Effects of transcranial direct current stimulation (tDCS) on behaviour and electrophysiology of language production

Wirth, Miranka; Rahman, Rasha Abdel; Kuenecke, Janina; Koenig, Thomas; Horn, Helge; Sommer, Werner; Dierks, Thomas

doi:10.1016/j.neuropsychologia.2011.10.015

Cited by 122 publications

(90 citation statements)

References 77 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The dorsolateral prefrontal cortex (DLPFC) is one of the most frequently targeted stimulation sites in tDCS studies. Studies have shown that tDCS has modulatory effects on attention (Gladwin et al 2012b;Kang et al 2009;Kang et al 2012;Nelson et al 2014;Nozari and Thompson-Schill 2013), memory and verbal processing (Fertonani et al 2010;Fertonani et al 2014;Metuki et al 2012;Sela et al 2012;Vannorsdall et al 2012;Wirth et al 2011), and executive functioning (including working memory; Andrews et al 2011;Berryhill and Jones 2012;Boggio and Khoury 2009;Boggio et al 2006;Dockery et al 2009;Filmer et al 2013;Fregni et al 2005;Gladwin et al 2012a;Hammer and Mohammadi 2011;Harty et al 2014;Hoy et al 2014;Jo et al 2009;Keshvari et al 2013;Leite et al 2011;Leite et al 2013;Mulquiney and Hoy 2011;Penolazzi et al 2010;Plewnia et al 2013;Saidmanesh et al 2012;Vanderhasselt et al 2013a;Vanderhasselt et al 2013b;Wu et al 2014;Zmigrod et al 2014); for a meta-analysis of the effects of tDCS on working memory, see Brunoni and Vanderhasselt (2014), among others.…”

Section: Introductionmentioning

confidence: 99%

The effect of the interval-between-sessions on prefrontal transcranial direct current stimulation (tDCS) on cognitive outcomes: a systematic review and meta-analysis

et al. 2016

View full text Add to dashboard Cite

Recently, there has been wide interest in the effects of transcranial direct current stimulation (tDCS) of the dorsolateral prefrontal cortex (DLPFC) on cognitive functioning. However, many methodological questions remain unanswered. One of them is whether the time interval between active and sham-controlled stimulation sessions, i.e. the Interval Between Sessions (IBS), influences DLPFC tDCS effects on cognitive functioning.Therefore, a systematic review and meta-analysis was performed of experimental studies published in PubMed, Science Direct, and other databases from the first data available to February 2016. Single session shamcontrolled within-subject studies reporting the effects of tDCS of the DLPFC on cognitive functioning in healthy controls and neuropsychiatric patients were included. Cognitive tasks were categorized in tasks assessing memory, attention, and executive functioning. Evaluation of 188 trials showed that anodal vs. sham tDCS significantly decreased response times and increased accuracy, and specifically for the executive functioning tasks, in a sample of healthy participants and neuropsychiatric patients (although a slightly different pattern of improvement was found in analyses for both samples separately). The effects of cathodal vs. sham tDCS (45 trials), on the other hand, were not significant. IBS ranged from less than one hour to up to one week (i.e. cathodal tDCS) or two weeks (i.e. anodal tDCS). This IBS length had no influence on the estimated effect size when performing a meta-regression of IBS on reaction time and accuracy outcomes in all three cognitive categories, both for anodal and cathodal stimulation. Practical recommendations and limitations of the study are further discussed.

show abstract

Section: Introductionmentioning

confidence: 99%

The effect of the interval-between-sessions on prefrontal transcranial direct current stimulation (tDCS) on cognitive outcomes: a systematic review and meta-analysis

et al. 2016

View full text Add to dashboard Cite

show abstract

“…The findings from Chapter 3 suggest that interference in blocked cyclic naming may have more to do with working memory than lexical level processing mechanisms. The activation of the DLPFC in Experiment 5 supports proposals of working memory involvement in blocked cyclic naming (Belke, 2008) and is consistent with previous experiments targeting the DLPFC (Wirth, et al, 2011) using blocked cyclic naming and tDCS. Hippocampal activation is also consistent with results from fMRI studies of categorically related contexts in blocked cyclic naming Hocking, et al, 2009) and might reflect a common working memory and incremental learning mechanism (Gluck, et al, 2003), per recent proposals (Belke, 2008;Damian & Als, 2005;cf.…”

Section: The Role Of Working Memory In the Semantic Interference Effesupporting

confidence: 89%

“…Of note, previous neuroimaging studies did not target the DLPFC for ROI analysis. Wirth et al (2011) proposed the DLPFC operates as a 'tuning' mechanism for lexical-conceptual representations in the left lateral temporal lobe.…”

Section: Discussionmentioning

confidence: 99%

“…Aside from the hippocampus, all ROIs were defined from the Hammers et al (2003) probabilistic atlas: left middle temporal cortex (identified by Indefrey and Levelt (2004)), LIFG (Belke & Stielow, 2013;Oppenheim, et al, 2010;Schnur, et al, 2009), left parietal cortex (implicated in working memory; Marshuetz, 2005), and DLPFC (Wirth, et al, 2011). The DLPFC ROI was defined by combining the left superior and middle frontal gyri from the Hammers et al…”

Section: Methodsmentioning

confidence: 99%

“…Interestingly, Wirth et al (2011) recently reported transcranial direct current stimulation (tDCS) applied over the left dorsolateral prefrontal cortex reduced the interference effect from the second cycle onwards. The facilitative effect of tDCS over DLPFC on working memory is well-established (see Hoy et al, 2013).…”

Section: Neuroanatomical Regions Implicated In Semantic Interferencementioning

confidence: 99%

See 2 more Smart Citations

The roles of conceptual feature overlap and distinctiveness during lexical access in spoken word production

Vieth¹

View full text Add to dashboard Cite

School of Psychology 2To produce a spoken word we must first retrieve it from memory in a process termed lexical selection. Lexical selection by competition theory proposes that retrieval is a process in which multiple word candidates are activated and compete for selection. While this theory has been prominent for several decades, it has been challenged in recent years by empirical demonstrations of semantic context effects in naming paradigms that are difficult to reconcile with a competitive lexical selection mechanism. These findings have led to novel theoretical accounts being formulated. This dissertation investigates how the structural organization of conceptual information influences spoken word production according to the different theoretical accounts. In simple terms, how are object concepts that we express everyday organized with respect to their constituent features, and how do these features determine semantic context effects in naming paradigms? Using picture-word interference and blocked cyclic paradigms in conjunction with functional neuroimaging, I investigated the potentially different roles that conceptual feature overlap and feature distinctiveness have in influencing semantic context effects in naming. Over three chapters comprising nine experiments, I show recent empirical findings used to challenge the competitive lexical selection account are not replicable. Further, I show that increasing conceptual feature overlap is primarily responsible for slowing naming latencies in semantic contexts. I conclude that a competitive account remains the most viable explanation of lexical selection in speech production. 3 Declaration by authorThis thesis is composed of my original work, and contains no material previously published or written by another person except where due reference has been made in the text. I have clearly stated the contribution by others to jointly-authored works that I have included in my thesis.I have clearly stated the contribution of others to my thesis as a whole, including statistical assistance, survey design, data analysis, significant technical procedures, professional editorial advice, and any other original research work used or reported in my thesis. The content of my thesis is the result of work I have carried out since the commencement of my research higher degree candidature and does not include a substantial part of work that has been submitted to qualify for the award of any other degree or diploma in any university or other tertiary institution. I have clearly stated which parts of my thesis, if any, have been submitted to qualify for another award.I acknowledge that an electronic copy of my thesis must be lodged with the University Library and, subject to the policy and procedures of The University of Queensland, the thesis be made available for research and study in accordance with the Copyright Act 1968 unless a period of embargo has been approved by the Dean of the Graduate School.I acknowledge that copyright of all material contained in my thesis resides w...

show abstract

Direct current stimulation over the anterior temporal areas boosts semantic processing in primary progressive aphasia

Teichmann

Lesoil

Godard

et al. 2016

Annals of Neurology

View full text Add to dashboard Cite

Our findings demonstrate the efficiency of tDCS in sv-PPA by generating highly specific intrasemantic effects. They provide "proof of concept" for future applications of tDCS in therapeutic multiday regimes, potentially driving sustained improvement of semantic processing. Our data also support the hotly debated existence of a left temporal-pole network for verbal semantics selectively modulated through both left-excitatory and right-inhibitory brain stimulation. Ann Neurol 2016;80:693-707.

show abstract

Effects of transcranial direct current stimulation (tDCS) on behaviour and electrophysiology of language production

Cited by 122 publications

References 77 publications

The effect of the interval-between-sessions on prefrontal transcranial direct current stimulation (tDCS) on cognitive outcomes: a systematic review and meta-analysis

The effect of the interval-between-sessions on prefrontal transcranial direct current stimulation (tDCS) on cognitive outcomes: a systematic review and meta-analysis

The roles of conceptual feature overlap and distinctiveness during lexical access in spoken word production

Direct current stimulation over the anterior temporal areas boosts semantic processing in primary progressive aphasia

Contact Info

Product

Resources

About