Altered awareness of action in Parkinson’s disease: evaluations by explicit and implicit measures

Abstract Deficits in the integration of motor prediction and its feedback have been reported in Parkinson’s disease. Conscious awareness of action is proposed to emerge under the integration of motor prediction and its feedback. Thus, it may lead to changes in the awareness of the authorship of acti...

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Autores principales:	Naho Saito, Keisuke Takahata, Hodaka Yamakado, Nobukatsu Sawamoto, Satoshi Saito, Ryosuke Takahashi, Toshiya Murai, Hidehiko Takahashi
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/b8bd89d01d9d46bb8dc5a41dc7a809ed
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spelling	oai:doaj.org-article:b8bd89d01d9d46bb8dc5a41dc7a809ed2021-12-02T12:32:16ZAltered awareness of action in Parkinson’s disease: evaluations by explicit and implicit measures10.1038/s41598-017-08482-02045-2322https://doaj.org/article/b8bd89d01d9d46bb8dc5a41dc7a809ed2017-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-08482-0https://doaj.org/toc/2045-2322Abstract Deficits in the integration of motor prediction and its feedback have been reported in Parkinson’s disease. Conscious awareness of action is proposed to emerge under the integration of motor prediction and its feedback. Thus, it may lead to changes in the awareness of the authorship of action (in other words, the sense of agency) in Parkinson’s disease. We have employed both explicit and implicit measures to assess the awareness of action in Parkinson’s disease and matched controls. As an explicit measure, an action recognition task requiring explicit judgments was used. Patients showed less attribution of their movements to non-biased and angular-biased visual feedbacks. As an implicit measure, the temporal attraction between the perceived time of actions and their effects, which is known as intentional binding task, was used. While action-effect association was observed in the control group, actions were not experienced as having shifted towards their subsequent effects in the patient group. These tendencies were consistent regardless of the side of the asymmetrical motor symptoms. These results may reflect an underlying abnormality in the awareness of voluntary action in Parkinson’s disease.Naho SaitoKeisuke TakahataHodaka YamakadoNobukatsu SawamotoSatoshi SaitoRyosuke TakahashiToshiya MuraiHidehiko TakahashiNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-9 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Naho Saito Keisuke Takahata Hodaka Yamakado Nobukatsu Sawamoto Satoshi Saito Ryosuke Takahashi Toshiya Murai Hidehiko Takahashi Altered awareness of action in Parkinson’s disease: evaluations by explicit and implicit measures
description	Abstract Deficits in the integration of motor prediction and its feedback have been reported in Parkinson’s disease. Conscious awareness of action is proposed to emerge under the integration of motor prediction and its feedback. Thus, it may lead to changes in the awareness of the authorship of action (in other words, the sense of agency) in Parkinson’s disease. We have employed both explicit and implicit measures to assess the awareness of action in Parkinson’s disease and matched controls. As an explicit measure, an action recognition task requiring explicit judgments was used. Patients showed less attribution of their movements to non-biased and angular-biased visual feedbacks. As an implicit measure, the temporal attraction between the perceived time of actions and their effects, which is known as intentional binding task, was used. While action-effect association was observed in the control group, actions were not experienced as having shifted towards their subsequent effects in the patient group. These tendencies were consistent regardless of the side of the asymmetrical motor symptoms. These results may reflect an underlying abnormality in the awareness of voluntary action in Parkinson’s disease.
format	article
author	Naho Saito Keisuke Takahata Hodaka Yamakado Nobukatsu Sawamoto Satoshi Saito Ryosuke Takahashi Toshiya Murai Hidehiko Takahashi
author_facet	Naho Saito Keisuke Takahata Hodaka Yamakado Nobukatsu Sawamoto Satoshi Saito Ryosuke Takahashi Toshiya Murai Hidehiko Takahashi
author_sort	Naho Saito
title	Altered awareness of action in Parkinson’s disease: evaluations by explicit and implicit measures
title_short	Altered awareness of action in Parkinson’s disease: evaluations by explicit and implicit measures
title_full	Altered awareness of action in Parkinson’s disease: evaluations by explicit and implicit measures
title_fullStr	Altered awareness of action in Parkinson’s disease: evaluations by explicit and implicit measures
title_full_unstemmed	Altered awareness of action in Parkinson’s disease: evaluations by explicit and implicit measures
title_sort	altered awareness of action in parkinson’s disease: evaluations by explicit and implicit measures
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/b8bd89d01d9d46bb8dc5a41dc7a809ed
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Altered awareness of action in Parkinson’s disease: evaluations by explicit and implicit measures

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