{"doi":"10.1101/2024.04.19.590326","title":"Mapping polarization sensitive optical coherence tomography and ultra-high-field diffusion MRI in the macaque brain","abstract":"Abstract This paper provides comparisons between microstructure and two-dimensional fiber orientations measured optically using polarization sensitive optical coherence tomography (PS-OCT) and those estimated from ultra-high-field diffusion MRI (dMRI) at 10.5T in the macaque brain. The PS-OCT imaging is done at an in-plane resolution of ∼10 microns in and around the thalamus. Whole brain dMRI is acquired at an isotropic resolution of 0.75 mm. We provide comparisons between cross-polarization and optical orientation from PS-OCT with the fractional anisotropy and two-dimensional orientations extracted from dMRI using a diffusion tensor model. The orientations from PS-OCT are also extracted computationally using a structure tensor. Additionally, we demonstrate the utility of mesoscale, PS-OCT imaging in improving the MRI resolution by learning the mapping between these contrasts using a super-resolution Generative Adversarial Network.","journal":"bioRxiv (Cold Spring Harbor Laboratory)","year":2024,"id":497002,"datarank":0.0,"base_score":0.0,"endowment":0.0,"self_citation_contribution":0.0,"citation_network_contribution":0.0,"self_endowment_contribution":0.0,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":0,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":0.6211,"is_data_producer":false,"deposit_databanks":null,"is_oa":true,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":"2024-01-01","fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":1343935,"name":"Marilyn Yeatts","orcid":null,"position":1,"is_corresponding":false},{"id":262455,"name":"Hamza Farooq","orcid":"0000-0001-5311-4368","position":2,"is_corresponding":false},{"id":240701,"name":"Matthew D. Johnson","orcid":"0000-0001-9686-5540","position":3,"is_corresponding":false},{"id":320268,"name":"Noam Harel","orcid":"0000-0002-6034-3801","position":4,"is_corresponding":false},{"id":256594,"name":"Steen Moeller","orcid":"0000-0003-1698-7260","position":5,"is_corresponding":false},{"id":320272,"name":"Jan Zimmermann","orcid":"0000-0003-3345-6074","position":6,"is_corresponding":false},{"id":12945,"name":"Essa Yacoub","orcid":"0009-0000-1007-9056","position":7,"is_corresponding":false},{"id":256599,"name":"Kâmil Uǧurbil","orcid":"0000-0002-8475-9334","position":8,"is_corresponding":false},{"id":320271,"name":"Sarah R. Heilbronner","orcid":"0000-0003-0893-5364","position":9,"is_corresponding":false},{"id":256596,"name":"Christophe Lenglet","orcid":"0000-0003-4646-3185","position":10,"is_corresponding":false},{"id":868427,"name":"Taner Akkin","orcid":"0000-0003-4660-8591","position":11,"is_corresponding":false},{"id":256595,"name":"Pramod Kumar Pisharady","orcid":"0000-0002-0756-1199","position":0,"is_corresponding":true}],"reference_count":25,"raw_metadata":null,"created_at":"2026-07-19T02:09:30.779495Z","pmid":null,"pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}