Do Patients With Parkinson's Disease Exhibit Reduced Cheating Behavior? A Neuropsychological Study.

Abstract:

:Parkinson's disease (PD) is a common neurodegenerative disorder characterized by loss of dopamine neurons. Since a seminal report was published in the early twentieth century, a growing body of literature has suggested that patients with PD display characteristic personality traits, such as cautiousness and inflexibility. Notably, PD patients have also been described as "honest," indicating that they have a remarkable tendency to avoid behaving dishonestly. In this study, we predicted that PD patients show reduced cheating behavior in opportunities for dishonest gain due to dysfunction of the dopaminergic reward system. Thirty-two PD patients without dementia and 20 healthy controls (HC) completed an incentivized prediction task where participants were rewarded based on their self-reported accuracy, affording them the opportunity to behave dishonestly. Compared with HC, PD patients showed significantly lower accuracy in the prediction task. Furthermore, the mean accuracy of PD patients was virtually equivalent to the chance level. These results indicate that PD patients exhibit reduced cheating behavior when confronted with opportunities for dishonest gain.

journal_name

Front Neurol

journal_title

Frontiers in neurology

authors

Abe N,Kawasaki I,Hosokawa H,Baba T,Takeda A

doi

10.3389/fneur.2018.00378

subject

Has Abstract

pub_date

2018-05-24 00:00:00

pages

378

issn

1664-2295

journal_volume

9

pub_type

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