Behavioral Ratings of Executive Functioning Explain Instrumental Activities of Daily Living beyond Test Scores in Parkinsons Disease

Document Type

Journal Article

Publication Date

1-2-2016

Journal

Clinical Neuropsychologist

Volume

30

Issue

1

DOI

10.1080/13854046.2015.1133847

Keywords

Behavioral rating scales; Everyday functioning; Executive functioning; IADLs; Parkinson's disease

Abstract

© 2016 Taylor & Francis. Objective: Executive dysfunction is common in Parkinsons disease (PD), yet the relationship between executive functioning (EF) and instrumental activities of daily living (IADLs) is inconsistent. This inconsistency may be due to the limited relationship between EF test scores and behaviors. Rating scales provide a potential way to supplement test scores in predicting patients ability to complete IADLs by capturing a wide range of EF behaviors in their everyday environment. We hypothesized that informant-rated EF would provide incremental validity in predicting IADLs above and beyond EF test scores. Methods: Eighty-five patients were selected from a clinical neuropsychological database of PD patients evaluated for deep brain stimulation surgery at The Johns Hopkins Hospital between September 2006 and January 2015. Hierarchical regression was completed to determine the relationship between an EF behavioral rating scale (i.e., FrSBe), EF test scores, and IADLs. Results: The EF behavioral rating scale added incremental validity to neuropsychological test scores in predicting IADLs. Conclusions: Behavioral ratings of EF may provide additional information about how PD patients EF is influencing their everyday life.

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