The Interoceptive Brain: Confidence Ratings and Accuracy Scores are Independently and Differently Associated With Task-Related Alpha Power During the Heartbeat Tracking Task.

IF 2.9 2区 心理学 Q2 NEUROSCIENCES
Christian Rominger, Andreas Fink, Corinna M Perchtold-Stefan, Laurenz Schlögl, Andreas R Schwerdtfeger
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引用次数: 0

Abstract

Cardiac interoception is important for health and can be assessed in terms of accuracy (IAcc) and sensibility (IS), at least. While IAcc measures the correspondence between recorded and perceived heartbeats, IS means the confidence in interoceptive perceptions during the task. The present study investigated if brain activity during the heartbeat tracking task is associated with IAcc as well as IS. Specifically, we were interested if task-related power (TRP) in the alpha band (8-12 Hz), known to indicate task-specific cognitive functions such as semantic, attentional, and sensory processes, is associated with IAcc and IS, respectively. In a sample of 30 participants, we found relatively higher TRP in the alpha band over left temporal and parietal areas (vs. right) during the interoception task. Furthermore, we observed a negative association between TRP in the alpha band and IS. Lower TRP in the alpha band might indicate that more pronounced cognitive and sensory processes are linked to higher IS. Furthermore, we found a positive effect for IAcc (independent from IS), which might indicate that more internal attention during the interoception task is beneficial for IAcc. We further discuss the findings in the context of methodological issues of the heartbeat tracking task. Taken together, the pattern of findings favors the investigation of task-related IS (i.e., confidence ratings) in combination with IAcc to gain a better access to interoceptive processes and to improve our understanding of the neural underpinnings of (cardiac) interoception.

内感受性大脑:在心跳追踪任务中,信心评级和准确性得分与任务相关的阿尔法能量独立且不同地相关。
心脏内感受对健康很重要,至少可以从准确性(IAcc)和敏感性(is)两方面进行评估。IAcc测量的是记录心跳和感知心跳之间的对应关系,而IS则是指在任务过程中对内感受感知的信心。本研究调查了心跳追踪任务期间的大脑活动是否与IAcc和is相关。具体来说,我们感兴趣的是,α波段(8-12 Hz)的任务相关功率(TRP)是否分别与IAcc和is相关,该波段已知指示特定任务的认知功能,如语义、注意和感觉过程。在30名参与者的样本中,我们发现在内感受任务中,左侧颞叶和顶叶区域的α带(相对于右侧)的TRP相对较高。此外,我们观察到α波段的TRP与IS呈负相关。α带较低的TRP可能表明更明显的认知和感觉过程与较高的IS有关。此外,我们发现了对IAcc的积极影响(独立于IS),这可能表明在内感受任务中更多的内部注意力对IAcc有益。我们进一步讨论心跳跟踪任务的方法学问题的背景下的发现。综上所述,这些发现的模式有利于研究任务相关的IS(即信心评级)与IAcc相结合,以更好地了解内感受过程,并提高我们对(心脏)内感受的神经基础的理解。
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来源期刊
Psychophysiology
Psychophysiology 医学-神经科学
CiteScore
6.80
自引率
8.10%
发文量
225
审稿时长
2 months
期刊介绍: Founded in 1964, Psychophysiology is the most established journal in the world specifically dedicated to the dissemination of psychophysiological science. The journal continues to play a key role in advancing human neuroscience in its many forms and methodologies (including central and peripheral measures), covering research on the interrelationships between the physiological and psychological aspects of brain and behavior. Typically, studies published in Psychophysiology include psychological independent variables and noninvasive physiological dependent variables (hemodynamic, optical, and electromagnetic brain imaging and/or peripheral measures such as respiratory sinus arrhythmia, electromyography, pupillography, and many others). The majority of studies published in the journal involve human participants, but work using animal models of such phenomena is occasionally published. Psychophysiology welcomes submissions on new theoretical, empirical, and methodological advances in: cognitive, affective, clinical and social neuroscience, psychopathology and psychiatry, health science and behavioral medicine, and biomedical engineering. The journal publishes theoretical papers, evaluative reviews of literature, empirical papers, and methodological papers, with submissions welcome from scientists in any fields mentioned above.
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