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首页> 外文期刊>Journal of Neurotherapy >Alpha Suppression and Symmetry Training for Generalized Anxiety Symptoms
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Alpha Suppression and Symmetry Training for Generalized Anxiety Symptoms

机译：广泛性焦虑症状的Alpha抑制和对称训练

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Introduction. Twenty-eight anxious adults were assessed for frontal lobe alpha asymmetry, a brain state associated with depression and anxiety. Fifteen of the 28 exhibited significant asymmetry and 12 agreed to participate in a biofeedback program addressed at reducing frontal alpha asymmetry. Method. The program consisted of earlobe temperature biofeedback (ETB) and two forms of neurofeedback, alpha suppression and alpha symmetry training. Individuals were instructed to warm their right earlobe for six sessions, and half succeeded, though success was not required to advance to the next stage of training. For subsequent EEG training, two anterior sites were selected on the basis of poor alpha coherence. Individuals were trained to reduce alpha magnitude at these sites by 10% for 30 min or more, which took from 6 to 16 sessions to achieve. Once successful with alpha suppression, individuals were trained to improve alpha symmetry between the sites by 15% for 30 min or more. Results. This feat took 8 to 32 sessions to achieve, and eventually all eight individuals were able to reduce alpha asymmetry. The State-Trait Anxiety Inventory (STAI) was used to measured anxiety levels after each training type and both state and trait scores significantly improved by a 6-month follow-up. Conclusion. Participants also completed a daily shortened version of the STAI, which indicated that anxiety improved after neurofeedback but not after ETB.
机译：介绍。评估了28名焦虑的成年人的额叶α不对称性，即与抑郁和焦虑相关的脑部状态。 28位中的15位表现出明显的不对称性，12位同意参加针对减少额叶α不对称性的生物反馈计划。方法。该程序包括耳垂温度生物反馈（ETB）和两种神经反馈形式，即alpha抑制和alpha对称训练。个体被指示加热他们的右耳垂六次，但成功的一半成功了，尽管并不需要成功地进入下一阶段的训练。对于随后的脑电图训练，根据较差的阿尔法连贯性选择了两个前位。训练了个体，使这些部位的α强度降低10％，持续30分钟或更长时间，这需要6到16个疗程才能达到。一旦成功地抑制了α，则对个体进行了30分钟或更长时间的训练，以使位点之间的α对称性提高15％。结果。这项壮举花了8到32堂才能达到，最终所有八个人都能够减少alpha不对称。使用状态特质焦虑量表（STAI）来测量每种训练类型后的焦虑水平，并且状态和特质得分在6个月的随访中均得到了显着改善。结论。参与者还完成了每日缩短版本的STAI，这表明神经反馈后焦虑有所改善，但在ETB后并未改善。

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