Parietal alpha tACS shows inconsistent effects on visuospatial attention.

Transcranial alternating current stimulation (tACS) is a popular technique that has been used for manipulating brain oscillations and inferring causality regarding the brain-behaviour relationship. Although it is a promising tool, the variability of tACS results has raised questions regarding the ro...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Andra Coldea, Stephanie Morand, Domenica Veniero, Monika Harvey, Gregor Thut
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/415b557236a14c05823107c8998e9993
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:415b557236a14c05823107c8998e9993
record_format	dspace
spelling	oai:doaj.org-article:415b557236a14c05823107c8998e99932021-12-02T20:18:39ZParietal alpha tACS shows inconsistent effects on visuospatial attention.1932-620310.1371/journal.pone.0255424https://doaj.org/article/415b557236a14c05823107c8998e99932021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0255424https://doaj.org/toc/1932-6203Transcranial alternating current stimulation (tACS) is a popular technique that has been used for manipulating brain oscillations and inferring causality regarding the brain-behaviour relationship. Although it is a promising tool, the variability of tACS results has raised questions regarding the robustness and reproducibility of its effects. Building on recent research using tACS to modulate visuospatial attention, we here attempted to replicate findings of lateralized parietal tACS at alpha frequency to induce a change in attention bias away from the contra- towards the ipsilateral visual hemifield. 40 healthy participants underwent tACS in two separate sessions where either 10 Hz tACS or sham was applied via a high-density montage over the left parietal cortex at 1.5 mA for 20 min, while performance was assessed in an endogenous attention task. Task and tACS parameters were chosen to match those of previous studies reporting positive effects. Unlike these studies, we did not observe lateralized parietal alpha tACS to affect attention deployment or visual processing across the hemifields as compared to sham. Likewise, additional resting electroencephalography immediately offline to tACS did not reveal any notable effects on individual alpha power or frequency. Our study emphasizes the need for more replication studies and systematic investigations of the factors that drive tACS effects.Andra ColdeaStephanie MorandDomenica VenieroMonika HarveyGregor ThutPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 8, p e0255424 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Andra Coldea Stephanie Morand Domenica Veniero Monika Harvey Gregor Thut Parietal alpha tACS shows inconsistent effects on visuospatial attention.
description	Transcranial alternating current stimulation (tACS) is a popular technique that has been used for manipulating brain oscillations and inferring causality regarding the brain-behaviour relationship. Although it is a promising tool, the variability of tACS results has raised questions regarding the robustness and reproducibility of its effects. Building on recent research using tACS to modulate visuospatial attention, we here attempted to replicate findings of lateralized parietal tACS at alpha frequency to induce a change in attention bias away from the contra- towards the ipsilateral visual hemifield. 40 healthy participants underwent tACS in two separate sessions where either 10 Hz tACS or sham was applied via a high-density montage over the left parietal cortex at 1.5 mA for 20 min, while performance was assessed in an endogenous attention task. Task and tACS parameters were chosen to match those of previous studies reporting positive effects. Unlike these studies, we did not observe lateralized parietal alpha tACS to affect attention deployment or visual processing across the hemifields as compared to sham. Likewise, additional resting electroencephalography immediately offline to tACS did not reveal any notable effects on individual alpha power or frequency. Our study emphasizes the need for more replication studies and systematic investigations of the factors that drive tACS effects.
format	article
author	Andra Coldea Stephanie Morand Domenica Veniero Monika Harvey Gregor Thut
author_facet	Andra Coldea Stephanie Morand Domenica Veniero Monika Harvey Gregor Thut
author_sort	Andra Coldea
title	Parietal alpha tACS shows inconsistent effects on visuospatial attention.
title_short	Parietal alpha tACS shows inconsistent effects on visuospatial attention.
title_full	Parietal alpha tACS shows inconsistent effects on visuospatial attention.
title_fullStr	Parietal alpha tACS shows inconsistent effects on visuospatial attention.
title_full_unstemmed	Parietal alpha tACS shows inconsistent effects on visuospatial attention.
title_sort	parietal alpha tacs shows inconsistent effects on visuospatial attention.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/415b557236a14c05823107c8998e9993
work_keys_str_mv	AT andracoldea parietalalphatacsshowsinconsistenteffectsonvisuospatialattention AT stephaniemorand parietalalphatacsshowsinconsistenteffectsonvisuospatialattention AT domenicaveniero parietalalphatacsshowsinconsistenteffectsonvisuospatialattention AT monikaharvey parietalalphatacsshowsinconsistenteffectsonvisuospatialattention AT gregorthut parietalalphatacsshowsinconsistenteffectsonvisuospatialattention
_version_	1718374279768178688

Parietal alpha tACS shows inconsistent effects on visuospatial attention.

Ejemplares similares