Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
366-03-002 ISMRM Abstract

LASSO informed textural changes are more sensitive than volumetry of amygdala in cocaine use disorder patients

Accepted
Shounak Nandi1, Sairam Geethanath 2,3,4
1Department of Radiology, Gruss Magnetic Resonance Research Center, Albert Einstein College of Medicine, Bronx, United States of America
2Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, United States of America
3Johns Hopkins University School of Medicine, Baltimore, United States of America
4Russell H. Morgan Department of Radiology and Radiological Sciences, Johns Hopkins University School of Medicine, Baltimore, United States of America
Presenting Author: Sairam Geethanath

Synopsis

Motivation:
Goals:
Approach:
Results:
Full abstract & presentation

The full text, figures, and any recorded presentation for this abstract are not shown here. Log in if you are a member or registered attendee with access.

Full abstracts, figures, and presentations for Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition are available to registered attendees. This content becomes freely available to the public roughly two years after the meeting.

To request or purchase access, contact the ISMRM Central Office at info@ismrm.org.

Log in

References

1. Angeles-Valdez D, Rasgado-Toledo J, Villicana V, Davalos-Guzman A, Almanza C, Fajardo-Valdez A, et al. The Mexican dataset of a repetitive transcranial magnetic stimulation clinical trial on cocaine use disorder patients: SUDMEX TMS. Sci Data. 2024;11(1):408
2. Fischl B. FreeSurfer. Neuroimage. 2012;62(2):774-81
3. Haralick RM, Shanmugam K, Dinstein IH. Textural features for image classification. IEEE Transactions on systems, man, and cybernetics. 1973(6):610-21
4. Giakoumoglou N. PyFeats: Open-source software for image feature extraction: GitHub; 2021.
5. Tibshirani R. Regression shrinkage and selection via the Lasso. J Roy Stat Soc B. 1996;58(1):267-88
6. Roberts DR, Bahn V, Ciuti S, Boyce MS, Elith J, Guillera-Arroita G, et al. Cross-validation strategies for data with temporal, spatial, hierarchical, or phylogenetic structure. Ecography. 2017;40(8):913-29
7. Breiman L FJ, Olshen RA, Stone CJ. Classification and Regression Trees 1984
8. O'Brien RM. A caution regarding rules of thumb for variance inflation factors. Qual Quant. 2007;41(5):673-90
9. Nandi S, Poojar P, Bachi K, Taufique S, Hurd Y, Geethanath S, editors. Textural changes in the amygdala are more sensitive than volumetric changes in cocaine use disorder patients undergoing therapy. ISMRM Annual Meetings; 2024; Singapore2024.

Cite this abstract