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内感受作为独立的心脏、热感觉、痛觉和情感触觉感知子模式。

Interoception as independent cardiac, thermosensory, nociceptive, and affective touch perceptual submodalities.

机构信息

Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden.

Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden.

出版信息

Biol Psychol. 2022 Jul;172:108355. doi: 10.1016/j.biopsycho.2022.108355. Epub 2022 May 19.

Abstract

Interoception includes signals from inner organs and thin afferents in the skin, providing information about the body's physiological state. However, the functional relationships between interoceptive submodalities are unclear, and thermosensation as skin-based interoception has rarely been considered. We used five tasks to examine the relationships among cardiac awareness, thermosensation, affective touch, and nociception. Thermosensation was probed with a classic temperature detection task and the new dynamic thermal matching task, where participants matched perceived moving thermal stimuli in a range of colder/warmer stimuli around thermoneutrality. We also examined differences between hairy and non-hairy skin and found superior perception of dynamic temperature and static cooling on hairy skin. Notably, no significant correlations were observed across interoceptive submodality accuracies (except for cold and pain perception in the palm), which indicates that interoception at perceptual levels should be conceptualised as a set of relatively independent processes and abilities rather than a single construct.

摘要

内感受包括来自内脏器官和皮肤细传入纤维的信号,提供有关身体生理状态的信息。然而,内感受亚模式之间的功能关系尚不清楚,并且基于皮肤的热感觉很少被认为是内感受。我们使用了五个任务来研究心脏意识、热感觉、情感触觉和痛觉之间的关系。热感觉是通过经典的温度检测任务和新的动态热匹配任务来探测的,参与者在接近体温的更冷/更温暖的一系列刺激中匹配感知到的移动热刺激。我们还检查了有毛和无毛皮肤之间的差异,发现有毛皮肤对动态温度和静态冷却的感知更好。值得注意的是,在各种内感受亚模式准确性之间没有观察到显著相关性(手掌的冷觉和痛觉除外),这表明在感知水平上的内感受应该被概念化为一组相对独立的过程和能力,而不是单一的结构。

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