Stress reactivity speeds basic encoding processes in infants.

Stress reactivity speeds basic encoding processes in infants.
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应激反应加速了婴儿的基本编码过程。

DOI:
10.1002/dev.21399
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发表时间:
2016
影响因子:
2.2
通讯作者:
De Barbaro K
De Barbaro K
中科院分区:
心理学4区
文献类型:
--
作者:
De Barbaro K

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在人类和非人类动物中,急性应激都会削弱额叶功能,增加注意力分散,同时增强皮质下过程(Arnsten[2009]《自然评论神经科学》,10(6):410-422)。然而,迄今为止,尚未对这些关系在发展中人口中的潜在影响进行审查。在这里,我们研究了压力反应(婴儿观看另一个孩子哭泣的视频时的心率反应)与婴儿在观看持续时间和视觉识别记忆方面的表现之间的关系。我们的发现表明,应激反应增强的婴儿表现出更短的眼神持续时间和更多的运动偏好。因此,压力似乎会导致婴儿更快、更容易受到刺激的注意状态。还需要额外的工作来评估刺激响应性的潜在负面后果,如注意力下降或注意力分散。©2016 Wiley期刊,Inc.开发心理学杂志58:546-555,2016。
Acute stress attenuates frontal lobe functioning and increases distractibility while enhancing subcortical processes in both human and nonhuman animals (reviewed by Arnsten [2009] Nature Reviews Neuroscience, 10(6):410–422). To date however these relations have not been examined for their potential effects in developing populations. Here, we examined the relationship between stress reactivity (infants' heart rate response to watching videos of another child crying) and infant performance on measures of looking duration and visual recognition memory. Our findings indicate that infants with increased stress reactivity showedshorterlook durations andmorenovelty preference. Thus, stress appears to lead to a faster, more stimulus‐ready attentional profile in infants. Additional work is required to assess potential negative consequences of stimulus‐responsivity, such as decreased focus or distractibility. © 2016 Wiley Periodicals, Inc. Dev Psychobiol 58: 546–555, 2016.
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DOI: --
发表时间: 1984
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