手指抬起任务中干扰控制的年龄相关差异:fMRI 研究。

IF 3.9 2区 医学 Q2 NEUROSCIENCES
Federica Riva, Ekaterina Pronizius, Melanie Lenger, Martin Kronbichler, Giorgia Silani, Claus Lamm
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引用次数: 0

摘要

人类倾向于自动模仿他人及其行为,同时也能够控制这种模仿倾向。干扰控制是抑制自身模仿倾向的必要条件,它在儿童和青少年时期发展迅速,成年后趋于稳定,并随着年龄的增长而缓慢衰退。不过,在整个生命周期中,这些差异是由哪些神经过程造成的,还有待进一步研究。在一项针对三个年龄组(青少年(ADs)14-17 岁,青年(YAs)21-31 岁,老年人(OAs)56-76 岁,N = 91 名健康女性参与者)的横断面功能磁共振成像研究中,我们使用抬手指任务调查了自动模仿背景下干扰控制的行为和神经相关性。尽管老年人的反应时间更长,但他们的干扰控制能力最强,而青年人和老年人之间并无明显差异。在神经水平上,所有年龄组都显示出右侧颞顶叶交界处、右侧边际上回和双侧岛叶的参与,这与之前使用该任务的研究结果非常吻合。然而,我们的分析并未发现大脑激活与年龄有关的任何差异,无论是在这些区域还是在其他区域。这表明,注意力缺失症患者可能会更有效地利用参与的大脑网络,而另一方面,注意力缺失症患者的干扰控制能力和相关的大脑功能可能在很大程度上得到了保留。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Age-related differences in interference control in the context of a finger-lifting task: an fMRI study.

Age-related differences in interference control in the context of a finger-lifting task: an fMRI study.

Age-related differences in interference control in the context of a finger-lifting task: an fMRI study.

Age-related differences in interference control in the context of a finger-lifting task: an fMRI study.

Humans tend to automatically imitate others and their actions while also being able to control such imitative tendencies. Interference control, necessary to suppress own imitative tendencies, develops rapidly in childhood and adolescence, plateaus in adulthood and slowly declines with advancing age. It remains to be shown though which neural processes underpin these differences across the lifespan. In a cross-sectional functional magnetic resonance imaging study with three age groups (adolescents (ADs) 14-17 years, young adults (YAs) 21-31, older adults (OAs) 56-76, N = 91 healthy female participants), we investigated the behavioral and neural correlates of interference control in the context of automatic imitation using the finger-lifting task. ADs showed the most efficient interference control, while no significant differences emerged between YAs and OAs, despite OAs showing longer reaction times. On the neural level, all age groups showed engagement of the right temporoparietal junction, right supramarginal gyrus and bilateral insula, aligning well with studies previously using this task. However, our analyses did not reveal any age-related differences in brain activation, neither in these nor in other areas. This suggests that ADs might have a more efficient use of the engaged brain networks and, on the other hand, OAs' capacity for interference control and the associated brain functions might be largely preserved.

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来源期刊
CiteScore
6.80
自引率
4.80%
发文量
62
审稿时长
4-8 weeks
期刊介绍: SCAN will consider research that uses neuroimaging (fMRI, MRI, PET, EEG, MEG), neuropsychological patient studies, animal lesion studies, single-cell recording, pharmacological perturbation, and transcranial magnetic stimulation. SCAN will also consider submissions that examine the mediational role of neural processes in linking social phenomena to physiological, neuroendocrine, immunological, developmental, and genetic processes. Additionally, SCAN will publish papers that address issues of mental and physical health as they relate to social and affective processes (e.g., autism, anxiety disorders, depression, stress, effects of child rearing) as long as cognitive neuroscience methods are used.
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