World's Best Scientists 2026 revealed!

D-Index & Metrics

Psychology

D-Index
44
Citations
6446
World Ranking
7043
National Ranking
313

Overview

Sjoerd Sytema is affiliated with the University Medical Center Groningen in the Netherlands and has contributed to the fields of Medicine, Arts and Humanities, and Psychology. Their work spans important subfields such as Psychiatry and Mental Health, Philosophy, and Clinical Psychology.

Sytema's research focuses notably on schizophrenia and broader mental health topics, with particular attention to schizophrenia research and treatment, mental health and psychiatry, and obsessive-compulsive spectrum disorders. This reflects an interdisciplinary approach combining clinical psychology and psychiatric research.

Among Sytema's recent publications is the paper titled "Reprint of: Negative symptoms predict high relapse rates and both predict less favorable functional outcome in first episode psychosis, independent of treatment strategy", published in 2020 in the journal Schizophrenia Research.

Frequent co-authors collaborating with Sytema include:

  • Lex Wunderink
  • Jan van Bebber
  • Nynke Boonstra
  • Rob R. Meijer
  • Johanna T. W. Wigman

Sytema's published work has appeared in:

  • Schizophrenia Research

Their research contributions intersect clinical and philosophical perspectives within mental health, supporting a broader understanding of psychiatric disorders and their outcomes.

Best Publications

  • Recovery in Remitted First-Episode Psychosis at 7 Years of Follow-up of an Early Dose Reduction/Discontinuation or Maintenance Treatment Strategy: Long-term Follow-up of a 2-Year Randomized Clinical Trial

    Lex Wunderink;Roeline M. Nieboer;Durk Wiersma;Sjoerd Sytema

  • Interrelationship between Autism Diagnostic Observation Schedule-Generic (ADOS-G), Autism Diagnostic Interview-Revised (ADI-R), and the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV-TR) Classification in Children and Adolescents with Mental Retardation.

    Annelies de Bildt;Sjoerd Sytema;Cees Ketelaars;Dirk Kraijer

  • Duration of untreated psychosis and negative symptoms--a systematic review and meta-analysis of individual patient data.

    Nynke Boonstra;Rianne Klaassen;Sjoerd Sytema;Max Marshall

  • Guided Discontinuation Versus Maintenance Treatment in Remitted First-Episode Psychosis: Relapse Rates and Functional Outcome

    Lex Wunderink;Fokko J. Nienhuis;Sjoerd Sytema;Cees J. Slooff

  • Effectiveness of behavioral parent training for children with ADHD in routine clinical practice: a randomized controlled study.

    Barbara J. van den Hoofdakker;Lianne van der Veen-Mulders;Sjoerd Sytema;Paul M.G. Emmelkamp

  • Clinical Recovery in First-Episode Psychosis

    Lex Wunderink;Sjoerd Sytema;Fokko J. Nienhuis;Durk Wiersma

  • The psychometric properties of the Vineland Adaptive Behavior Scales in children and adolescents with mental retardation.

    Annelies de Bildt;Dirk Kraijer;Sjoerd Sytema;Ruud Minderaa

  • Adaptive functioning and behaviour problems in relation to level of education in children and adolescents with intellectual disability.

    A de Bildt;Sjoerd Sytema;D Kraijer;S Sparrow

  • Prevalence of Pervasive Developmental Disorders in Children and Adolescents with Mental Retardation.

    Annelies de Bildt;Sjoerd Sytema;Dirk Kraijer;Ruud Minderaa

  • Assertive community treatment in the Netherlands: a randomized controlled trial.

    Sjoerd Sytema;L. Wunderink;W. Bloemers;L. Roorda

  • E–Mental Health Self-Management for Psychotic Disorders: State of the Art and Future Perspectives

    Lian van der Krieke;Lex Wunderink;Ando C. Emerencia;Peter de Jonge

  • Are sexual side effects of prolactin-raising antipsychotics reducible to serum prolactin?

    Henderikus Knegtering;Henderikus Knegtering;Rob van den Bosch;Stynke Castelein;Richard Bruggeman

  • Behavioral Parent Training as an Adjunct to Routine Care in Children with Attention-Deficit/Hyperactivity Disorder: Moderators of Treatment Response

    Barbara J. van den Hoofdakker;Maaike H. Nauta;Lianne van der Veen-Mulders;Sjoerd Sytema

  • Propensity to psychiatric and somatic ill-health: evidence from a birth cohort.

    J Neeleman;Sjoerd Sytema;M Wadsworth

  • Continuity of care for patients with schizophrenia and related disorders: a comparative South-Verona and Groningen case register study.

    S Sytema;R Micciolo;M Tansella

  • Brief report: Adults with mild autism spectrum disorders (ASD): Scores on the autism spectrum quotient (AQ) and comorbid psychopathology

    Cees Ketelaars;Ernst Horwitz;Sjoerd Sytema;Johan Bos

  • A web-based tool to support shared decision making for people with a psychotic disorder: randomized controlled trial and process evaluation.

    Lian van der Krieke;Ando C Emerencia;Nynke Boonstra;Lex Wunderink

  • Positive and useful auditory vocal hallucinations: prevalence, characteristics, attributions, and implications for treatment.

    J. A. Jenner;S. Rutten;J. Beuckens;N. Boonstra

  • Social skills in children with intellectual disabilities with and without autism

    A de Bildt;M Serra;E Luteijn;D Kraijer

  • Predictive Validity of Proposed Remission Criteria in First-Episode Schizophrenic Patients Responding to Antipsychotics

    Lex Wunderink;Fokko J. Nienhuis;Sjoerd Sytema;Durk Wiersma

  • Autism Diagnostic Interview-Revised (ADI-R) Algorithms for Toddlers and Young Preschoolers: Application in a Non-US Sample of 1,104 Children

    Annelies de Bildt;Sjoerd Sytema;Eric Zander;Eric Zander;Sven Bölte;Sven Bölte

Frequent Co-Authors

Ruud B. Minderaa
Ruud B. Minderaa University of Groningen
Peter de Jonge
Peter de Jonge University of Groningen
Maaike H. Nauta
Maaike H. Nauta University of Groningen
Paul M. G. Emmelkamp
Paul M. G. Emmelkamp University of Amsterdam
Herman van Engeland
Herman van Engeland Utrecht University
Henk Nijman
Henk Nijman Radboud University
Marieke Wichers
Marieke Wichers Maastricht University
Matteo Balestrieri
Matteo Balestrieri University of Udine
Jonathan Green
Jonathan Green University of Manchester
Fred R. Volkmar
Fred R. Volkmar Yale University

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Exploring a psychology degree in the USA opens up diverse career pathways, including counseling, therapy, research, and social work. Many students look for flexible online degree options and affordable ways to advance their education—especially when considering a career in fields like social work, which often requires further specialization.

Combining psychology with social work can offer rewarding opportunities to support individuals and communities. If you are searching for cost-effective programs, there are resources to help you compare options. For instance, you can find affordable social work programs in Pennsylvania, as well as the cheapest social work programs in Portland. Students based in Texas might consider the cheapest social work programs in San Antonio, and those in the Pacific Northwest can discover affordable social work programs in Seattle.

Evaluating related online degrees alongside local program affordability can help you make informed choices as you map out your education and future career in mental health and community services.

Best Scientists Citing Sjoerd Sytema

Trending Scientists

Recently Published Articles