Neurolinguist & Epidemiologist | Assistant Professor of Neurology @UCSFmac | Language & Dementia - automated speech analysis & item-level verbal fluency | NIA R00 & R01 | Communications Chair for the ISTAART Design and Data Analytics PIA | she/her/DrDrhttps://bsky.app/profile/jetmjvonk.bsky.socialhttps://bsky.app/profile/jetmjvonk.bsky.social/post/3mwofkgn6r224Our new paper in @braincomms.bsky.social shows that AI-based analysis of speech errors in brief reading task distinguish nonfluent vs logopenic PPA. Automated errors align with expert ratings, showing potential as practical scalable tool to aid differential diagnosis https://academic.oup.com/braincomms/article/8/5/fcag353/879278029 Sep 2026 17:54 +0000at://did:plc:nnw6jxscfgl373jyi3cml3ev/app.bsky.feed.post/3mwofkgn6r224https://bsky.app/profile/jetmjvonk.bsky.social/post/3mtwehhmfcc2hOur new paper in Memory & Language, led by Dr. Phillip Hamrick, shows that better episodic memory links to greater lexical diversity in spontaneous speech across English/Spanish + adulthood, suggesting memory shapes how we use our vocabulary throughout life https://www.jbe-platform.com/content/journals/10.1075/ml.25018.ham25 Aug 2026 17:40 +0000at://did:plc:nnw6jxscfgl373jyi3cml3ev/app.bsky.feed.post/3mtwehhmfcc2hhttps://bsky.app/profile/jetmjvonk.bsky.social/post/3ms77s6bnds2sOur new paper in @jamaneurology.com shows that automated analysis of just 1–2 minutes of speech can accurately distinguish primary progressive aphasia variants and reflects their underlying anatomy & pathology, with potential as a practical, interpretable tool to aid diagnosis and disease monitoring03 Aug 2026 19:21 +0000at://did:plc:nnw6jxscfgl373jyi3cml3ev/app.bsky.feed.post/3ms77s6bnds2shttps://bsky.app/profile/jetmjvonk.bsky.social/post/3mlpw5yrhus2pOur new paper in Alzheimer’s & Dementia, led by Dr. Grebe, shows that higher education/occupation (cognitive reserve proxies) first support better semantic function in svPPA despite more brain atrophy, but then faster decline as reserve depletes: https://alz-journals.onlinelibrary.wiley.com/doi/epdf/10.1002/alz.7144013 May 2026 08:47 +0000at://did:plc:nnw6jxscfgl373jyi3cml3ev/app.bsky.feed.post/3mlpw5yrhus2phttps://bsky.app/profile/jetmjvonk.bsky.social/post/3mksnpamcxs2uOur new paper in Cerebral Circulation – Cognition and Behaviour, led by Sanne Kuipers & Malin Overmars, applies Natural Language Processing to >1k memory clinic letters to study sex differences in documented cognitive features. Read here: https://www.sciencedirect.com/science/article/pii/S266624502600017601 May 2026 17:28 +0000at://did:plc:nnw6jxscfgl373jyi3cml3ev/app.bsky.feed.post/3mksnpamcxs2uhttps://bsky.app/profile/jetmjvonk.bsky.social/post/3meopuedjqc2rOn behalf of the @istaart.bsky.social Design and Data Analytics PIA: New paper in Experimental Gerontology extends principal stratification to estimate the Survivor Average Causal Effect to model heterogeneity in treatment response in gerontologic trials. https://doi.org/10.1016/j.exger.2026.11305512 Feb 2026 19:25 +0000at://did:plc:nnw6jxscfgl373jyi3cml3ev/app.bsky.feed.post/3meopuedjqc2rhttps://bsky.app/profile/jetmjvonk.bsky.social/post/3me5bp7nivs2zOn behalf of @istaart.bsky.social #DaDA PIA: Join in San José at AAIC Neuroscience Next! 🧠 Feb 26, 2026 — Aging Research: Intro to Longitudinal Data Analysis Hands-on workshop with Dr. Ana W. Capuano on modeling change in cognition & function over time using real data. Registration now open!05 Feb 2026 20:57 +0000at://did:plc:nnw6jxscfgl373jyi3cml3ev/app.bsky.feed.post/3me5bp7nivs2zhttps://bsky.app/profile/jetmjvonk.bsky.social/post/3mcuje6x6ck2uOur new paper in Alzheimer’s & Dementia shows that automated item-level fluency features improve classification of semantic vs logopenic PPA. They outperform total scores & align with brain atrophy patterns—supporting scalable disease monitoring. https://alz-journals.onlinelibrary.wiley.com/doi/10.1002/alz.7112420 Jan 2026 15:54 +0000at://did:plc:nnw6jxscfgl373jyi3cml3ev/app.bsky.feed.post/3mcuje6x6ck2uhttps://bsky.app/profile/jetmjvonk.bsky.social/post/3mcicujigks2vOn behalf of @istaart.bsky.social #DaDA PIA: Postdoctoral Associate opening in Pragmatic Dyadic Design. Seeking candidates with a PhD in biostatistics/quantitative methods, strong programming skills, and interest in pragmatic trials and AD/ADRD care. Apply here: https://postdocs.yale.edu/posts/2025-12-02-postdoctoral-associate-position-in-pragmatic-dyadic-design15 Jan 2026 19:26 +0000at://did:plc:nnw6jxscfgl373jyi3cml3ev/app.bsky.feed.post/3mcicujigks2vhttps://bsky.app/profile/jetmjvonk.bsky.social/post/3mbwuw5ax5k2pOn behalf of @istaart.bsky.social Design and Data Analytics #DaDA PIA: Are you interested in open science in #dementia research? Take the WYLDementia survey on data sharing in dementia research! Only 10 minutes, your insights can help shape more open & equitable science. https://forms.gle/GVuWAeHGmjaqccSY708 Jan 2026 21:01 +0000at://did:plc:nnw6jxscfgl373jyi3cml3ev/app.bsky.feed.post/3mbwuw5ax5k2phttps://bsky.app/profile/jetmjvonk.bsky.social/post/3mbwnproh2k2pExcited to share the launch of our new @istaart.bsky.social Cognition PIA SIG: Speech and Language Measures in Alzheimer’s Disease and Related Disorders, co-chaired with Alexandra König. Join our 1st meeting Jan 22, 2026 12:35pm CT (open to ISTAART members) Register: https://forms.monday.com/forms/9fd36c63f07fe748a96c1facdf6dd86d?r=use108 Jan 2026 18:53 +0000at://did:plc:nnw6jxscfgl373jyi3cml3ev/app.bsky.feed.post/3mbwnproh2k2phttps://bsky.app/profile/jetmjvonk.bsky.social/post/3mbsa2o7ki22pDon’t miss our free @istaart.bsky.social #DaDA PIA Year in Review webinar on Measurement Invariance & Harmonization across Cohorts, Jan 13 11:30am CT! Hear from speaker Dr. Sneha Mani & panelists Drs. Natalia Gomes Goncalves & Lars Lau Raket, moderated by yours truly. Register: alz.org/YearInReview https://alz.org/YearInReview07 Jan 2026 00:38 +0000at://did:plc:nnw6jxscfgl373jyi3cml3ev/app.bsky.feed.post/3mbsa2o7ki22phttps://bsky.app/profile/jetmjvonk.bsky.social/post/3ma52rd3pbs2vOn behalf of @istaart.bsky.social Design and Data Analytics #DaDA PIA: New paper by Newsom et al. in Journal of Aging and Health explores how social support and strain predict multimorbidity trajectories. Support was linked to lower morbidity accumulation: https://journals.sagepub.com/doi/full/10.1177/0898264325135109016 Dec 2025 21:12 +0000at://did:plc:nnw6jxscfgl373jyi3cml3ev/app.bsky.feed.post/3ma52rd3pbs2vhttps://bsky.app/profile/jetmjvonk.bsky.social/post/3m7sqey2ink2rOn behalf of the @istaart.bsky.social Design and Data Analytics #DaDA PIA: 📣 An exciting full-time opportunity as a Postdoctoral Associate in Gerontologic Biostatistics at the Yale School of Medicine. Apply here: https://postdocs.yale.edu/posts/2025-12-02-postdoctoral-associate-position-in-pragmatic-dyadic-design12 Dec 2025 18:39 +0000at://did:plc:nnw6jxscfgl373jyi3cml3ev/app.bsky.feed.post/3m7sqey2ink2rhttps://bsky.app/profile/jetmjvonk.bsky.social/post/3m7jdqctc4k2nOn behalf of the @istaart.bsky.social Design and Data Analytics PIA: New paper by Nagel et al. in PLOS ONE uses sequence and cluster analysis to reveal distinct patterns of cardiometabolic disease accumulation and their link to later #dementia onset. Read more: https://doi.org/10.1371/journal.pone.032630909 Dec 2025 00:59 +0000at://did:plc:nnw6jxscfgl373jyi3cml3ev/app.bsky.feed.post/3m7jdqctc4k2nhttps://bsky.app/profile/jetmjvonk.bsky.social/post/3m6i3ouq5r22bOn behalf of @istaart.bsky.social Design and Data Analytics PIA: We’ve compiled a new Resource Page on the ISTAART website highlighting key websites and tools shared during our #DaDA PIA Day at #AAIC2025. Check it out (PIA members only): https://urldefense.com/v3/__https://istaart.alz.org/files/category/39__;!!LQC6Cpwp!pujB-DdGpU56g2Ib9DrT2i5R_fecCxKzeQZiFSXa7PxpBhm1jW4ACUcAIIIGt7y4Pu_rccEbkRWqusXFyVo$ (File Categories>Resources)25 Nov 2025 19:37 +0000at://did:plc:nnw6jxscfgl373jyi3cml3ev/app.bsky.feed.post/3m6i3ouq5r22bhttps://bsky.app/profile/jetmjvonk.bsky.social/post/3m5yzf6eock2tOn behalf of @istaart.bsky.social Design and Data Analytics PIA: New paper by Davis-Plourde et al. in Statistics in Medicine presenting 3 mixed model approaches for incorporating baseline outcomes in stepped wedge CRTs—valuable for trial design methodology. https://onlinelibrary.wiley.com/doi/10.1002/sim.7027319 Nov 2025 19:46 +0000at://did:plc:nnw6jxscfgl373jyi3cml3ev/app.bsky.feed.post/3m5yzf6eock2thttps://bsky.app/profile/jetmjvonk.bsky.social/post/3m5tqtolj2c2m📣 Help shape our @istaart.bsky.social DaDA 2026 Year in Review webinar w/Dr. Sneha Mani on Measurement Invariance and Harmonization across Cohorts! What were standout papers, methods, or insights in 2025? What’s next in 2026? 📚 Suggest papers+trends: alz.surveymonkey.com/r/FSG8RXX ⏳ Deadline: Dec5 https://bit.ly/DaDA_YiR202617 Nov 2025 17:30 +0000at://did:plc:nnw6jxscfgl373jyi3cml3ev/app.bsky.feed.post/3m5tqtolj2c2mhttps://bsky.app/profile/jetmjvonk.bsky.social/post/3m5mrenfodk2eOn behalf of the @istaart.bsky.social Design and Data Analytics #DaDA PIA: New work by Dr. Lars Lau Raket et al. in Brain maps time course of #Alzheimer’s disease biomarkers—showing journey from #amyloid β positivity to severe #dementia spans up to 25 years. Open access: https://doi.org/10.1093/brain/awaf41314 Nov 2025 22:51 +0000at://did:plc:nnw6jxscfgl373jyi3cml3ev/app.bsky.feed.post/3m5mrenfodk2ehttps://bsky.app/profile/jetmjvonk.bsky.social/post/3m47jtzxblc2rOn behalf of the @istaart.bsky.social Design and Data Analytics PIA: Join for Webinar 3 in the ARISE 2025 series on Wed Oct 29, 12–1 PM CT! 🎓 Featuring early-career researchers at the intersection of aging, statistics, and data science Free and open to all – no registration required27 Oct 2025 23:06 +0000at://did:plc:nnw6jxscfgl373jyi3cml3ev/app.bsky.feed.post/3m47jtzxblc2rhttps://bsky.app/profile/jetmjvonk.bsky.social/post/3m2a3xvc4522xProud to share that I’ve received the official Notice of Award for my R01 from NIH National Institute on Aging: a 5yr $4.6M project to develop and validate speech-based tools for early Alzheimer’s detection. Grateful for my collaborators and the support—and spread the word: I’m hiring a postdoc!02 Oct 2025 17:40 +0000at://did:plc:nnw6jxscfgl373jyi3cml3ev/app.bsky.feed.post/3m2a3xvc4522xhttps://bsky.app/profile/jetmjvonk.bsky.social/post/3lxup6jbtk225Our new paper in Movement Disorders, led by Franco Ferrante, shows that digital fluency metrics from can predict and classify cognitive phenotypes in Parkinson’s disease, enabling scalable neuropsychological screenings. Read here: https://movementdisorders.onlinelibrary.wiley.com/doi/full/10.1002/mds.7000502 Sep 2025 18:02 +0000at://did:plc:nnw6jxscfgl373jyi3cml3ev/app.bsky.feed.post/3lxup6jbtk225https://bsky.app/profile/jetmjvonk.bsky.social/post/3lxumltmzzs2eOn behalf of the @istaart.bsky.social Design and Data Analytics PIA: We’re proud of our achievements and vibrant membership over the past year—and excited to keep building momentum in the year ahead!02 Sep 2025 17:15 +0000at://did:plc:nnw6jxscfgl373jyi3cml3ev/app.bsky.feed.post/3lxumltmzzs2ehttps://bsky.app/profile/jetmjvonk.bsky.social/post/3lxd552goxs2bOn behalf of the @istaart.bsky.social Team: Join this week for one of two ISTAART All-Member Town Halls! 🌍 Learn about PIAs, meet leadership, and explore ways to get involved. 📅 Aug 26, 5–6 PM CDT 📅 Aug 27, 9–10 AM CDT 🔗 istaart.alz.org/home #ISTAART #AAIC https://istaart.alz.org/home26 Aug 2025 18:23 +0000at://did:plc:nnw6jxscfgl373jyi3cml3ev/app.bsky.feed.post/3lxd552goxs2bhttps://bsky.app/profile/jetmjvonk.bsky.social/post/3lwrttaa3lc2cOn behalf of the @istaart.bsky.social Design and Data Analytics PIA: 🚨 Aug 27 = ARISE 2025 launch! 🚨 Join for cutting-edge work by early-career scientists in aging + data science—no registration needed. 🧠 Genetics, changepoints, missingness in EHRs. 📍 Free & open to all! #ARISE #AgingResearch19 Aug 2025 21:22 +0000at://did:plc:nnw6jxscfgl373jyi3cml3ev/app.bsky.feed.post/3lwrttaa3lc2chttps://bsky.app/profile/jetmjvonk.bsky.social/post/3lv77smxb6k26Our @istaart.bsky.social Design and Data Analytics #DaDA PIA committee and friends got together on Monday night at Toronto Island and had a blast! #AAIC2530 Jul 2025 18:10 +0000at://did:plc:nnw6jxscfgl373jyi3cml3ev/app.bsky.feed.post/3lv77smxb6k26