不同脉冲rTMS对老年SCD患者视觉工作记忆影响的研究。

Liu Meng, Ren-Ren Li, Zhang Wei, Janelle Si Yi Yeo, Jia-Xin Yan, XueKeEr BuMaYiLaMu, Tu Zhao-Xi, Li Yun-Xia
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引用次数: 0

摘要

先前的研究表明,rTMS可以改善主观认知衰退(SCD)老年人的视觉工作记忆(VWM)表现。然而,刺激参数对效果的影响尚不清楚。我们关注刺激脉冲的总数,目的是研究不同总脉冲的10hz rTMS是否对SCD受试者的VWM有不同的影响。采用10 Hz rTMS对34名SCD受试者进行脑电和神经心理测试,并对其左背外侧前额叶皮层(DLPFC)施加不同的脉冲。同时使用不同的脑电图技术来研究不同数量的rTMS脉冲的影响。我们的研究发现,增加10 Hz rTMS脉冲数量,增加皮层兴奋性,提高伽马振荡功率,优化注意力资源分配,可以使SCD受试者的VWM得到更大的改善。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Study on Effect of Different Pulses of rTMS on Visual Working Memory in Elderly With SCD.

Previous research has shown that rTMS improves visual working memory (VWM) performance in older people with subjective cognitive decline (SCD). However, the influence of stimulation parameters on the effect is unclear. We focus on the total number of stimulus pulses and aim to investigate whether 10 Hz rTMS with different total pulses could have different effects on VWM in SCD subjects. 10 Hz rTMS with different total pulses targeting the left dorsolateral prefrontal cortex (DLPFC)was applied to 34 SCD subjects who completed both neuropsychological tests and EEG for the VWM task. Different EEG techniques were used simultaneously to investigate the effect of different numbers of rTMS pulses. Our study found that an increased number of 10 Hz rTMS pulses targeting the left DLPFC with increased cortical excitability, higher power of gamma oscillations and optimized allocation of attentional resources can achieve greater improvement in VWM in SCD subjects.

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