Combining tDCS and Working Memory Training to Down Regulate State Rumination: A Single-Session Double Blind Sham-Controlled Trial

Putter, Laura M.S. De; Vanderhasselt, Marie‐Anne; Baeken, Chris; Raedt, Rudi De; Koster, Ernst H. W.

doi:10.1007/s10608-015-9710-8

Cited by 21 publications

(13 citation statements)

References 47 publications

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“…Previous studies have reported evidence that working memory improvements are correlated with the administration of tDCS in diverse contexts (Grafman et al, 1994 ; Nitsche et al, 2003 ; Dockery et al, 2009 ; McKendrick et al, 2015 ). Specifically, tDCS over DLPFC was associated with acute increases in working memory accuracy (Stagg and Johansen-Berg, 2013 ; Chhatbar and Feng, 2015 ; De Putter et al, 2015 ; Santarnecchi et al, 2015 ). Although, we observed a reduction in learning rate variance from tDCS to the right DLPFC in the n-back task, but did not find an increase in working memory accuracy for tDCS of either the DLPFC or M1.…”

Section: Discussionmentioning

confidence: 99%

Transcranial Direct Current Stimulation Modulates Neuronal Activity and Learning in Pilot Training

Choe

Coffman

Bergstedt

et al. 2016

Front. Hum. Neurosci.

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Skill acquisition requires distributed learning both within (online) and across (offline) days to consolidate experiences into newly learned abilities. In particular, piloting an aircraft requires skills developed from extensive training and practice. Here, we tested the hypothesis that transcranial direct current stimulation (tDCS) can modulate neuronal function to improve skill learning and performance during flight simulator training of aircraft landing procedures. Thirty-two right-handed participants consented to participate in four consecutive daily sessions of flight simulation training and received sham or anodal high-definition-tDCS to the right dorsolateral prefrontal cortex (DLPFC) or left motor cortex (M1) in a randomized, double-blind experiment. Continuous electroencephalography (EEG) and functional near infrared spectroscopy (fNIRS) were collected during flight simulation, n-back working memory, and resting-state assessments. tDCS of the right DLPFC increased midline-frontal theta-band activity in flight and n-back working memory training, confirming tDCS-related modulation of brain processes involved in executive function. This modulation corresponded to a significantly different online and offline learning rates for working memory accuracy and decreased inter-subject behavioral variability in flight and n-back tasks in the DLPFC stimulation group. Additionally, tDCS of left M1 increased parietal alpha power during flight tasks and tDCS to the right DLPFC increased midline frontal theta-band power during n-back and flight tasks. These results demonstrate a modulation of group variance in skill acquisition through an increasing in learned skill consistency in cognitive and real-world tasks with tDCS. Further, tDCS performance improvements corresponded to changes in electrophysiological and blood-oxygenation activity of the DLPFC and motor cortices, providing a stronger link between modulated neuronal function and behavior.

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Section: Discussionmentioning

confidence: 99%

Transcranial Direct Current Stimulation Modulates Neuronal Activity and Learning in Pilot Training

Choe

Coffman

Bergstedt

et al. 2016

Front. Hum. Neurosci.

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“…For WM training, we used an adaptive n-back paradigm 3 , 70 – 72 . Stimuli were presented using the open-source software Brain Workshop v4.8.4 73 and PsychoPy2 v1.80.04 74 .…”

Section: Methodsmentioning

confidence: 99%

Augmentation of working memory training by transcranial direct current stimulation (tDCS)

Ruf

Fallgatter

Plewnia

2017

Sci Rep

140

106

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Transcranial direct current stimulation (tDCS) to the dorsolateral prefrontal cortex (dlPFC) can modulate working memory (WM) performance. However, evidence regarding the enhancement of WM training, its sustainability and transferability is ambiguous. Since WM functioning appears to be lateralized in respect to stimulus characteristics, this study examined the difference between task-congruent (spatial-right, verbal-left), task-incongruent (spatial-left, verbal-right) and sham tDCS in regards to the efficacy of WM training. In a randomized, sham-controlled experiment, 71 healthy adults trained on a spatial or verbal adaptive n-back task. After a baseline session, anodal or sham tDCS (1 mA) to the right or left dlPFC was applied during the next three training sessions. Sustainability of training gains and near-transfer (verbal or spatial 3-back task) were tested in a fourth training and a follow-up session. Compared to sham stimulation, we found a steeper learning curve when WM training was combined with task-congruent tDCS. This advantage was also present compared to task-incongruent tDCS. Moreover, these effects lasted for up to nine months and transferred to the respective untrained task. These long-lasting, transferable, task-specific effects demonstrate a behaviorally relevant and sustainable facilitation of neuroplastic processes by tDCS that could be harnessed for the treatment of disorders associated with deficient WM.

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“… Klingberg (2010) has indicated that the working memory capacity of individuals is not constant and can be improved by training. Given the foundation role of working memory for various advanced cognitive functions ( von Bastian and Oberauer, 2014 ), the benefits of training are not only limited to the memory capacity itself but can be transfer to distant fields such as fluid intelligence ( Au et al, 2015 , Jaeggi et al, 2008 ) and more relevant to our concern, emotional fields, such as facilitating emotional execution ( Schweizer et al, 2011 , Schweizer et al, 2013 ); improving affective processing ( Li et al, 2016 ), enhancing self-regulation ( De Putter et al, 2015 , Xiu et al, 2016 , Xiu et al, 2018 ), and promoting mood states ( Pan et al, 2018 , Takeuchi et al, 2014 ). Particularly, a few studies have dealt with the effects of working memory training on rumination ( Onraedt et al, 2014 , Wanmaker et al, 2015 ), but failed to find positive effects of working memory training on self-reported rumination level.…”

Section: Introductionmentioning

confidence: 99%

Emotional working memory training reduces rumination and alters the EEG microstate in anxious individuals

Pan

Hoid

et al. 2020

NeuroImage: Clinical

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Rumination is an important etiological factor of anxiety pathology, with its mechanism related to the deficit of working memory. The current study examined whether working memory training (WM-T) and emotional working memory training (EWM-T) could reduce rumination in anxious individuals. The participants with high trait anxiety underwent 21 days of mobile applications-based WM-T (n = 34), EWM-T (n = 36) or placebo control (n = 36), with questionnaires, cognitive tasks, and resting electroencephalogram (EEG) as the pre-post-test indicators. The results revealed that two training groups obtained comparable operation span increases (WM-T: d = 0.53; EWM-T: d = 0.65), updating improvement (WM-T: d = 0.43; EWM-T: d = 0.60) and shifting improvement (WM-T: d = 0.49; EWM-T: d = 0.72). Furthermore, compared to the control group, the EWM-T showed significant self-reported rumination reduction ( d = 0.69), increased inhibition ability ( d = 0.72), as well as modification of resting EEG microstate C parameters (Duration C: d = 0.42, Coverage C: d = 0.39), which were closely related to rumination level ( r ~ 0.4). The WM-T group also showed the potential to reduced self-reported rumination ( d = 0.45), but with the absence of the observable inhibition improvement and resting EEG changes. The correlation analysis suggested that the emotional benefits of WM-T depending more on improved updating and shifting, and that of EWM-T depending more on improved inhibition ability. The advantage to add emotional distractions into general working memory training for targeting rumination related anxiety has been discussed.

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Combining tDCS and Working Memory Training to Down Regulate State Rumination: A Single-Session Double Blind Sham-Controlled Trial

Cited by 21 publications

References 47 publications

Transcranial Direct Current Stimulation Modulates Neuronal Activity and Learning in Pilot Training

Transcranial Direct Current Stimulation Modulates Neuronal Activity and Learning in Pilot Training

Augmentation of working memory training by transcranial direct current stimulation (tDCS)

Emotional working memory training reduces rumination and alters the EEG microstate in anxious individuals

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