Improving episodic memory: Frontal-midline theta neurofeedback training increases source memory performance

Eschmann, Kathrin C. J.; Bader, Regine; Mecklinger, Axel

doi:10.1016/j.neuroimage.2020.117219

Cited by 31 publications

(80 citation statements)

References 63 publications

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“…24 Theta/low-beta protocols can effectively improve episodic memory but low-beta/theta NFB protocols can not be seen the same trend 12 . The results of the theta/low-beta PSD and theta PSD did not increase over the course of the second stage linearly, similar to previously-reported ndings that the brain activities increase unstable during training 10,11,25,26,27 . We assumed that synaptic consolidation is likely to occur in NFB training, and gaps of several days during training sessions affect neuronal changes 28 .…”

Section: Discussionsupporting

confidence: 91%

“…To our knowledge, there are no previous reports of the use of NFB training to improve semantic memory, though several studies have reported improvement of episodic memory after NFB training 10,11,12 . In this study, we found that both episodic and semantic memory were improved by the theta/low-beta NFB training protocol we designed.…”

Section: Discussionmentioning

confidence: 93%

“…Previous studies have reported that participants can modulate and increase the EEG band power via NFB training, resulting in improved m emory 9 . In particular, episodic memory, or the retrieval of encoded information in a short time, was markedly improved after NFB training 10 . However, the effects of NFB training on long-term memory are not wellunderstood as most studies regarding episodic memory include short timeliness 11,12 and do not report the forgetting rate.…”

Section: Introductionmentioning

confidence: 99%

“…NFB training for the enhancement of episodic memory using the sensory-motor rhythm band, upper alpha band 8 , or alpha band acitiviy 11 has been reported. Recent studies found that theta NFB training can effectively improve episodic memory 10 .…”

Section: Introductionmentioning

confidence: 99%

“…To investigate the effect of NFB training on episodic and semantic memory in a long time frame, the consolidation of memory was measured. Frontal midline theta bands have been associated with encoding and retrieving episodic memory 19 and can improve 10 and consolidate episodic memory. The frontal midline theta waves, like the hippocampal theta waves, play a role in the processing of memory 20,21 .…”

Section: Introductionmentioning

confidence: 99%

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Neurofeedback Training Improves Long-Term Memory Performance

Tseng¹,

Tamura²,

Okamoto³

2021

Preprint

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Understanding and improving memory is vital to enhance human life. Theta rhythm is associated with memory consolidation and coding, but the trainability and effects on long-term memory of theta rhythm are unknown. This study investigates the ability to improve long-term memory using a neurofeedback (NFB) technique reflecting the theta/low-beta power ratio on an electroencephalogram (EEG). Our study consisted of three stages: First, the long-term memory of participants was measured. In the second stage, the participants in the NFB group received three days of theta/low-beta NFB training. In the third stage, the long-term memory was measured again. The NFB group had better long-term memory than the control group and significant differences in brain activity between episodic and semantic memory during the recall tests were revealed. These findings suggest that it is possible to improve the long-term memory abilities through theta/low-beta NFB training, which also improves episodic and semantic memory.

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Section: Discussionsupporting

confidence: 91%

Section: Discussionmentioning

confidence: 93%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Neurofeedback Training Improves Long-Term Memory Performance

Tseng¹,

Tamura²,

Okamoto³

2021

Preprint

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Intracranial Neurofeedback Modulating Neural Activity in the Mesial Temporal Lobe During Memory Encoding: A Pilot Study

Koizumi

Kunii

Ueda

et al. 2023

Appl Psychophysiol Biofeedback

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Removal of the mesial temporal lobe (MTL) is an established surgical procedure that leads to seizure freedom in patients with intractable MTL epilepsy; however, it carries the potential risk of memory damage. Neurofeedback (NF), which regulates brain function by converting brain activity into perceptible information and providing feedback, has attracted considerable attention in recent years for its potential as a novel complementary treatment for many neurological disorders. However, no research has attempted to artificially reorganize memory functions by applying NF before resective surgery to preserve memory functions. Thus, this study aimed (1) to construct a memory NF system that used intracranial electrodes to feedback neural activity on the language-dominant side of the MTL during memory encoding and (2) to verify whether neural activity and memory function in the MTL change with NF training. Two intractable epilepsy patients with implanted intracranial electrodes underwent at least five sessions of memory NF training to increase the theta power in the MTL. There was an increase in theta power and a decrease in fast beta and gamma powers in one of the patients in the late stage of memory NF sessions. NF signals were not correlated with memory function. Despite its limitations as a pilot study, to our best knowledge, this study is the first to report that intracranial NF may modulate neural activity in the MTL, which is involved in memory encoding. The findings provide important insights into the future development of NF systems for the artificial reorganization of memory functions.

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Theta Neurofeedback Training Supports Motor Performance and Flow Experience

2021

Self Cite

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Flow is defined as a cognitive state that is associated with a feeling of automatic and effortless control, enabling peak performance in highly challenging situations. In sports, flow can be enhanced by mindfulness training, which has been associated with frontal theta activity (4-8 Hz). Moreover, frontal-midline theta oscillations were shown to subserve control processes in a large variety of cognitive tasks. Based on previous theta neurofeedback training studies, which revealed that one training session is sufficient to enhance motor performance, the present study investigated whether one 30-minute session of frontal-midline theta neurofeedback training (1) enhances flow experience additionally to motor performance in a finger tapping task, and (2) transfers to cognitive control processes in an n-back task. Participants, who were able to successfully upregulate their theta activity during neurofeedback training (responders), showed better motor performance and flow experience after training than participants, who did not enhance their theta activity (non-responders). Across all participants, increase of theta activity during training was associated with motor performance enhancement from pretest to posttest irrespective of pre-training performance. Interestingly, theta training gains were also linked to the increase of flow experience, even when corresponding increases in motor performance were controlled for. Results for the n-back task were not significant. Even though these findings are mainly correlational in nature and additional flow-promoting influences need to be investigated, the present findings suggest that frontal-midline theta neurofeedback training is a promising tool to support flow experience with additional relevance for performance enhancement.

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Improving episodic memory: Frontal-midline theta neurofeedback training increases source memory performance

Cited by 31 publications

References 63 publications

Neurofeedback Training Improves Long-Term Memory Performance

Neurofeedback Training Improves Long-Term Memory Performance

Intracranial Neurofeedback Modulating Neural Activity in the Mesial Temporal Lobe During Memory Encoding: A Pilot Study

Theta Neurofeedback Training Supports Motor Performance and Flow Experience

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