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Egill A. Fridgeirsson · SciRah

Researcher profile · Semantic Scholar

Egill A. Fridgeirsson

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Egill A. Fridgeirsson — researcher profile on SciRah

h-index: 16
Works: 40
Citations: 1,079

Most-cited papers

Cortical abnormalities associated with pediatric and adult obsessive-compulsive disorder
P. Boedhoe, L. Schmaal, Y. Abe, P. Alonso +68 more
2017American Journal of Psychiatry247 citations Open access
Semantic Scholar
An Empirical Comparison of Meta- and Mega-Analysis With Data From the ENIGMA Obsessive-Compulsive Disorder Working Group
P. Boedhoe, M. Heymans, L. Schmaal, Y. Abe +71 more
2019Front. Neuroinform.106 citations Open access
Semantic Scholar
Impact of random oversampling and random undersampling on the performance of prediction models developed using observational health data
C. Yang, Egill A. Fridgeirsson, J. Kors, J. Reps +1 more
2024Journal of Big Data103 citations Open access
Semantic Scholar
Mapping Cortical and Subcortical Asymmetry in Obsessive-Compulsive Disorder: Findings from the ENIGMA Consortium
Xiang-Zhen Kong, P. Boedhoe, Y. Abe, P. Alonso +135 more
2019Biological Psychiatry101 citations Open access
Semantic Scholar
Structural neuroimaging biomarkers for obsessive-compulsive disorder in the ENIGMA-OCD consortium: medication matters
W. Bruin, Luke Taylor, R. Thomas, J. Shock +87 more
2019Translational Psychiatry81 citations Open access
Semantic Scholar
Transformer-Based Deep Survival Analysis
Shi Hu, Egill A. Fridgeirsson, G. V. van Wingen, Max Welling
2021SPACA71 citations
Semantic Scholar
Deep brain stimulation modulates directional limbic connectivity in obsessive-compulsive disorder
Egill A. Fridgeirsson, M. Figee, J. Luigjes, P. van den Munckhof +3 more
2020Brain : a journal of neurology43 citations Open access
Semantic Scholar
Health-Analytics Data to Evidence Suite (HADES): Open-Source Software for Observational Research
M. Schuemie, J. Reps, Adam Black, F. Defalco +12 more
2024Medinfo41 citations Open access
Semantic Scholar
Electric field strength induced by electroconvulsive therapy is associated with clinical outcome
Egill A. Fridgeirsson, Zhi-De Deng, D. Denys, J. V. van Waarde +1 more
2021NeuroImage: Clinical41 citations Open access
Semantic Scholar
Changes in scalp potentials and spatial smoothing effects of inclusion of dura layer in human head models for EEG simulations
C. Ramon, Paolo Garguilo, Egill A. Fridgeirsson, J. Haueisen
2014Frontiers in Neuroengineering37 citations Open access
Semantic Scholar
Implementation and Updating of Clinical Prediction Models: A Systematic Review
Alexander Saelmans, T. Seinen, V. Pera, A. Markus +6 more
2025Mayo Clinic proceedings. Digital health32 citations Open access
Semantic Scholar
Predicting mortality of individual patients with COVID-19: a multicentre Dutch cohort
Maarten C. Ottenhoff, L. A. Ramos, Wouter Potters, M. Janssen +32 more
2021BMJ Open26 citations Open access
Semantic Scholar
Subcortical brain volume, regional cortical thickness and cortical surface area across attention-deficit/hyperactivity disorder (ADHD), autism spectrum disorder (ASD), and obsessive-compulsive disorder (OCD)
P. Boedhoe, D. van Rooij, M. Hoogman, J. Twisk +217 more
2019bioRxiv21 citations Open access
Semantic Scholar
Comparing penalization methods for linear models on large observational health data
Egill A. Fridgeirsson, Ross D. Williams, P. Rijnbeek, M. Suchard +1 more
2024J. Am. Medical Informatics Assoc.18 citations Open access
Semantic Scholar
Privacy-Preserving Federated Model Predicting Bipolar Transition in Patients With Depression: Prediction Model Development Study
Dong-Yun Lee, B. Choi, Chungsoo Kim, Egill A. Fridgeirsson +9 more
2023Journal of Medical Internet Research17 citations Open access
Semantic Scholar
External validation of existing dementia prediction models on observational health data
L. John, J. Kors, Egill A. Fridgeirsson, J. Reps +1 more
2022BMC Medical Research Methodology17 citations Open access
Semantic Scholar
Common and differential connectivity profiles of deep brain stimulation and capsulotomy in refractory obsessive-compulsive disorder
Xiaoyu Chen, Zhen Wang, Qian Lv, Qiming Lv +5 more
2021Molecular Psychiatry16 citations Open access
Semantic Scholar
Electric Field Modeling for Transcranial Magnetic Stimulation and Electroconvulsive Therapy
Zhi-De Deng, C. Liston, F. Gunning, M. Dubin +4 more
2019Brain and Human Body Modeling15 citations Open access
Semantic Scholar
Attention-based neural networks for clinical prediction modelling on electronic health records
Egill A. Fridgeirsson, David Sontag, P. Rijnbeek
2023BMC Medical Research Methodology11 citations Open access
Semantic Scholar
Patient specific intracranial neural signatures of obsessions and compulsions in the ventral striatum
Egill A. Fridgeirsson, M. Bais, N. Eijsker, R. Thomas +10 more
2023Journal of Neural Engineering10 citations Open access
Semantic Scholar
The added value of text from Dutch general practitioner notes in predictive modeling
T. Seinen, J. Kors, E. V. van Mulligen, Egill A. Fridgeirsson +1 more
2023J. Am. Medical Informatics Assoc.10 citations Open access
Semantic Scholar
Development and validation of a patient-level model to predict dementia across a network of observational databases
L. John, Egill A. Fridgeirsson, J. Kors, J. Reps +3 more
2024BMC Medicine5 citations Open access
Semantic Scholar
Predicting mortality of individual COVID-19 patients: A multicenter Dutch cohort
Maarten C. Ottenhoff, L. Ramos, Wouter Potters, M. Janssen +32 more
2020medRxiv5 citations Open access
Semantic Scholar
Finding a constrained number of predictor phenotypes for multiple outcome prediction
J. Reps, J. Wong, Egill A. Fridgeirsson, Chungsoo Kim +4 more
2025BMJ Health & Care Informatics4 citations Open access
Semantic Scholar
Does Using a Stacking Ensemble Method to Combine Multiple Base Learners Within a Database Improve Model Transportability?
C. Yang, Egill A. Fridgeirsson, J. Kors, J. Reps +3 more
2023Medical Informatics Europe2 citations Open access
Semantic Scholar
Comparison of deep learning and conventional methods for disease onset prediction
Luis H. John, Chungsoo Kim, J. Kors, Junhyuk Chang +6 more
2024arXiv.org1 citations
Semantic Scholar
Deep brain stimulation modulates directional limbic connectivity in major depressive disorder
Egill A. Fridgeirsson, I. Bergfeld, B. D. de Kwaasteniet, J. Luigjes +7 more
2023Psychological Medicine1 citations Open access
Semantic Scholar
Assessment of Pre-trained Observational Large Longitudinal models in OHDSI (APOLLO)
M. Schuemie, Yong Chen, Egill A. Fridgeirsson, Chungsoo Kim +6 more
1 citations
Semantic Scholar
An initial investigation into more complex stacking methods to improve transportability of prediction models developed across multiple databases
C. Yang, Egill A. Fridgeirsson, J. Kors, J. Reps +3 more
1 citations
Semantic Scholar
Estimating the Sample Size Required to Minimize Model Uncertainty Across Different Risk Profiles
F. Vereijken, J. Reps, Egill A. Fridgeirsson, Tobias Hackmann +3 more
2026Conference on Fairness, Accountability and Transparency0 citations Open access
Semantic Scholar
Clinical semantics for lung cancer prediction
Luis H. John, J. Kors, J. Reps, P. Rijnbeek +1 more
2025arXiv.org0 citations
Semantic Scholar
Using clinical text to refine unspecific condition codes in Dutch general practitioner EHR data
T. Seinen, J. Kors, E. V. van Mulligen, Egill A. Fridgeirsson +2 more
2024Int. J. Medical Informatics0 citations Open access
Semantic Scholar
Using clinical text to refine unspecific condition codes in Dutch general practitioner EHR data
T. Seinen, J. Kors, E. V. van Mulligen, Egill A. Fridgeirsson +2 more
2024medRxiv0 citations Open access
Semantic Scholar
Challenges of Estimating Global Feature Importance in Real-World Health Care Data
A. Markus, Egill A. Fridgeirsson, J. Kors, K. Verhamme +1 more
2023Medical Informatics Europe0 citations Open access
Semantic Scholar
Attention based deep neural networks in patient level prediction
Egill A. Fridgeirsson, D. Sontag, P. Rijnbeek
20210 citations
Semantic Scholar
Structural neuroimaging biomarkers for obsessive-compulsive disorder in the ENIGMA-OCD medication matters.
S. Brem, B. Brennan, W. Bruin, J. Buitelaar +114 more
20200 citations
Semantic Scholar
Deep brain stimulation modulates directional frontolimbic connectivity in obsessive‐compulsive disorder
Egill A. Fridgeirsson, M. Figee, J. Luigjes, P. van den Munckhof +3 more
2019bioRxiv0 citations Open access
Semantic Scholar
S154. Deep Brain Stimulation in Depression Alters Amygdala Connectivity During Rest
Egill A. Fridgeirsson, B. D. de Kwaasteniet, I. Bergfeld, J. Luigjes +3 more
20180 citations
Semantic Scholar
Feasibility of Fully Data-Driven Federated Learning on Large Observational Health Data
Egill A. Fridgeirsson, J. Reps
0 citations
Semantic Scholar
Explaining patient-level prediction models using permutation feature importance and SHAP
A. Markus, Egill A. Fridgeirsson, J. Kors, Katia M. C. Verhamme +1 more
0 citations
Semantic Scholar

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