Counteracting the Slowdown of Reaction Times in a Vigilance Experiment With 40-Hz Transcranial Alternating Current Stimulation

Löffler, Birte Sofie; Stecher, Heiko I.; Fudickar, Sebastian; Sordi, Dominik de; Otto-Sobotka, Fabian; Hein, Andreas; Herrmann, Christoph S.

doi:10.1109/tnsre.2018.2869471

Cited by 21 publications

(26 citation statements)

References 63 publications

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“…The highest improvements (more than +15%) on monotonous vigilance tasks were reported when video game and transcranial direct current stimulations were used [32,33,49,52]. Haptic stimulation (HPS), modafinil, cognitive work-modulation (CWM), tACS, chewing gum (CG), and caffeine [28,29,35,38,46,164,206] showed an improvements of more than +%10. However, music, binaural beats (BBs), and fragrance produced improvements of equal or less than +10% in the simple monotonous vigilant tasks [41,123,124,125,193].…”

Section: Comprehensive Summarymentioning

confidence: 99%

“…Reports of other unconventional (Unconventional means of enhancement are methods involving deliberately created nootropic drugs, neural implants, brain–computer interface and other new senses.) and more contemporary means of vigilance enhancers have also been reported, such as pharmaceuticals [25]; video games [26,27]; transcranial alternating current stimulation (tACS) and transcranial direct current stimulation (tDCS) [28,29,30,31,32,33]; tactile and rhythmic haptics [34,35,36,37]; integrating new challenges into the primary task [38]; music [39,40]; and binaural auditory beats [41,42]. Resulting studies have reported contradictory findings regarding the efficacy of the aforementioned enhancement techniques, which have hampered the progress of further investigations.…”

Section: Introductionmentioning

confidence: 99%

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Vigilance Decrement and Enhancement Techniques: A Review

Al-Shargie

Tariq

et al. 2019

Brain Sciences

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This paper presents the first comprehensive review on vigilance enhancement using both conventional and unconventional means, and further discusses the resulting contradictory findings. It highlights the key differences observed between the research findings and argues that variations of the experimental protocol could be a significant contributing factor towards such contradictory results. Furthermore, the paper reveals the effectiveness of unconventional means of enhancement in significant reduction of vigilance decrement compared to conventional means. Meanwhile, a discussion on the challenges of enhancement techniques is presented, with several suggested recommendations and alternative strategies to maintain an adequate level of vigilance for the task at hand. Additionally, this review provides evidence in support of the use of unconventional means of enhancement on vigilance studies, regardless of their practical challenges.

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Section: Comprehensive Summarymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Vigilance Decrement and Enhancement Techniques: A Review

Al-Shargie

Tariq

et al. 2019

Brain Sciences

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“…Based on findings of interrelations between theta and alpha activity, tACS applied in the theta range might also improve regulation of sensorimotor alpha power. In a recent tACS study on cognitive fatigue in healthy subjects, Loeffler et al [98] applied tACS in the gamma range during a vigilance task with the aim to decrease inhibitory alpha power over task-relevant cortical regions via cross-frequency interactions. Results showed that gamma tACS counteracted the reaction time increase with time-on-task, yet, effects on occipital alpha power remained speculative due to missing EEG recordings.…”

Section: Therapeutic Potential Of Tes For Cognitive Fatiguementioning

confidence: 99%

Cognitive Fatigue in Multiple Sclerosis: An Objective Approach to Diagnosis and Treatment by Transcranial Electrical Stimulation

et al. 2019

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Cognitive fatigue is one of the most frequent symptoms in multiple sclerosis (MS), associated with significant impairment in daily functioning and quality of life. Despite its clinical significance, progress in understanding and treating fatigue is still limited. This limitation is already caused by an inconsistent and heterogeneous terminology and assessment of fatigue. In this review, we integrate previous literature on fatigue and propose a unified schema aiming to clarify the fatigue taxonomy. With special focus on cognitive fatigue, we survey the significance of objective behavioral and electrophysiological fatigue parameters and discuss the controversial literature on the relationship between subjective and objective fatigue assessment. As MS-related cognitive fatigue drastically affects quality of life, the development of efficient therapeutic approaches for overcoming cognitive fatigue is of high clinical relevance. In this regard, the reliable and valid assessment of the individual fatigue level by objective parameters is essential for systematic treatment evaluation and optimization. Transcranial electrical stimulation (tES) may offer a unique opportunity to manipulate maladaptive neural activity underlying MS fatigue. Therefore, we discuss evidence for the therapeutic potential of tES on cognitive fatigue in people with MS.

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“…They found that tDCS (vs. sham) induced sustained performance on two vigilance tasks (a psychomotor vigilance task and the Mackworth clock task), in the form of accuracy and response times. Using tACS, studies are equivocal: one showed no reliable effect of alpha-band tACS targeting posterior brain areas on visual vigilance performance (Kasten et al, 2016), and another showed a reduced vigilance decrement with gamma-band tACS over the visual cortex (Loffler et al, 2018). Using tRNS, one study showed that tRNS reduced reaction times during sustained vigilance on a continuous performance task (Mauri et al, 2015).…”

Section: Tes and Applied Tasksmentioning

confidence: 99%

Modulating Applied Task Performance via Transcranial Electrical Stimulation

Brunyé

Hussey

Fontes

et al. 2019

Front. Hum. Neurosci.

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Basic and applied research are increasingly adopting transcranial electrical stimulation (tES) for modulating perceptual, cognitive, affective, and motor processes. Industry and defense applications of tES hold potential for accelerating training and knowledge acquisition and sustaining work-related performance in the face of fatigue, workload, and stress. This mini-review article describes the promises and perils of tES, and reviews research testing its influence on two broad applied areas: sustaining and dividing attention, and operating in virtual environments. Also included is a discussion of challenges related to viable mechanistic explanations for tES effectiveness, attempts at replication and consideration of null results, and the potential importance of individual differences in predicting tES influences on human performance. Finally, future research directions are proposed to address these challenges and help develop a fuller understanding of tES viability for enhancing real-world performance.

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Counteracting the Slowdown of Reaction Times in a Vigilance Experiment With 40-Hz Transcranial Alternating Current Stimulation

Cited by 21 publications

References 63 publications

Vigilance Decrement and Enhancement Techniques: A Review

Vigilance Decrement and Enhancement Techniques: A Review

Cognitive Fatigue in Multiple Sclerosis: An Objective Approach to Diagnosis and Treatment by Transcranial Electrical Stimulation

Modulating Applied Task Performance via Transcranial Electrical Stimulation

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