Pareidolia in Parkinson’s Disease and Multiple System Atrophy

Pareidolia is a visual illusion of meaningful objects that arise from ambiguous forms embedded in visual scenes. Previous studies showed that pareidolias are frequently observed in patients with Parkinson’s disease (PD) as well as dementia with Lewy bodies. However, whether pareidolias are useful fo...

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Autores principales:	Kentaro Kurumada, Atsuhiko Sugiyama, Shigeki Hirano, Tatsuya Yamamoto, Yoshitaka Yamanaka, Nobuyuki Araki, Masatsugu Yakiyama, Miki Yoshitake, Satoshi Kuwabara
Formato:	article
Lenguaje:	EN
Publicado:	Hindawi Limited 2021
Materias:	Neurology. Diseases of the nervous system RC346-429
Acceso en línea:	https://doaj.org/article/00ae8ee3f511436b85dbb6068aab713e
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spelling	oai:doaj.org-article:00ae8ee3f511436b85dbb6068aab713e2021-11-08T02:37:22ZPareidolia in Parkinson’s Disease and Multiple System Atrophy2042-008010.1155/2021/2704755https://doaj.org/article/00ae8ee3f511436b85dbb6068aab713e2021-01-01T00:00:00Zhttp://dx.doi.org/10.1155/2021/2704755https://doaj.org/toc/2042-0080Pareidolia is a visual illusion of meaningful objects that arise from ambiguous forms embedded in visual scenes. Previous studies showed that pareidolias are frequently observed in patients with Parkinson’s disease (PD) as well as dementia with Lewy bodies. However, whether pareidolias are useful for differentiating PD from other neurodegenerative parkinsonism disorders including multiple system atrophy (MSA) is unclear. The noise pareidolia test (NPT) was performed in 40 and 48 patients with PD and MSA, respectively. A receiver operating characteristic (ROC) curve analysis was used to evaluate sensitivity and specificity. Results of neuropsychological tests were also compared between patients with PD with and without pareidolias. Visual hallucinations were present in none of the subjects. Pareidolic response in the NPT was observed in 47.5% and 18.8% of patients with PD and MSA, respectively. The number of pareidolic responses in patients with PD was significantly larger compared with patients with MSA (P=0.001). ROC curve analyses showed the sensitivity and specificity at 33% and 98%, respectively. Among patients with PD, those with pareidolias demonstrated higher State-Trait Anxiety Inventory-state (P=0.044) and State-Trait Anxiety Inventory-trait (P=0.044) than those without pareidolias. Pareidolias can be found in patients with PD without visual hallucinations, and the pareidolia test may be a highly specific test for differentiating PD from MSA. Thus, anxiety may be associated with pareidolias in patients with PD.Kentaro KurumadaAtsuhiko SugiyamaShigeki HiranoTatsuya YamamotoYoshitaka YamanakaNobuyuki ArakiMasatsugu YakiyamaMiki YoshitakeSatoshi KuwabaraHindawi LimitedarticleNeurology. Diseases of the nervous systemRC346-429ENParkinson's Disease, Vol 2021 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Neurology. Diseases of the nervous system RC346-429
spellingShingle	Neurology. Diseases of the nervous system RC346-429 Kentaro Kurumada Atsuhiko Sugiyama Shigeki Hirano Tatsuya Yamamoto Yoshitaka Yamanaka Nobuyuki Araki Masatsugu Yakiyama Miki Yoshitake Satoshi Kuwabara Pareidolia in Parkinson’s Disease and Multiple System Atrophy
description	Pareidolia is a visual illusion of meaningful objects that arise from ambiguous forms embedded in visual scenes. Previous studies showed that pareidolias are frequently observed in patients with Parkinson’s disease (PD) as well as dementia with Lewy bodies. However, whether pareidolias are useful for differentiating PD from other neurodegenerative parkinsonism disorders including multiple system atrophy (MSA) is unclear. The noise pareidolia test (NPT) was performed in 40 and 48 patients with PD and MSA, respectively. A receiver operating characteristic (ROC) curve analysis was used to evaluate sensitivity and specificity. Results of neuropsychological tests were also compared between patients with PD with and without pareidolias. Visual hallucinations were present in none of the subjects. Pareidolic response in the NPT was observed in 47.5% and 18.8% of patients with PD and MSA, respectively. The number of pareidolic responses in patients with PD was significantly larger compared with patients with MSA (P=0.001). ROC curve analyses showed the sensitivity and specificity at 33% and 98%, respectively. Among patients with PD, those with pareidolias demonstrated higher State-Trait Anxiety Inventory-state (P=0.044) and State-Trait Anxiety Inventory-trait (P=0.044) than those without pareidolias. Pareidolias can be found in patients with PD without visual hallucinations, and the pareidolia test may be a highly specific test for differentiating PD from MSA. Thus, anxiety may be associated with pareidolias in patients with PD.
format	article
author	Kentaro Kurumada Atsuhiko Sugiyama Shigeki Hirano Tatsuya Yamamoto Yoshitaka Yamanaka Nobuyuki Araki Masatsugu Yakiyama Miki Yoshitake Satoshi Kuwabara
author_facet	Kentaro Kurumada Atsuhiko Sugiyama Shigeki Hirano Tatsuya Yamamoto Yoshitaka Yamanaka Nobuyuki Araki Masatsugu Yakiyama Miki Yoshitake Satoshi Kuwabara
author_sort	Kentaro Kurumada
title	Pareidolia in Parkinson’s Disease and Multiple System Atrophy
title_short	Pareidolia in Parkinson’s Disease and Multiple System Atrophy
title_full	Pareidolia in Parkinson’s Disease and Multiple System Atrophy
title_fullStr	Pareidolia in Parkinson’s Disease and Multiple System Atrophy
title_full_unstemmed	Pareidolia in Parkinson’s Disease and Multiple System Atrophy
title_sort	pareidolia in parkinson’s disease and multiple system atrophy
publisher	Hindawi Limited
publishDate	2021
url	https://doaj.org/article/00ae8ee3f511436b85dbb6068aab713e
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Pareidolia in Parkinson’s Disease and Multiple System Atrophy

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