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1. chinaXiv:202006.00038 [pdf]

正念对亲密关系的影响

陈国典; 杨通平
Subjects: Psychology >> Social Psychology

亲密关系中的正念,是指个体有意识地关注可能影响关系的感觉或想法。由于其有助于提高关系满意度并缓解关系冲突,因而逐渐在理论和应用上受到关注。二元互动过程理论有助于在二元框架下理解正念影响亲密关系的过程和结果,研究者通常采用测量法、实验诱导法和正念干预探究正念对亲密关系的影响。鉴于正念干预对亲密关系具有防护和补救功能,因此被应用于相对幸福、面临挑战和陷入危机等不同关系状态。未来的研究可根据关系的阶段特征和可能的反向作用建构理论;根据亲密关系的二元互动和阶段特点,从多维、动态发展的视角界定概念,通过互评法和观察编码法进行测量;采用更严谨的设计明确干预效果;并且关注潜在的消极影响。

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2. chinaXiv:202007.00002 [pdf]

Neuroanatomical correlates of individual differences in self-awareness of highly practiced visuomotor skills

Junjun LI; Zhenglong Lin; Ran Tao; Min Xu; Shihong Kong; Hong-Yan Bi; Yang Yang
Subjects: Psychology >> Cognitive Psychology

Metacognition refers to the ability to introspect our cognitive ability, which plays an essential role in guiding and optimizing our activities. However, little is known about metacognitive capacity for highly practiced motor behaviors and its neural correlates. Using structural and functional magnetic resonance imaging (MRI), the present study examined the brain substrates underlying individual differences in self-awareness of handwriting in adults, a highly practiced visuomotor skill. Results showed that adult writers generally overestimate their handwriting skill, which is more pronounced in males relative to females. The extent of overestimation of handwriting quality was positively correlated with grey matter volume in the left fusiform gyrus, right middle frontal gyrus and right precuneus. Moreover, the activation of these regions in a handwriting task was not correlation with self-awareness of handwriting, confirming that the identified connection between brain structures and handwriting self-awareness is independent of task performances. The left fusiform gyrus and right middle frontal gyrus are thought to represent domain-specific brain mechanisms for handwriting self-awareness, while the right precuneus is likely to be a domain-general brain mechanism, suggesting that the ability of introspect practiced visuomotor skills relies on both domain-general and domain-specific brain systems. Together, this study is the first to reveal the neuroanatomical correlates of a highly practiced motor behavior, extending our understanding about the neural basis of human metacognition.

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