Publications

Kayhan Behdin*, Gabriel Loewinger*, Kenneth T. Kishida, Giovanni Parmigiani, Rahul Mazumder (2025). Multi-Task Learning for Sparsity Pattern Heterogeneity: A Discrete Optimization Approach. Journal of the Royal Statistical Society B (To Appear).

Al W Xin, Erjia Cui, Francisco Pereira, Gabriel Loewinger (2025). Capturing instantaneous neural signal-behavior relationships with concurrent functional mixed models. biorxiv, https://doi.org/10.1101/2025.09.08.671383.

Gabriel Loewinger*, Alex Levis*, Francisco Pereira (2025). Nonparametric causal inference for optogenetics: sequential excursion effects for dynamic regimes. arXiv, https://doi.org/10.48550/arXiv.2405.18597.

Gabriel Loewinger, Mats Julius Stensrud, Sandeep M Nayak, David B Yaden, Alex W Levis (2025). Causal Inference in Studies with Functional Unmasking: Psychedelics and Beyond. medRxiv, doi.org/10.64898/2025.12.05.25341713.

Gabriel Loewinger, Alex Levis, Erjia Cui, Francisco Pereira (2025). Fast Penalized Generalized Estimating Equations for Large Longitudinal Functional Datasets. arXiv, https://doi.org/10.48550/arXiv.2506.20437.

Alex Levis*, Gabriel Loewinger*, Francisco Pereira (2024). Causal inference in the closed-loop: marginal structural models for sequential excursion effects. NeurIPS 2024, https://doi.org/10.52202/079017-3464.

Gabriel Loewinger, Rolando Acosta Nunez, Rahul Mazumder, Giovanni Parmigiani (2024). Optimal Ensemble Construction for Multi-Study Prediction with Applications to COVID-19 Excess Mortality Estimation. Statistics in Medicine, (9), 43, pp. 1774–1789.

Gabriel Loewinger, Erjia Cui, David Lovinger, Francisco Pereira (2023). A Statistical Framework for Analysis of Trial-Level Temporal Dynamics in Fiber Photometry Experiments. eLife, https://elifesciences.org/reviewed-preprints/95802.

Gabriel Loewinger, Prasad Patil, Kenneth T. Kishida, Giovanni Parmigiani (2022). Hierarchical resampling for bagging in multistudy prediction with applications to human neurochemical sensing. The Annals of Applied Statistics, (16), 4, pp. 2145–2165, https://doi.org/10.1214/21-AOAS1574.

Inmaculada Marquez, Gabriel Loewinger, Juan Pedro Vargas, Juan Carlos Lopez, Estrella Diaz, Guillem Esber (2021). Surprise-Induced Enhancements in the Associability of Pavlovian Cues Facilitate Learning across Behavior Systems. Behavioral Neuroscience, https://doi.org/10.1101/2021.06.14.448382.

Brian Rush, Olivia Marcus, Sara Garcia, Anja Loizaga-Velder, Gabriel Loewinger, Ariane Spitalier, Fernando Mendive (2021). Protocol for Outcome Evaluation of Ayahuasca-Assisted Addiction Treatment: The Case of Takiwasi Center. Frontiers in Pharmacology, (12), pp. 1203, https://doi.org/10.3389/fphar.2021.659644.

Kari Johnson, Lucas Voyvodic, Gabriel Loewinger, Yolanda Mateo, David Lovinger (2020). Operant Self-Stimulation of Thalamic Terminals in the Dorsomedial Striatum is Constrained by Metabotropic Glutamate Receptor 2. Neuropsychopharmacology, (45), 9, pp. 1454–1462, https://doi.org/10.1038/s41386-020-0626-y.

Shana Augustin, Gabriel Loewinger, Timothy O'Neal, Alexxai Kravitz, David Lovinger (2020). Dopamine D2 Receptor Signaling on iMSNs is Required for Initiation and Vigor of Learned Actions. Neuropsychopharmacology, (45), 12, pp. 2087–2097, https://doi.org/10.1038/s41386-020-00799-1.

Gabriel Loewinger, Bishnu Sharma, Deepak Kumar Karki, Prasana Khatiwoda, Sher Kainee, Krishna Poudel (2016). Low Knowledge and Perceived Hepatitis C Risk Despite High Risk Behaviour among Injection Drug Users in Kathmandu, Nepal. International Journal of Drug Policy, (33), pp. 75-82, https://doi.org/10.1016/j.drugpo.2016.05.005.

Gabriel Loewinger, Erik Oleson, Joseph Cheer (2013). Using Dopamine Research to Generate Rational Cannabinoid Drug Policy. Drug Testing and Analysis, (5), 1, pp. 22-26, https://doi.org/10.1002/dta.1410.

Kate Wassum, Sean Ostlund, Gabriel Loewinger, Nigel Maidment (2013). Phasic Mesolimbic Dopamine Release Tracks Reward Seeking During Expression of Pavlovian-to-Instrumental Transfer. Biological Psychiatry, (73), 8, pp. 747–755, https://doi.org/10.1016/j.biopsych.2012.12.005.

Gabriel Loewinger, Michael Beckert, Hugo Tejeda, Joseph Cheer (2012). Methamphetamine-Induced Dopamine Terminal Deficits in the Nucleus Accumbens are Exacerbated by Reward-Associated Cues and Attenuated by CB1 Receptor Antagonism. Neuropharmacology, (62), 7, pp. 2192-2201, https://doi.org/10.1016/j.neuropharm.2012.01.013.