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Evaluating the Acute Effect of Stereoscopic Recovery by Dichoptic Stimulation Using Electroencephalogram.
Computational and Mathematical Methods in Medicine ( IF 2.809 ) Pub Date : 2020-04-13 , DOI: 10.1155/2020/9497369
Wei Shi 1 , Luyang He 2 , Bin Lv 2 , Li Li 1 , Tongning Wu 2
Affiliation  

Amblyopia is a common developmental disorder in adolescents and children. Stereoscopic loss is a symptom of amblyopia that can seriously affect the quality of patient’s life. Recent studies have shown that the push-pull perceptual learning protocol had a positive effect on stereoscopic recovery. In this study, we developed a stereoscopic training method using a polarized visualization system according to the push-pull protocol. Dichoptic stimulation for 36 anisometropic and amblyopic subjects and 33 children with normal visual acuity (VA) has been conducted. Electroencephalogram (EEG) was used to evaluate the neurophysiological changes before, during, and after stimulation. For the anisometropic and amblyopic subjects, the statistical analysis demonstrated significant differences () in the beta rhythm at the middle temporal and occipital lobes, while the EEG from the normal VA subjects indicated no significant changes when comparing the results before and after training. We concluded that the dichoptic training in our study can activate the middle temporal visual area and visual cortex. The EEG changes can be used to evaluate the training effects. This study also found that the beta band EEG acquired during visual stimulation at the dorsal visual stream can be potentially used for predicting acute training effect. The results facilitated the optimization of the individual training plan.

中文翻译:

使用脑电图评估通过两极刺激产生的立体视觉恢复的急性效果。

弱视是青少年和儿童中常见的发育障碍。立体镜丧失是弱视的一种症状,会严重影响患者的生活质量。最近的研究表明,推挽知觉学习协议对立体恢复有积极作用。在这项研究中,我们根据推挽协议开发了一种使用极化可视化系统的立体训练方法。已经对36名屈光参差和弱视受试者以及33名视力正常的儿童进行了两肢刺激。脑电图(EEG)用于评估刺激前后,刺激前后的神经生理变化。对于屈光参差和弱视受试者,统计分析表明存在显着差异(在颞中叶和枕叶的β节律中,正常VA受试者的EEG在比较训练前后的结果时没有明显变化。我们得出的结论是,在我们的研究中,两耳式训练可以激活颞中部视觉区域和视觉皮层。脑电图的变化可用于评估训练效果。这项研究还发现,在背部视觉流的视觉刺激过程中获得的β带EEG可潜在地用于预测急性训练效果。结果促进了个体培训计划的优化。
更新日期:2020-04-13
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