Psychological researchers performed detailed mathematical analysis (“fractal analysis”) of barely perceptible changes to the brushstrokes used by artists, some of whom later developed neurological diseases. Analysis of hidden patterns of change in the fractal dimension of paintings reveals that diseases such as dementia and Parkinson’s Disease may first become evident decades before symptoms became typically overt.
Hughes, D. (2016). Art may reveal early signs of dementia. London: BBC Health News, December 29th 2016.
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Forsythe, A. Williams, T. [and] Reilly, RG. (2017). What paint can tell us: A fractal analysis of neurological changes in seven artists. Neuropsychology. January 2017; 31(1): 1-10.