The Body Knows Better: Sensorimotor signals reveal the interplay between implicit and explicit Sense of Agency in the human mind

IF 2.8 1区 心理学 Q1 PSYCHOLOGY, EXPERIMENTAL
Asaf Applebaum , Ophir Netzer , Yonatan Stern , Yair Zvilichovsky , Oz Mashiah , Roy Salomon
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引用次数: 0

Abstract

Sense of Agency (SoA) is the feeling of control over our actions. SoA has been suggested to arise from both implicit sensorimotor integration as well as higher-level decision processes. SoA is typically measured by collecting participants' subjective judgments, conflating both implicit and explicit processing. Consequently, the interplay between implicit sensorimotor processing and explicit agency judgments is not well understood. Here, we evaluated in one exploratory and one preregistered experiment (N = 60), using a machine learning approach, the relation between a well-known mechanism of implicit sensorimotor adaptation and explicit SoA judgments. Specifically, we examined whether subjective judgments of SoA and sensorimotor conflicts could be inferred from hand kinematics in a sensorimotor task using a virtual hand (VH). In both experiments participants performed a hand movement and viewed a virtual hand making a movement that could either be synchronous with their action or include a parametric temporal delay. After each movement, participants judged whether their actual movement was congruent with the movement they observed. Our results demonstrated that sensorimotor conflicts could be inferred from implicit motor kinematics on a trial by trial basis. Moreover, detection of sensorimotor conflicts from machine learning models of kinematic data provided more accurate classification of sensorimotor congruence than participants' explicit judgments. These results were replicated in a second, preregistered, experiment. These findings show evidence of diverging implicit and explicit processing for SoA and suggest that the brain holds high-quality information on sensorimotor conflicts that is not fully utilized in the inference of conscious agency.
身体知道更多:感官运动信号揭示了人类头脑中隐性和显性代理意识之间的相互作用。
代理感(SoA)是指对自己行为的控制感。有人认为,SoA 来自于内隐的感觉运动整合以及更高层次的决策过程。SoA 通常是通过收集参与者的主观判断来测量的,这就混淆了内隐和外显的处理过程。因此,人们对内隐感觉运动处理和显性代理判断之间的相互作用还不甚了解。在这里,我们使用机器学习方法,在一个探索性实验和一个预先登记的实验(N = 60)中评估了众所周知的内隐感觉运动适应机制与显性代理判断之间的关系。具体来说,我们研究了在使用虚拟手(VH)的感觉运动任务中,是否可以从手部运动学推断出对 SoA 和感觉运动冲突的主观判断。在这两项实验中,参与者在做一个手部动作的同时,会看到一只虚拟手在做一个动作,这个动作可能与他们的动作同步,也可能包含一个参数时间延迟。每次动作结束后,参与者判断自己的实际动作是否与观察到的动作一致。我们的研究结果表明,感官运动冲突可以通过逐次试验从内隐运动运动学中推断出来。此外,从运动学数据的机器学习模型中检测感觉运动冲突比参与者的明确判断提供了更准确的感觉运动一致性分类。这些结果在第二个预先登记的实验中得到了验证。这些研究结果表明,SoA 的内隐和外显处理过程存在差异,并表明大脑拥有关于感觉运动冲突的高质量信息,但这些信息在推断有意识代理时并未得到充分利用。
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来源期刊
Cognition
Cognition PSYCHOLOGY, EXPERIMENTAL-
CiteScore
6.40
自引率
5.90%
发文量
283
期刊介绍: Cognition is an international journal that publishes theoretical and experimental papers on the study of the mind. It covers a wide variety of subjects concerning all the different aspects of cognition, ranging from biological and experimental studies to formal analysis. Contributions from the fields of psychology, neuroscience, linguistics, computer science, mathematics, ethology and philosophy are welcome in this journal provided that they have some bearing on the functioning of the mind. In addition, the journal serves as a forum for discussion of social and political aspects of cognitive science.
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