Speech timing metrics

1. Speech timing metrics predict alzheimer dementia in silico (AUC = .75).

   “machine learning models trained on English‐speaking AD patients and HCs generalized best onto Spanish speakers when fed with speech timing than with word‐level features, both for identifying patients (AUC = .75)”

   In silicocross-linguistic machine learning model trained on English speakers tested on Spanish speakers

   Speech timing metrics as cross‐linguistic markers of Alzheimer's and cognitive decline: Evidence from Kiswahili, Spanish, and Portuguese speakers

   AAIC 2025 abstract·7 Jan 2026

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1. Speech timing metrics are associated with self-rated reading abilities in humans (r = -.52, p = .03).

   “as well as self‐rated reading abilities in Portuguese‐speaking AD patients ( r = ‐.52, p = .03).”

   Humansin Portuguese-speaking AD patients

   Speech timing metrics as cross‐linguistic markers of Alzheimer's and cognitive decline: Evidence from Kiswahili, Spanish, and Portuguese speakers

   AAIC 2025 abstract·7 Jan 2026

1. Speech timing metrics predict ACE-III in humans (r = .63, p < .001).

   “and Spanish‐speaking (ACE‐III: r = .63, p < .001) cohorts, as well as self‐rated reading abilities in Portuguese‐speaking AD patients”

   Humansin Spanish-speaking cohort (early-stage AD and HCs)

   Speech timing metrics as cross‐linguistic markers of Alzheimer's and cognitive decline: Evidence from Kiswahili, Spanish, and Portuguese speakers

   AAIC 2025 abstract·7 Jan 2026

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1. Speech timing metrics predict CERAD-DR in humans (r = .73, p < .001).

   “Speech timing metrics predicted cognitive status performance in HCs and AD patients from Kiswahili‐speaking (CERAD‐DR: r = .73, p < .001)”

   Humansin Kiswahili-speaking cohort (early-stage AD and HCs)

   Speech timing metrics as cross‐linguistic markers of Alzheimer's and cognitive decline: Evidence from Kiswahili, Spanish, and Portuguese speakers

   AAIC 2025 abstract·7 Jan 2026

More on CERAD-DR