The Effect of Aging on Face-Name Recognition: An fMRI Study.

Özgül Uslu, Seda Eroğlu, Kaya Oğuz, Damla Işman Haznedaroğlu, Mehmet Can Erata, Yiğit Erdoğan, Öykü Yavuz Kan, Ali Saffet Gönül
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Abstract

Objective: The aim of this study is to detect functional changes in the brain during the memory task with aging and the association between functional changes and memory performance.

Method: The study consisted of Young Adult Group (YAG, n=20) aged 20 to 25 and Late Adult Group (LAG, n=18) aged 60 to 70. Individuals with Montreal Cognitive Assessment (MoCA) scores above 21 and no family history of Alzheimer's Disease were included in the study. Functional Magnetic Resonance Imaging (fMRI) scanning was performed on all participants during a memory task including encoding (face and name), face and name recognition sub-tasks.

Results: Results indicated that LAG showed increased activity during face recognition task in left posterior cingulate cortex, left superior frontal cortex, left fusiform face area and another increased activity was found out during name recognition task in left superior frontal cortex, right prefrontal cortex, left anterior + posterior cingulate cortex. The accuracy of face recognition and name recognition memory tests were significantly lower in LAG (respectively, p=0.026; p=0.001).

Conclusion: These results indicated that advanced age were associated with more widespread activation in brain during memory task. Thus with aging, individuals require more neuronal and cognitive resources during memory processing.

衰老对人脸-姓名识别的影响:fMRI 研究
研究目的本研究旨在检测大脑在记忆任务中随着年龄增长而发生的功能变化,以及功能变化与记忆表现之间的关联:研究对象包括 20 至 25 岁的青年组(YAG,20 人)和 60 至 70 岁的晚年组(LAG,18 人)。研究对象包括蒙特利尔认知评估(MoCA)得分超过 21 分且无阿尔茨海默病家族史的个体。在记忆任务(包括编码(面孔和姓名)、面孔和姓名识别子任务)期间,对所有参与者进行了功能磁共振成像(fMRI)扫描:结果表明,在面孔识别任务中,LAG 在左后扣带回皮层、左上额叶皮层和左纺锤形面区的活动增加;在姓名识别任务中,LAG 在左上额叶皮层、右前额叶皮层、左前扣带回皮层和后扣带回皮层的活动增加。LAG的人脸识别和姓名识别记忆测试的准确率明显较低(分别为P=0.026;P=0.001):这些结果表明,高龄与记忆任务中大脑更广泛的激活有关。因此,随着年龄的增长,个体在记忆处理过程中需要更多的神经元和认知资源。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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