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Arithmetic Errors in Financial Contexts in Parkinson's Disease.

Hannah D Loenneker1, Sara Becker2, Susanne Nussbaum2

  • 1Department of Psychology, Diagnostics and Cognitive Neuropsychology, Eberhard Karls Universität Tübingen, Tübingen, Germany.

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|May 3, 2021
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Summary

This study found that 18% of Parkinson's Disease (PD) patients exhibit arithmetic deficits, particularly females with longer disease duration. Impairments in attention and visuospatial skills predict these dyscalculia-like symptoms in PD.

Keywords:
MCIattentiondyscalculiaelderlyfinancial managementgender differencesneurodegenerationvisuo-spatial function

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Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Gerontology

Background:

  • Dyscalculia research in neurodegenerative diseases is limited, impacting daily living.
  • Parkinson's Disease (PD) patients face cognitive impairment risks, with arithmetic deficits rarely studied in financial contexts.

Purpose of the Study:

  • To investigate arithmetic deficits in financial contexts among Parkinson's Disease patients.
  • To identify characteristics and predictors of arithmetic deficits in PD.
  • To explore the nature of these deficits, potentially indicating dyscalculia.

Main Methods:

  • An exploratory study of 100 PD patients, classified as cognitively normal (PD-NC) or mildly impaired (PD-MCI).
  • Assessment included two financial arithmetic tasks, a neuropsychological battery, motor examination, and clinical questionnaires.
  • Statistical analysis controlled for sociodemographic and clinical confounders.

Main Results:

  • 18% of PD patients displayed arithmetic deficits.
  • Deficits were more common in females with longer disease duration, poorer global cognition, and less depression.
  • Impaired attention and visuospatial/constructional abilities predicted arithmetic deficits.
  • Deficits often involved place × value processing issues.

Conclusions:

  • A distinct subgroup of PD patients may present with dyscalculia-like arithmetic deficits.
  • Further systematic research with sensitive tests is warranted to confirm these findings.
  • Arithmetic deficits in PD significantly impact financial activities and daily independence.