老年人对情绪刺激的反应较差吗?基于脑电图的愉快、不愉快和中性希腊词研究

Ioanna Tepelena, C. Frantzidis, Vasiliki Salvari, L. Hadjileontiadis, P. Bamidis
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引用次数: 0

摘要

大量研究表明,随着年龄的增长,工作记忆、处理速度和流体智力都会下降。然而,即使情绪处理随着年龄的增长而改变,情绪处理仍然相对稳定。神经生理学研究利用情绪刺激通过事件相关电位(ERPs)来研究年龄差异。目前的方法使用来自希腊语言的情感视觉单词刺激。健康的青年和老年志愿者被动地观看刺激,刺激分为愉快、不愉快和中性。研究表明,与中性刺激相比,情绪刺激的处理在时间分辨率(潜伏期)和神经元集合的激活(振幅)方面存在差异。年龄因素通过复杂的模式与情绪维度相互作用,同时也存在侧性差异。我们的研究结果表明,在衰老过程中,通过功能补偿,情绪刺激的处理方式存在差异。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Are Elderly Less Responsive to Emotional Stimuli? An EEG-based Study across Pleasant, Unpleasant and Neutral Greek Words
A plethora of studies has shown that working memory, processing speed and fluid intelligence are diminished with aging. However, emotional processing remains relatively stable even though emotional processing alters through aging. Neurophysiological studies have employed emotional stimuli to investigate age differences through Event Related Potentials (ERPs). The present approach used affective visual word stimuli derived from the Greek language. Healthy young and elderly volunteers passively viewed the stimuli which were divided into pleasant, unpleasant and neutral. The study shows differential processing of emotional stimuli in comparison to the neutral in terms of temporal resolution (latency) and activation of neuronal assembles (amplitude). The age factor interacts with emotional dimension through a complex pattern while laterality differences also occur. Our results suggest a difference in the way emotional stimuli are processed during aging through functional compensation.
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