Biomedical AI is only as rich as the data it receives.
Today, much of that data is a compressed proxy: a billing code, an ordinal score, or a few words in a note. Once human variation is discarded, no model can recover it.
Diagnosis code
ICD-10 F32.2
Major depressive disorder
Ordinal scale
MDS-UPDRS III: 24
A single total score
Clinical note
“Flat affect”
Two words stand in for behavior
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Human state
0108
A different starting point
People are high-dimensional.
Every interaction contains dynamic signals of motor, cognitive, affective, linguistic, and physiological state.
