Theta Rhythm-Based Attention Switch Training Effectively Modified Negative Attentional Bias

IF 4.8 1区 医学 Q1 NEUROSCIENCES
Guo Li, Xueli Cai, Yifeng Wang
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Abstract

Background

Attentional bias modification training (ABMT) is commonly employed to regulate negative attentional bias (NAB) and, in turn, to prevent or alleviate depressive symptoms. Recent advancements in attention switch theory have facilitated the development of a novel training paradigm that may enhance the efficacy of such interventions.

Methods

A total of fifty-seven college students were assigned to two groups: one exhibiting NAB and the other without. Both groups underwent training with a novel paradigm integrating theta rhythm with the traditional dot-probe task (DPT). The DPT was also administered as a pre- and post-test measure.

Results

For individuals with NAB, rhythmic DPT effectively alleviates their NAB. Additionally, within the training procedure's DPT, flashing negative stimuli elicits faster responses when the probe appears at the positive stimulus' location. Baseline attention scores can negatively predict changes in subsequent corresponding attentional performance.

Conclusions

This study presents a novel training paradigm—the theta rhythm-based DPT—that effectively modifies NAB. The mechanism underlying this intervention may be driven by positive salient stimuli at the critical trough, facilitating the switch of attention from negative to positive stimuli.

Abstract Image

基于Theta节奏的注意转换训练有效修正负性注意偏差。
背景:注意偏倚矫正训练(ABMT)通常用于调节负性注意偏倚(NAB),进而预防或减轻抑郁症状。注意转换理论的最新进展促进了一种新的训练模式的发展,这种模式可能会提高这种干预措施的效力。方法:将57名大学生分为两组,一组有NAB,另一组没有NAB。两组都接受了将θ节奏与传统点探测任务(DPT)相结合的新范式训练。DPT也被作为测试前和测试后的测量。结果:对于NAB患者,节律性DPT能有效缓解NAB。此外,在训练过程的DPT中,当探针出现在积极刺激的位置时,闪烁的消极刺激会引起更快的反应。基线注意力得分负向预测后续相应注意力表现的变化。结论:本研究提出了一种新的训练模式-基于θ节奏的dpt -有效地改变NAB。这种干预的机制可能是由临界低谷的积极显著刺激驱动,促进了注意力从消极刺激到积极刺激的转换。
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来源期刊
CNS Neuroscience & Therapeutics
CNS Neuroscience & Therapeutics 医学-神经科学
CiteScore
7.30
自引率
12.70%
发文量
240
审稿时长
2 months
期刊介绍: CNS Neuroscience & Therapeutics provides a medium for rapid publication of original clinical, experimental, and translational research papers, timely reviews and reports of novel findings of therapeutic relevance to the central nervous system, as well as papers related to clinical pharmacology, drug development and novel methodologies for drug evaluation. The journal focuses on neurological and psychiatric diseases such as stroke, Parkinson’s disease, Alzheimer’s disease, depression, schizophrenia, epilepsy, and drug abuse.
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