Sensori-motor neurofeedback improves inhibitory control and induces neural changes: a placebo-controlled, double-blind, event-related potentials study

IF 5.3 1区心理学 Q1 PSYCHOLOGY, CLINICAL International Journal of Clinical and Health Psychology Pub Date : 2024-07-01 DOI:10.1016/j.ijchp.2024.100501

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Abstract

Background/Objective

Inhibition is crucial for controlling behavior and is impaired in various psychopathologies. Neurofeedback holds promise in addressing cognitive deficits, and experimental research is essential for identifying its functional benefits. This study aimed to investigate whether boosting sensorimotor activity (SMR) improves inhibitory control in a final sample of healthy individuals (N = 53), while exploring the underlying neurophysiological mechanism.

Method

Participants were randomly divided into two groups: one receiving SMR neurofeedback training to enhance sensorimotor activity within the 12–15 Hz frequency range, and the other receiving sham feedback. Inhibition performance and neural correlates were evaluated with a Go-NoGo task before (T0) and after (T1) 10 neurofeedback sessions using event-related potentials. Data were analyzed via ANOVAs and regression analyses.

Results

Compared to placebo, the active group demonstrated higher absolute SMR power (p = 0.040) and improvements in inhibitory control, including faster response times and fewer inhibition errors (p < 0.001, d = 6.06), associated with a larger NoGoP3d amplitude (p < 0.001, d = 3.35). A positive correlation between the increase in SMR power and the rise in NoGoP3d amplitude (β=0.46, p = 0.015) explains 21 % of the observed variance.

Conclusions

Uptraining SMR power is linked to heightened utilization of neural resources for executing optimal inhibition responses. These results uphold its effectiveness in cognitive rehabilitation.

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背景/目的抑制是控制行为的关键，在各种精神病症中都会受到损害。神经反馈有望解决认知缺陷问题，而实验研究对于确定其功能性益处至关重要。本研究旨在调查增强感觉运动活动（SMR）是否能改善最终样本健康人（N = 53）的抑制控制能力，同时探索其潜在的神经生理机制。方法将参与者随机分为两组：一组接受 SMR 神经反馈训练以增强 12-15 Hz 频率范围内的感觉运动活动，另一组接受假反馈。在 10 次神经反馈训练之前（T0）和之后（T1），使用事件相关电位对抑制性能和神经相关性进行评估。结果与安慰剂相比，主动组显示出更高的绝对 SMR 功率（p = 0.040）和抑制控制的改善，包括更快的反应时间和更少的抑制错误（p < 0.001，d = 6.06），与更大的 NoGoP3d 振幅（p < 0.001，d = 3.35）相关。SMR功率的增加与NoGoP3d振幅的增加之间的正相关（β=0.46，p=0.015）解释了21%的观察变异。这些结果支持了其在认知康复中的有效性。

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来源期刊

International Journal of Clinical and Health Psychology PSYCHOLOGY, CLINICAL-

CiteScore

10.70

自引率

5.70%

发文量

审稿时长

33 days

期刊介绍： The International Journal of Clinical and Health Psychology is dedicated to publishing manuscripts with a strong emphasis on both basic and applied research, encompassing experimental, clinical, and theoretical contributions that advance the fields of Clinical and Health Psychology. With a focus on four core domains—clinical psychology and psychotherapy, psychopathology, health psychology, and clinical neurosciences—the IJCHP seeks to provide a comprehensive platform for scholarly discourse and innovation. The journal accepts Original Articles (empirical studies) and Review Articles. Manuscripts submitted to IJCHP should be original and not previously published or under consideration elsewhere. All signing authors must unanimously agree on the submitted version of the manuscript. By submitting their work, authors agree to transfer their copyrights to the Journal for the duration of the editorial process.