Publications by authors named "Helen B Simpson"

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A network analysis of how obsessive-compulsive symptoms change during exposure and response prevention treatment.
Hyunsik Kim, Jeremy Tyler, Michael Wheaton, Saeri Park, Choong-Wan Woo, Helen Blair Simpson

Psychol Med· October 2025

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Rare coding mutations identify 36 large-effect risk genes in obsessive-compulsive disorder and chronic tic disorders.
Belinda Wang, Matthew N Tran, Sheng Wang, Yuting Liu, Emily Olfson, Helen Blair Simpson, Heather Simpson Martin

medRxiv· October 2025

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Acute Trauma and Obsessive Compulsive Disorder: Evidence from October 7th, 2023.
Eyal Kalanthroff, Shir Berebbi, Mor David, Helen Blair Simpson

Psychother Psychosom· August 2025

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Resting-state functional connectivity alterations in obsessive-compulsive disorder: relationships between connectivity and clinical profiles in the Global OCD study.
Anders Lillevik Thorsen, Niels T de Joode, Petra J W Pouwels, Céline N Dietz, Feng Liu, Helen Blair Simpson

medRxiv· July 2025

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The rollercoaster of obsessive-compulsive disorder: How chronotype and time of day affect behavioral inhibition in adults with OCD.
Eyal Kalanthroff, Yuval Seror, Noa Sagi, Shachar Hochman, Omer Linkovski, Helen Blair Simpson

J Mood Anxiety Disord· June 2025

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Delay Discounting and Risk Tolerance in Obsessive Compulsive Disorder: Results From the Global OCD Study.
Karolina M Lempert, Benjamin Huber, Marcelo C Batistuzzo, Karthik Sheshachala, Dianne M Hezel, Helen Blair Simpson

Clin Psychol Sci· May 2025

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Age of onset of obsessive-compulsive disorder differentially affects white matter microstructure.
Chris Vriend, Niels T de Joode, Petra J W Pouwels, Feng Liu, Maria C G Otaduy, Helen Blair Simpson

Mol Psychiatry· April 2024

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White matter diffusion estimates in obsessive-compulsive disorder across 1653 individuals: machine learning findings from the ENIGMA OCD Working Group.
Bo-Gyeom Kim, Gakyung Kim, Yoshinari Abe, Pino Alonso, Stephanie Ameis, Helen Blair Simpson

Mol Psychiatry· April 2024

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Correction: White matter diffusion estimates in obsessive-compulsive disorder across 1653 individuals: machine learning findings from the ENIGMA OCD Working Group.
Bo-Gyeom Kim, Gakyung Kim, Yoshinari Abe, Pino Alonso, Stephanie Ameis, Helen Blair Simpson

Mol Psychiatry· April 2024

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Predictors of clinical worsening during a discontinuation trial of serotonin reuptake inhibitors for obsessive compulsive disorder.
Jeremy Tyler, Thea Gallagher, Michael G Wheaton, Gabriella E Hamlett, Ben Rosenfield, Helen B Simpson

J Anxiety Disord· January 2024

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How computational psychiatry can advance the understanding and treatment of obsessive-compulsive disorder.
Isaac Fradkin, Helen Blair Simpson, Raymond J Dolan, Jonathan D Huppert

World Psychiatry· October 2023

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Right Prefrontal Cortical Thickness Is Associated With Response to Cognitive-Behavioral Therapy in Children With Obsessive-Compulsive Disorder.
Sara Bertolín, Pino Alonso, Ignacio Martínez-Zalacaín, Jose M Menchón, Susana Jimenez-Murcia, Helen Blair Simpson

J Am Acad Child Adolesc Psychiatry· April 2023

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Cross-national harmonization of neurocognitive assessment across five sites in a global study.
Marcelo C Batistuzzo, Karthik Sheshachala, Daniel M Alschuler, Dianne M Hezel, Roberto Lewis-Fernández, Helen Blair Simpson

Neuropsychology· March 2023

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Global multi-center and multi-modal magnetic resonance imaging study of obsessive-compulsive disorder: Harmonization and monitoring of protocols in healthy volunteers and phantoms.
Petra J W Pouwels, Chris Vriend, Feng Liu, Niels T de Joode, Maria C G Otaduy, Helen Blair Simpson

Int J Methods Psychiatr Res· March 2023

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Measurement fidelity of clinical assessment methods in a global study on identifying reproducible brain signatures of obsessive-compulsive disorder.
Roseli G Shavitt, Karthik Sheshachala, Dianne M Hezel, Melanie M Wall, Srinivas Balachander, Helen Blair Simpson

Neuropsychology· March 2023

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Editorial: Obsessive-compulsive disorder (OCD) across the lifespan: Current diagnostic challenges and the search for personalized treatment.
Roseli G Shavitt, Odile A van den Heuvel, Christine Lochner, Y C Janardhan Reddy, Euripedes C Miguel, Helen Blair Simpson

Front Psychiatry· August 2022

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Subcortical shape in pediatric and adult obsessive-compulsive disorder.
Zhishun Wang, Martine Fontaine, Marilyn Cyr, Moira A Rynn, Helen Blair Simpson

Depress Anxiety· June 2022

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Latency to treatment seeking in patients with obsessive-compulsive disorder: Results from a large multicenter clinical sample.
Daniel Lucas da Conceição Costa, Adriano Polpo de Campos, Carlos Alberto de Bragança Pereira, Albina R Torres, Allan Christiano Dos Santos, Helen Blair Simpson

Psychiatry Res· June 2022

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Protocol for a Pragmatic Trial of Pharmacotherapy Options Following Unsatisfactory Initial Treatment in OCD (PROCEED).
Pei Wang, Wenjie Gu, Jian Gao, Changhong Wang, Jianqun Fang, Helen Blair Simpson

Front Psychiatry· May 2022

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Maintenance of Wellness in Patients With Obsessive-Compulsive Disorder Who Discontinue Medication After Exposure/Response Prevention Augmentation: A Randomized Clinical Trial.
Edna B Foa, Helen Blair Simpson, Thea Gallagher, Michael G Wheaton, Marina Gershkovich

JAMA Psychiatry· March 2022

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The thalamus and its subnuclei-a gateway to obsessive-compulsive disorder.
Cees J Weeland, Selina Kasprzak, Niels T de Joode, Yoshinari Abe, Pino Alonso, Helen Blair Simpson

Transl Psychiatry· February 2022

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Maximizing remission from cognitive-behavioral therapy in medicated adults with obsessive-compulsive disorder.
Helen B Simpson, Edna B Foa, Michael G Wheaton, Thea Gallagher, Marina Gershkovich

Behav Res Ther· August 2021

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White matter microstructure and its relation to clinical features of obsessive-compulsive disorder: findings from the ENIGMA OCD Working Group.
Fabrizio Piras, Federica Piras, Yoshinari Abe, Sri Mahavir Agarwal, Alan Anticevic, Helen Blair Simpson

Transl Psychiatry· March 2021

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Human Laboratory Models of Cannabis Use: Applications for Clinical and Translational Psychiatry Research.
Reilly R Kayser, Margaret Haney, Helen Blair Simpson

Front Psychiatry· February 2021

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Cutting-edge genetics in obsessive-compulsive disorder.
Leonardo Cardoso Saraiva, Carolina Cappi, Helen Blair Simpson, Dan J Stein, Biju Viswanath

Fac Rev· December 2020

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