Cognitive assessment and subtyping
Studying associations between MoCA score profiles, subtypes, changes in scoring patterns, and clinical outcomes.
Research
I use clinical data to understand differences between patients, study change over time, and evaluate interventions.
See the stories behind each work
The questions behind my work
Colorectal cancer subtyping
A 62-gene panel refines colorectal molecular subtypes and represents variation within them in two dimensions.
Vaccine effectiveness
A Phuket retrospective cohort compares a one-fifth-dose intradermal ChAdOx1 booster with standard intramuscular dosing after two CoronaVac doses.
Understanding heterogeneity
Why do similar patients differ?
I study patterns in cognitive scores and molecular profiles to describe clinically relevant subgroups.
Studying change over time
How does a clinical state change?
I study cognitive decline and recovery after fetal monitoring changes, with methods suited to each timescale.
Evaluating interventions
How do interventions compare?
I use observational study designs and randomized trial analysis to examine clinical interventions.
How the work connects
- Understanding heterogeneity. MoCA phenotypes, Colorectal subtypes.
- Studying change over time. Cascade tiers, EFM RCT.
- Evaluating interventions. EFM RCT, COVID-19 vaccine effectiveness.
Published work
Browse all public records
Public records on this map
Cognitive subtypes
Published conference abstract, 2026.
Published conference abstract on MoCA score-based subtypes for prediction of dementia outcomes and neuroimaging features.
Published conference abstract, 2025.
Published conference abstract on MoCA score-based subtyping and cognitive decline cascade analysis.
Published conference abstract, 2024.
Published conference abstract on MoCA score-based mild cognitive impairment subtyping.
Public software release, 2026.
Public companion app for the AAN 2026 poster on MoCA subtypes.
Colorectal subtypes
Journal article, 2023.
Journal article on a 62-gene panel for colorectal cancer molecular subtypes.
Published conference poster, 2021.
Published conference poster on colorectal cancer subtyping with machine learning.
Public software release, 2022.
Public code release for the 62-gene colorectal panel and polar CMS visualization.
Clinical interventions
Journal article, 2024.
Journal article comparing intradermal and intramuscular COVID-19 booster vaccination.
Public software release, 2026.
Public Stata release of an electronic fetal monitoring recovery RCT analysis.
Teaching methods
Journal article, 2020.
Journal article on a dissolution calorimetry and acid-base titration teaching lab.
Clinical workflows
Clinical software.
Collects hospital vital signs into a structured review, then sends the approved output to its destination. Passcode required.
Clinical software.
Turns source notes into a structured case review or case chat to support clinical reasoning. Passcode required.
Clinical software.
Shows incoming admission messages and their attending routing state. Passcode required.
Cognitive Subtypes
- MoCA phenotypes. ECNP 2024 published abstract on Montreal Cognitive Assessment score-based mild cognitive impairment subtyping.
Public abstracts so far. ECNP 2024 published abstract on MoCA phenotypes (10.1016/j.nsa.2024.104424; 10.5281/zenodo.20510036).
- Cascade tiers. Cascade analysis puts cognitive decline into ordered tiers for progression prediction.
Public abstracts so far. The AAN 2026 conference poster on MoCA subtypes describes a cognitive decline cascade with a bidirectional Markov transition model (10.1212/WNL.0000000000213276).
Other programs
- Colorectal subtypes. A 62-gene panel and polar CMS tool for colorectal molecular subtypes.
A 62-gene panel recapitulates the four CMS classes and identifies three further subpopulations. A 2D embedding shows functional pathways and the CMS2 to CMS4 continuum (10.1158/1541-7786.MCR-22-0476). Read the story
- EFM RCT. Recovery after electronic fetal monitoring changes.
Public Stata release of an electronic fetal monitoring recovery RCT analysis. Read the story
- COVID-19 vaccine effectiveness. Case-control and cohort design for booster-policy work.
Retrospective cohort in Phuket. A one-fifth intradermal ChAdOx1/AZD1222 booster after two CoronaVac doses, compared with the standard intramuscular dose. Adjusted hazard ratio 0.88 (95% CI 0.76 to 1.02) (10.1016/j.ijid.2024.107179). Read the story
- Chemistry education. A dissolution calorimetry and acid-base titration experiment for five white solids.
A 4-hour lab matches five white solids (ascorbic acid, citric acid, potassium hydroxide, sodium chloride, and urea) with dissolution calorimetry and acid-base titration (10.1021/acs.jchemed.0c00291). Read the story
- Spinal MRI. A deep-learning U-Net pipeline segments spinal MRI.
U-Net segmentation of spinal MRI to support surgical planning. Internal tool, 2021. Read the story
Program history
Program map
Program history and published records.
Blue: public tool. Orange: internal tool. Green: peer-reviewed journal.
MoCA phenotypes
Colorectal subtypes
- 2020 Thesis start. Undergraduate
- 2021 Oral + poster. STT47
- 2021 Thesis. After STT47 poster
- 2022 Public tool. CRCPolarCMS
- 2023 Journal cover. MCR 62-gene panel
EFM recovery
Vaccine effectiveness
- 2022-2023 Analysis. Vaccine program
- 2022-2023 Internal tool. Vaccine program
- 2022-2023 Training. Ministry of Public Health
- 2024 Journal. IJID booster cohort
Spinal MRI
- 2021 Internal tool. Spinal MRI
Chemistry education
- 2019 Prototyping. Chemistry education
- 2020 Journal. Five white solids