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Iris E. Sommer

University of Groningen - Department of Biomedical Sciences of Cells & Systems

Groningen

Netherlands

  • University of Groningen - Department of Biomedical Sciences of Cells & Systems

SCHOLARLY PAPERS

5

DOWNLOADS

912

TOTAL CITATIONS

0

Scholarly Papers (5)

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1.

What Do Four Decades of Research Tell Us About the Association between Childhood Adversity and Psychosis: An Updated and Extended Multi-Level Meta-Analysis

Number of pages: 40 Posted: 03 May 2024
Lan Zhou, Iris E. Sommer, Pengyuan Yang, Lev Sikirin, Jim van Os, Richard P. Bentall, Filippo Varese and Marieke J.H. Begemann
University of Groningen - University Medical Center Groningen, University of Groningen - Department of Biomedical Sciences of Cells & Systems, Ghent University, University of Groningen - University Medical Center Groningen, Maastricht University - Department of Psychiatry and Psychology, School of Mental Health and Neuroscience, University of Sheffield, The University of Manchester - Manchester University NHS Foundation Trust and University of Groningen - Department of Biomedical Sciences of Cells & Systems
Downloads 467 (154,228)

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childhood adversity, childhood trauma, schizophrenia, psychosis, psychotic symptoms, sex differences, age of psychosis onset, meta-analysis

2.

Comparing Early Tapering of Antipsychotic Medication to 12 Months Maintenance Treatment after Remission of a First Psychotic Episode

Number of pages: 25 Posted: 24 Dec 2024
Iris E. Sommer, Franciska de Beer, Shiral Gangadin, Lieuwe de Haan, W. Veling, Nico van Beveren, Nynke Boonstra, Bram-Sieben Rosema, Jim van Os, Martijn Kikkert, Sanne Koops, Frederick Thielen, Ben Wijnen and Marieke J.H. Begemann
University of Groningen - Department of Biomedical Sciences of Cells & Systems, University Medical Centre Groningen, University of Groningen - Department of Biomedical Sciences of Cells & Systems, University of Amsterdam, University of Groningen - University Medical Center Groningen, Parnassia Groep, Utrecht University - UMC Utrecht Brain Center, University Medical Centre Groningen, Maastricht University - Department of Psychiatry and Psychology, School of Mental Health and Neuroscience, Arkin Onderzoek, University of Groningen - University Medical Center Groningen, Trimbos Institute, Trimbos Institute and University of Groningen - Department of Biomedical Sciences of Cells & Systems
Downloads 204 (384,172)

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First episode psychosis, antipsychotic medication, early tapering, maintenance treatment

3.

Cholinesterase Inhibitors for Psychotic Symptoms in Alzheimer's Disease, Parkinson's Disease and Dementia with Lewy Bodies: An Individual Participant Data Meta-Analysis

Number of pages: 22 Posted: 25 Jan 2023
Emile d'Angremont, Marieke J.H. Begemann, Teus van Laar and Iris E. Sommer
University of Groningen - Department of Biomedical Sciences of Cells & Systems, University of Groningen - Department of Biomedical Sciences of Cells & Systems, University of Groningen - Department of Neurology and University of Groningen - Department of Biomedical Sciences of Cells & Systems
Downloads 130 (565,439)

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Alzheimer's disease, Parkinson's Disease, Dementia with Lewy bodies, Psychosis, Hallucinations, Delusions, Neuropsychiatry, Cholinesterase inhibitors, Rivastigmine, Donepezil, Galantamine

4.

Intrinsic Connectivity Patterns of Striatal Subfields Predict Individual Dimensions of Psychopathology and Are Associated with Cholinergic and Serotonergic Neurotransmission in Schizophrenia

Number of pages: 36 Posted: 24 Sep 2025
Zhiqiu He, Wenli He, Zhiyi Chen, Wei Wei, Xiaojin Liu, Juergen Dukart, Weidong Li, Justin T. Baker, Avram J. Holmes, Felix Hoffstaedter, Thomas Nickl-Jockschat, Birgit Derntl, Lydia Kogler, Renaud Jardri, Oliver Gruber, André Aleman, Iris E. Sommer, Kaustubh R. Patil, Yun-Rong Lu, Simon B. Eickhoff and Ji Chen
Zhejiang University, Zhejiang University, Government of the People's Republic of China - Army Medical University, Zhejiang University, Beijing Normal University - Zhuhai Campus, Research Centre Jülich - Institute of Neuroscience and Medicine, Brain & Behaviour (INM-7), Shanghai Jiao Tong University (SJTU) - Institute of Psychology and Behavioral Sciences, Harvard University - McLean Institute for Technology in Psychiatry, Yale University, Research Centre Jülich - Institute of Neuroscience and Medicine, Brain & Behaviour (INM-7), Otto von Guericke University Magdeburg, University of Tübingen - Department of Psychiatry and Psychotherapy, University of Tübingen - Department of Psychiatry and Psychotherapy, University of Lille, Heidelberg University, University of Groningen - Department of Biomedical Sciences of Cells & Systems, University of Groningen - Department of Biomedical Sciences of Cells & Systems, Research Centre Jülich, Zhejiang University - Department of Psychiatry, Research Centre Jülich and Zhejiang University
Downloads 87 (777,583)

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Schizophrenia, Striatum, Functional Connectivity, Predictive Modeling, Symptom Dimension, Neurotransmitter

5.

Sex Differences in Age-Related Changes in Striatal Dopamine Synthesis: Insights from 370 [¹⁸F]FDOPA PET Scans ​

Number of pages: 11 Posted: 28 May 2026
Anne Jetske Boer, Jasper Olivier Nuninga, Ellen Hendrikse, Monique van der Weijden-Germann, Chris W.J. van der Weijden, Claudia Barth, Erik F. J. de Vries and Iris E. Sommer
University of Groningen - University Medical Center Groningen, University of Groningen - University Medical Center Groningen, University of Groningen - University Medical Center Groningen, University of Groningen - University Medical Center Groningen, University of Groningen - University Medical Center Groningen, University of Oslo, University of Groningen - University Medical Center Groningen and University of Groningen - Department of Biomedical Sciences of Cells & Systems
Downloads 24 (1,500,778)

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Menopause, PET, Dopamine, 18FFDOPA, Striatum, Sex Differences, Aging