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R. Todd Constable | |
|---|---|
| Born | |
| Education | University of Winnipeg (B.Sc.) University of Manitoba (M.Sc.) University of Toronto (Ph.D.) |
| Known for | MRI technical development, neuroscience, connectome mapping, low-field accessible MRI |
| Awards | ISMRM Gold Medal (2023) |
| Scientific career | |
| Fields | Medical physics, neuroscience, magnetic resonance imaging |
| Workplaces | Yale University |
| Thesis | (1990) |
| Website | medicine |
Robert Todd Constable is a Canadian-born medical physicist and neuroscientist from Winnipeg, Manitoba. He is the Elizabeth Mears and House Jameson Professor of Radiology and Biomedical Imaging, and Professor of Biomedical Engineering, at the Yale School of Medicine. He served as the Co-Director of the Yale Magnetic Resonance Research Center (MRRC) from its inception in 2003 until 2026, and he directs research programs in MR physics and neuroscience.[1]
Constable is recognized for his contributions to the technical development of magnetic resonance imaging (MRI) most recently with a focus on developing low-cost systems[2] in order to increase accessibility and functional magnetic resonance imaging (fMRI), with specific focus on mapping the functional organization of the human brain (the connectome) and relating it to human behavior[3]. His work is also focused on understanding the flexible functional organization of the brain within a fixed anatomic infrastructure[4].
Education
[edit]Constable completed his undergraduate studies at the University of Winnipeg, graduating with a Bachelor of Science (B.Sc.) in Physics in 1984. He went on to earn a Master of Science (M.Sc.) in Medical Physics from the University of Manitoba in 1986. He obtained his Doctor of Philosophy (Ph.D.) in Medical Biophysics from the University of Toronto in 1990 under the supervision of Dr. R. Mark Henkelman.[5] Following his doctoral studies, he joined Yale University as a postdoctoral fellow and has remained there since.[1]
Career and research
[edit]Constable's academic career at the Yale School of Medicine, involves running two parallel research laboratories: one focused on MR physics and hardware innovation, and the other on neuroscience and understanding brain disorders.
MRI hardware and physics
[edit]In his physics laboratory, Constable focuses on the development of novel MRI devices and image reconstruction algorithms. His notable contributions include the engineering and construction of field-cycling magnets that break away from the conventional cylindrical design of conventional whole-body imagers. This allows for MRI systems to be designed for specific anatomic applications such as in imaging the prostate or breast scanning.[6] The goal is to develop high-performance low-cost MRIs targeted at making accessible, clinical-grade imaging systems.[2]
Cognitive neuroscience and fMRI
[edit]His neuroscience laboratory focuses on utilizing fMRI to map functional connectivity and understand macroscale brain organization. His team investigates how specific cognitive processes, such as language, attention, and memory, are distributed across the brain. He is working to understand the link(s) between brain and behavior.[3] This work allows one to isolate circuits supporting specific behaviors and to develop test instruments that can be administered outside of the MRI setting, but provide insight into the functional organization of an individuals brain. This creates a new field of brain-based test instruments that reflect brain biomarkers[7]. Additionally, Constable's research explores how these global functional connectivity networks are modified by clinical variables, neurological diseases (such as epilepsy and autism[8]) and disorders[9], developmental stages, or pharmacological treatments.[1][10] His work aims to validate the brain connectome as a reliable, personalized biomarker for neurophenotyping individual patients.[6]
According to Google Scholar, Constable has an h-index of over 130, reflecting highly cited publications in the fields of diagnostic radiology, neuroimaging, and functional connectivity.[11]
Awards and honors
[edit]- 2015: Distinguished Investigator Award, Academy for Radiology & Biomedical Imaging Research
- 2019: Distinguished Alumni Award, University of Winnipeg[10]
- 2023: Gold Medal, International Society for Magnetic Resonance in Medicine (ISMRM) — awarded for his breakthrough technical developments in MRI and rigorous contributions to relating the brain connectome to behavior.[6]
- Fellow, International Society for Magnetic Resonance in Medicine (ISMRM)
References
[edit]- 1 2 3 "Todd Constable, PhD". medicine.yale.edu. Yale School of Medicine. Retrieved September 10, 2026.
- 1 2 Samardzija, Anja; Selvaganesan, Kartiga; Zhang, Horace Z.; Sun, Heng; Sun, Chenhao; Ha, Yonghyun; Galiana, Gigi; Constable, R. Todd (2024). "Low-Field, Low-Cost, Point-of-Care Magnetic Resonance Imaging". Annual Review of Biomedical Engineering. 26. Annual Reviews: 67–91. doi:10.1146/annurev-bioeng-110122-022903. ISSN 1545-4274.
- 1 2 Finn, Emily S.; Shen, Xilin; Scheinost, Dustin; Rosenberg, Monica D.; Huang, Jessica; Chun, Marvin M.; Papademetris, Xenophon; Constable, R. Todd (2015). "Functional connectome fingerprinting: identifying individuals using patterns of brain connectivity". [[Nature Neuroscience (journal)|]]. 18 (11). Nature Publishing Group: 1664–1671. doi:10.1038/nn.4135. ISSN 1546-1726.
- ↑ Constable, R. Todd (2026-01-14). "Structure–function relationships across scales: implications for atlases". Frontiers in Neuroscience. 19. doi:10.3389/fnins.2025.1750272. ISSN 1662-453X. PMC 12847032. PMID 41613262.
- ↑ "Google Scholar". scholar.google.com. Retrieved 2026-09-11.
- 1 2 3 "2023 Gold Medal Award: R. Todd Constable, Ph.D." ismrm.org. International Society for Magnetic Resonance in Medicine. May 5, 2023. Retrieved September 10, 2026.
- ↑ Iannone, Santino; Samardzija, Anja; Simon, Alexander J.; Parra, Flor; Constable, R. Todd (2026). "Brain-Behavior Associations: From Discovery to Clinical Application". [[Biological Psychiatry (journal)|]]. 99 (10): 851–861. doi:10.1016/j.biopsych.2026.02.020. ISSN 0006-3223.
- ↑ Horien, Corey; Mandino, Francesca; Greene, Abigail S.; Shen, Xilin; Powell, Kelly; Vernetti, Angelina; O’Connor, David; Adkinson, Brendan D.; Tejavibulya, Link; McPartland, James C.; Volkmar, Fred R.; Chun, Marvin; Chawarska, Katarzyna; Lake, Evelyn M. R.; Rosenberg, Monica D. (2026). "Optimizing functional connectivity scanning conditions for predicting autistic traits". [[Nature Mental Health (journal)|]]. 4 (5). Nature Publishing Group: 792–805. doi:10.1038/s44220-026-00623-7. ISSN 2731-6076.
- ↑ Greene, Abigail S.; Constable, R. Todd (2023-08-01). "Clinical Promise of Brain-Phenotype Modeling: A Review". JAMA Psychiatry. 80 (8): 848–854. doi:10.1001/jamapsychiatry.2023.1419. ISSN 2168-622X.
- 1 2 "Dr. Todd Constable - Distinguished Alumni Award". uwinnipeg.ca. The University of Winnipeg. 2019. Retrieved September 10, 2026.
- ↑ "R. Todd Constable". scholar.google.com. Google Scholar. Retrieved September 10, 2026.