deviations, early psychosis onset, and treatment resistance, and highlights premorbid social functioning as a promising clinical indicator.
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Modeling psychological function in patients with schizophrenia with the PANSS: an international multi-center study.
Konstantinos N. Fountoulakis,Elena Dragioti,Antonis T. Theofilidis,Tobias Wiklund,Xenofon Atmatzidis,Ioannis Nimatoudis,Erik Thys,Martien Wampers,Luchezar Hranov,Trayana Hristova,Daniil Aptalidis,Roumen Milev,Felicia Iftene,Filip Spaniel,Pavel Knytl,Petra Furstova,Tiina From,Henry K. Karlsson,Maija Walta,Raimo K. R. Salokangas,Jean-Michel Azorin,Justine Bouniard,Julie Montant,Georg Juckel,Ida S. Haussleiter,Athanasios Douzenis,Ioannis Michopoulos,Panagiotis Ferentinos,Nikolaos Smyrnis,Leonidas Mantonakis,Zsófia Nemes,Xenia Gonda,Dora Vajda,Anita Juhasz,Amresh Shrivastava,John L. Waddington,Maurizio Pompili,Anna Comparelli,Valentina Corigliano,Elmars Rancans,Alvydas Navickas,Jan Hilbig,Laurynas Bukelskis,Lidija Injac Stevovic,Sanja Vodopic,Oluyomi Esan,Oluremi Oladele,Christopher Osunbote,Janusz K. Rybakowski,Paweł Wójciak,Klaudia Domowicz,Maria Luísa Figueira,Ludgero Linhares,Joana Crawford,Anca-Livia Panfil,Daria Smirnova,Olga Izmailova,Dusica Lecic-Tosevski,Henk Temmingh,Fleur M. Howells,Julio Bobes,María Paz García-Portilla,Leticia García-Álvarez,Gamze Erzin,Hasan Karadağ,Avinash De Sousa,Anuja Bendre,Cyril Höschl,C. Bredicean,Ion Papava,Olivera Vuković,Bojana Pejuskovic,Vincent Russell,Loukas Athanasiadis,Anastasia Konsta,Dan J. Stein,Michael Berk,Olivia M Dean,Rajiv Tandon,Siegfried Kasper,Marc De Hert +80 more
TL;DR: The mental organization and functioning in patients with schizophrenia in relation to different stages of illness progression is investigated, revealing two distinct “cores” of schizophrenia, the “Positive” and the ”Negative,” while neurocognitive decline escalates during the later stages.
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Association between exposome score for schizophrenia and functioning in first-episode psychosis: results from the Athens first-episode psychosis research study
Gamze Erzin,Gamze Erzin,Lotta-Katrin Pries,Stefanos Dimitrakopoulos,Irene Ralli,Lida-Alkisti Xenaki,Rigas Soldatos,Ilias I Vlachos,Mirjana Selakovic,Stefania Foteli,Ioannis Kosteletos,Nikos Nianiakas,Leonidas Mantonakis,Emmanouil Rizos,Konstantinos Kollias,Jim van Os,Jim van Os,Jim van Os,Sinan Guloksuz,Sinan Guloksuz,Nikos C. Stefanis +20 more
TL;DR: This article investigated temporal and cross-sectional associations of a weighted score of cumulative environmental liability for schizophrenia -the exposome score for schizophrenia (ES-SCZ) with functioning in first-episode psychosis (FEP).
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