Fig. 5: Heatmaps of Disciplinary Publications in Alzheimer’s Disease Digital Biomarkers Diagnostic Research Over Three Time Periods.
From: Alzheimer’s disease digital biomarkers multidimensional landscape and AI model scoping review

a 2004–2012. b 2013–2018. c 2019–2024. Color indicates the popularity of a discipline during the given time period, with redder colors representing higher popularity and dominance.