Author

Sasha Chehrzadeh

University of Southern California

Listed by name: these papers carry no ORCID for this author, so different people with the same name may be mixed together.

Biology Disciplines

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Neuroscience· 4

Signature Assays, Organisms & Methods

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Organism:human· 3 Approach:statistical model· 3 Research Focus:benchmarking· 2 Assay:multiome· 2 Research Focus:batch correction / integration· 1 Approach:variational autoencoder· 1

Frequent Co-Authors

Neda JahanshadiD· 4 shared Paul M. ThompsoniD· 4 shared Sophia I. ThomopoulosiD· 4 shared Hannah Yoo· 3 shared Kenny LiouiD· 3 shared Talia M. NiriD· 3 shared Arvin AraniiD· 2 shared Bramsh Q. ChandioiD· 2 shared

Activity by Year

2024-2026 · peak 2/yr

Co-Author Collaboration Network

10 top collaborators · 42 mutual co-author links

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4 shared papersNeuroscience

Neda JahanshadORCID

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Author profile →

4 papers

Recent·Most cited

Comparing Harmonization Approaches for Protocol-Related Variability in Multisite Diffusion MRI Data

Kenny Liou, Sophia I. Thomopoulos, Julio E Villalon Reina, Hannah Yoo, Yuhan Shuai, Sasha Chehrzadeh, Arvin Arani, Bret Borowski, Robert I. Reid, Prashanthi Vemuri, Clifford R. Jack, Michael Walter Weiner, Neda Jahanshad, Paul M. Thompson, Talia M. Nir

The paper compares three harmonization methods for multisite diffusion MRI data to reduce protocol-related variability while preserving associations with cognitive impairment and PET biomarkers.

bioRxiv · Jul 11, 2026 · PreprintNeuroscience

SPECTRA: Spatial Inference for Tractometry Toward Precision Mapping of White Matter Microstructure

Yixue Feng, Julio E. Villalón‐Reina, Iyad Ba Gari, Jonathan Davis Alibrando, Sophia I. Thomopoulos, Kenny Liou, Sunanda Somu, Hannah Yoo, Yuhan Shuai, Sasha Chehrzadeh, Talia M. Nir, Neda Jahanshad, Bramsh Q. Chandio, Paul M. Thompson

SPECTRA improves white matter microstructure mapping by incorporating spatial resolution and adaptive error control in tractometry analysis.

bioRxiv · May 13, 2026 · PreprintNeuroscience

DTI versus NODDI White Matter Microstructural Biomarkers of Alzheimer's Disease

Kenny Liou, Sophia I. Thomopoulos, Hannah Yoo, Yuhan Shuai, Sasha Chehrzadeh, Arvin Arani, Bret Borowski, Robert I. Reid, Clifford R. Jack, Michael Walter Weiner, Neda Jahanshad, Paul M. Thompson, Talia M. Nir, Alzheimer’s Disease Neuroimaging Initiative

The paper compares DTI and NODDI models using dMRI data from ADNI participants to assess their ability to detect AD-related biomarkers like cognitive impairment and amyloid-beta/tau pathology.

International Symposium on Medical Information Processing and Analysis (SIPAIM) · Nov 18, 2025Peer-reviewedNeuroscience

Deep Normative Tractometry for Identifying Joint White Matter Macro- and Micro-structural Abnormalities in Alzheimer's Disease

Yixue Feng, Bramsh Q. Chandio, Julio E. Villalón‐Reina, Sebastian M. Benavidez, Tamoghna Chattopadhyay, Sasha Chehrzadeh, Emily Laltoo, Sophia I. Thomopoulos, Himanshu Joshi, Ganesan Venkatasubramanian, John P. John, Neda Jahanshad, Paul M. Thompson

This paper introduces DNT, a variational autoencoder framework for detecting white matter abnormalities in Alzheimer's disease using macro- and microstructural data.

Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC) · Jul 15, 2024Peer-reviewedNeuroscience