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Journal Article Epublish 7 citations

PubMed: 36010753 DOI: 10.3390/e24081089

Catastrophe Theory Applied to Neuropsychological Data: Nonlinear Effects of Depression on Financial Capacity in Amnestic Mild Cognitive Impairment and Dementia.

Entropy (Basel) 24(8)

Authors: Dimitrios Stamovlasis, Vaitsa Giannouli, Julie Vaiopoulou, Magda Tsolaki

Affiliations

  • School of Philosophy and Education, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece.
  • 1st Department of Neurology, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, 54634 Thessaloniki, Greece.
  • Department of Education, University of Nicosia, Nicosia 2417, Cyprus.
  • School of Psychology, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece.
  • Alzheimer Hellas, 54643 Thessaloniki, Greece.
  • Laboratory of Neurodegenerative Diseases, Center for Interdisciplinary Research and Innovation (CIRI-AUTh), Balkan Center, Buildings A & B, Thessaloniki, Aristotle University of Thessaloniki, 10th km Thessaloniki-Thermi Rd, P.O. Box 8318, 54124 Thessaloniki, Greece.

Abstract

Financial incapacity is one of the cognitive deficits observed in amnestic mild cognitive impairment and dementia, while the combined interference of depression remains unexplored. The objective of this research is to investigate and propose a nonlinear model that explains empirical data better than ordinary linear ones and elucidates the role of depression. Four hundred eighteen (418) participants with a diagnosis of amnestic MCI with varying levels of depression were examined with the (GDS-15), the (FRSSD), and the (LCPLTAS). Cusp catastrophe analysis was applied to the data, which suggested that the nonlinear model was superior to the linear and logistic alternatives, demonstrating depression contributes to a bifurcation effect. Depressive symptomatology induces nonlinear effects, that is, beyond a threshold value sudden decline in financial capacity is observed. Implications for theory and practice are discussed.

MeSH

Depression, Dementia, Cognition Disorders, Nonlinear Dynamics, Cognitive Dysfunction

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