The anodal tDCS over the left posterior parietal cortex enhances attention toward a focus word in a sentence

Minamoto, Takehiro; Azuma, Miyuki; Yaoi, Ken; Ashizuka, Aoi; Mima, Tastuya; Osaka, Mariko; Fukuyama, Hidenao; Osaka, Naoyuki

doi:https://doi.org/10.3389/fnhum.2014.00992

The anodal tDCS over the left posterior parietal cortex enhances attention toward a focus word in a sentence

Minamoto, Takehiro; Azuma, Miyuki; Yaoi, Ken et al.

Frontiers in Human Neuroscience, 2014, 8(DEC), 992

アクセス数:374件（2025-07-09 02:00 集計）

固定URL: https://hdl.handle.net/11094/97865

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タイトル	The anodal tDCS over the left posterior parietal cortex enhances attention toward a focus word in a sentence
著者	NRID 1000040611306 1000040611306 著者名 Minamoto, Takehiro
	著者名 Azuma, Miyuki
	NRID 1000080647206 1000080647206 著者名 Yaoi, Ken
	NRID 1000050761087 1000050761087 著者名 Ashizuka, Aoi
	著者名 Mima, Tastuya
	NRID 1000070144300 1000070144300 researchmap permalink read0014582 read0014582 著者名 Osaka, Mariko
	著者名 Fukuyama, Hidenao
	NRID 1000020113136 1000020113136 著者名 Osaka, Naoyuki
キーワード等	Attention
	Posterior parietal cortex
	Reading span test
	tDCS
	Working memory
内容	Minamoto T., Azuma M., Yaoi K., et al. The anodal tDCS over the left posterior parietal cortex enhances attention toward a focus word in a sentence. Frontiers in Human Neuroscience 8, 992 (2014); https://doi.org/10.3389/fnhum.2014.00992.
抄録	The posterior parietal cortex (PPC) has two attentional functions: top-down attentional control and stimulus-driven attentional processing. Using the focused version of the reading span test (RST), in which the target word to be remembered is the critical word for comprehending a sentence (focused word) or a non-focused word, we examined the effect of tDCS on resolution of distractor interference by the focused word in the non-focus condition (top-down attentional control) and on augmented/shrunk attentional capture by the focused word in both the focus and non-focus conditions (stimulus-driven attentional processing). Participants were divided into two groups: anodal tDCS (atDCS) and cathodal tDCS (ctDCS). Online stimulation was given while participants performed the RST. A post-hoc recognition task was also administered in which three kinds of words were presented: target words in the RST, distractor words in the RST, and novel words. atDCS augmented the effect of the focused word by increasing differences in performance between the focus and non-focus conditions. Such an effect was not observed in the ctDCS group. As for the recognition task, atDCS again produced the augmented effect of the focused words in the distractor recognition. On the other hand, ctDCS brought less recognition of non-focused target words in comparison to sham. The results indicate that atDCS promotes stimulus-driven attentional processing, possibly by affecting neural firing in the inferior parietal regions. In contrast, ctDCS appears to prevent retrieval of less important information from episodic memory, which may require top-down attentional processing.
出版者	Frontiers Media S. A.
収録物名	Frontiers in Human Neuroscience
巻(号)	8(DEC)
ページ	992
刊行年月	2014-12-09
言語	英語
ハンドルURL	https://hdl.handle.net/11094/97865
eISSN	16625161
関連情報 (isIdenticalTo)	DOI (出版社版) https://doi.org/10.3389/fnhum.2014.00992
アクセス権	open access
権利情報	This article is licensed under a Creative Commons Attribution 4.0 International License.
出版タイプ	Version of Record
カテゴリ	学術雑誌論文 Journal Article

資源タイプ	学術雑誌論文
ローカル資源タイプ	学術雑誌論文
DCTERMS.bibliographicCitation	Frontiers in Human Neuroscience. 2014, 8(DEC), p. 992
DC.title	The anodal tDCS over the left posterior parietal cortex enhances attention toward a focus word in a sentence
DC.creator	Minamoto, Takehiro
	Azuma, Miyuki
	Yaoi, Ken
	Ashizuka, Aoi
	Mima, Tastuya
	Osaka, Mariko
	Fukuyama, Hidenao
	Osaka, Naoyuki
DC.publisher	Frontiers Media S. A.
DC.language' scheme='DCTERMS.RFC1766	英語
DCTERMS.issued' scheme='DCTERMS.W3CDTF	2014-12-09
DC.identifier	https://doi.org/10.3389/fnhum.2014.00992
DC.subject	Attention
	Posterior parietal cortex
	Reading span test
	tDCS
	Working memory
DC.description	Minamoto T., Azuma M., Yaoi K., et al. The anodal tDCS over the left posterior parietal cortex enhances attention toward a focus word in a sentence. Frontiers in Human Neuroscience 8, 992 (2014); https://doi.org/10.3389/fnhum.2014.00992.
DCTERMS.abstract	The posterior parietal cortex (PPC) has two attentional functions: top-down attentional control and stimulus-driven attentional processing. Using the focused version of the reading span test (RST), in which the target word to be remembered is the critical word for comprehending a sentence (focused word) or a non-focused word, we examined the effect of tDCS on resolution of distractor interference by the focused word in the non-focus condition (top-down attentional control) and on augmented/shrunk attentional capture by the focused word in both the focus and non-focus conditions (stimulus-driven attentional processing). Participants were divided into two groups: anodal tDCS (atDCS) and cathodal tDCS (ctDCS). Online stimulation was given while participants performed the RST. A post-hoc recognition task was also administered in which three kinds of words were presented: target words in the RST, distractor words in the RST, and novel words. atDCS augmented the effect of the focused word by increasing differences in performance between the focus and non-focus conditions. Such an effect was not observed in the ctDCS group. As for the recognition task, atDCS again produced the augmented effect of the focused words in the distractor recognition. On the other hand, ctDCS brought less recognition of non-focused target words in comparison to sham. The results indicate that atDCS promotes stimulus-driven attentional processing, possibly by affecting neural firing in the inferior parietal regions. In contrast, ctDCS appears to prevent retrieval of less important information from episodic memory, which may require top-down attentional processing.
DC.rights	This article is licensed under a Creative Commons Attribution 4.0 International License.
DC.format	97865
citation_title	The anodal tDCS over the left posterior parietal cortex enhances attention toward a focus word in a sentence
citation_author	Minamoto, Takehiro
	Azuma, Miyuki
	Yaoi, Ken
	Ashizuka, Aoi
	Mima, Tastuya
	Osaka, Mariko
	Fukuyama, Hidenao
	Osaka, Naoyuki
citation_publisher	Frontiers Media S. A.
citation_language	英語
citation_date	2014-12-09
citation_journal_title	Frontiers in Human Neuroscience
citation_volume	8
citation_issue	DEC
citation_firstpage	992
citation_doi	https://doi.org/10.3389/fnhum.2014.00992
citation_public_url	https://hdl.handle.net/11094/97865

The anodal tDCS over the left posterior parietal cortex enhances attention toward a focus word in a sentence

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