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SimpleDIVA provides a reduced three-parameter formulation that enables direct estimation of auditory and somatosensory feedback control gains, as well as the learning rate of the feedforward command from trial-by-trial adaptation data; however, it provides point estimates without uncertainty information. This limitation becomes critical for subject-specific analyses based on noisy data. We introduce a probabilistic inference framework that estimates posterior distributions and quantifies how parameter uncertainty propagates to predicted trajectories. The method uses particle-based likelihood inference, sampling candidate parameter sets from prior distributions and weighting them according to their likelihood. We compare a late-window-only variant with a joint early\u2013late formulation that treats early-window (feedforward-dominated) and late-window (feedback-engaged) responses as complementary observations. Monte Carlo simulations across eight measurement noise levels evaluate the coverage and width of credible intervals, as well as estimation error. Results show robust estimation of feedback gains under both formulations. The joint early-late approach improves learning-rate inference, yielding narrower intervals, reduced bias, and improved trajectory recovery while maintaining near-nominal coverage at empirically relevant noise levels.<\/jats:p>","DOI":"10.1121\/10.0046803","type":"journal-article","created":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T12:02:32Z","timestamp":1790856152000},"page":"2769-2781","update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":0,"title":["Quantifying parameter uncertainty in a three-parameter model of speech and voice adaptation using early- and late-window pitch-shift responses"],"prefix":"10.1121","volume":"160","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8813-4833","authenticated-orcid":false,"given":"Nicol\u00e1s F.","family":"Quinteros","sequence":"first","affiliation":[{"name":"Department of Electronic Engineering, Universidad T\u00e9cnica Federico Santa Mar\u00eda 1 , Valpara\u00edso,","place":["Chile"]},{"name":"Advanced Center of Electrical and Electronic Engineering, Universidad T\u00e9cnica Federico Santa Mar\u00eda 2 , Valpara\u00edso,","place":["Chile"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9657-6183","authenticated-orcid":false,"given":"Jes\u00fas A.","family":"Parra","sequence":"additional","affiliation":[{"name":"Advanced Center of Electrical and Electronic Engineering, Universidad T\u00e9cnica Federico Santa Mar\u00eda 2 , Valpara\u00edso,","place":["Chile"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0004-8450-6419","authenticated-orcid":false,"given":"Luis A.","family":"Severino","sequence":"additional","affiliation":[{"name":"Department of Electronic Engineering, Universidad T\u00e9cnica Federico Santa Mar\u00eda 1 , Valpara\u00edso,","place":["Chile"]},{"name":"Advanced Center of Electrical and Electronic Engineering, Universidad T\u00e9cnica Federico Santa Mar\u00eda 2 , Valpara\u00edso,","place":["Chile"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4346-2489","authenticated-orcid":false,"given":"Juan P.","family":"Cort\u00e9s","sequence":"additional","affiliation":[{"name":"Advanced Center of Electrical and Electronic Engineering, Universidad T\u00e9cnica Federico Santa Mar\u00eda 2 , Valpara\u00edso,","place":["Chile"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9737-8277","authenticated-orcid":false,"given":"Gabriel A.","family":"Alzamendi","sequence":"additional","affiliation":[{"name":"Institute for Research and Development on Bioengineering and Bioinformatics, CONICET-UNER 3 , Oro Verde, Entre R\u00edos,","place":["Argentina"]},{"name":"Facultad de Ingenier\u00eda, Universidad Nacional de Entre R\u00edos 4 , Oro Verde, Entre R\u00edos,","place":["Argentina"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1418-8580","authenticated-orcid":false,"given":"Frank H.","family":"Guenther","sequence":"additional","affiliation":[{"name":"Boston University 5 Department of Speech, Language, and Hearing Sciences, , Boston, Massachusetts 02215,","place":["USA"]},{"name":"Boston University 6 Department of Biomedical Engineering, , Boston, Massachusetts 02215,","place":["USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5581-4392","authenticated-orcid":false,"given":"Mat\u00edas","family":"Za\u00f1artu","sequence":"additional","affiliation":[{"name":"Department of Electronic Engineering, Universidad T\u00e9cnica Federico Santa Mar\u00eda 1 , Valpara\u00edso,","place":["Chile"]},{"name":"Advanced Center of Electrical and Electronic Engineering, Universidad T\u00e9cnica Federico Santa Mar\u00eda 2 , Valpara\u00edso,","place":["Chile"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"231","published-online":{"date-parts":[[2026,10,1]]},"reference":[{"issue":"1","key":"2026100108022510900_c1","doi-asserted-by":"publisher","first-page":"e0191839","DOI":"10.1371\/journal.pone.0191839","article-title":"Sensorimotor adaptation of voice fundamental frequency in Parkinson's disease","volume":"13","year":"2018","journal-title":"PLoS One"},{"issue":"12","key":"2026100108022510900_c2","doi-asserted-by":"publisher","first-page":"4682","DOI":"10.1044\/2021_JSLHR-21-00153","article-title":"Feedback and feedforward auditory-motor processes for voice and articulation in Parkinson's disease","volume":"64","year":"2021","journal-title":"J. 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