Disentangling the relationship between cognitive estimation abilities and executive functions: a study on patients with Parkinson’s disease

Guido Edoardo D’Aniello, Federica Scarpina, Giovanni Albani, Gianluca Castelnuovo, Alessandro Mauro

Research output: Contribution to journalArticlepeer-review

Abstract

The cognitive estimation test (CET) measures cognitive estimation abilities: it assesses the ability to apply reasoning strategies to answer questions that usually cannot lead to a clear and exact reply. Since it requires the activation of an intricate ensemble of cognitive functions, there is an ongoing debate in the literature regarding whether the CET represents a measurement of global cognitive abilities or a pure measure of executive functions. In the present study, CET together with a neuropsychological assessment focused on executive functions was administered in thirty patients with Parkinson’s disease without signs of dementia. The CET correlated with measures of verbal working memory and semantic knowledge, but not with other dimensions of executive domains, such as verbal phonemic fluency, ability to manage real-world interferences, or visuospatial reasoning. According to our results, cognitive estimation abilities appeared to trigger a defined cognitive path that includes executive functions, namely, working memory and semantic knowledge.

Original languageEnglish
Pages (from-to)1425-1429
Number of pages5
JournalNeurological Sciences
Volume36
Issue number8
DOIs
Publication statusPublished - Aug 28 2015

Keywords

  • Cognitive estimation
  • Executive functions
  • Neuropsychological tests
  • Parkinson’s disease

ASJC Scopus subject areas

  • Clinical Neurology
  • Psychiatry and Mental health
  • Dermatology

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