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Consciously monitored grasping is vulnerable to perceptual intrusions
Consciousness and Cognition ( IF 2.728 ) Pub Date : 2020-09-24 , DOI: 10.1016/j.concog.2020.103019
Gal Navon 1 , Tzvi Ganel 1
Affiliation  

The idea of functional differentiation between vision-for-action and vision-for-perception has been supported by evidence from different domains. According to this account, perception is based on consciously accessible, relative representations, whereas vision-for-action is performed in an analytic, automatic manner. Support for this idea comes from studies that showed that unlike perception, grasping movements are refractory to illusions and to Weber’s law. Yet, interactions between the systems may occur when an action is performed in a less automated fashion. To test this idea, we asked participants to monitor their fingers apertures in flight and to halt their movement for a short duration when they felt that their aperture reached a maximum amount. The results showed that movements in the monitored condition were biased by the Ponzo illusion and showed atypical adherence to Weber's law. These results show that action and perception are more likely to interact when movements are performed in a controlled manner.



中文翻译:

有意识地监控抓取容易受到感知入侵

行动愿景和感知愿景之间功能差异的想法得到了来自不同领域的证据的支持。根据这种说法,感知是基于有意识的、相对的表征,而行动的愿景是以分析的、自动的方式进行的。支持这一想法的研究表明,与感知不同,抓握动作不受幻觉和韦伯定律的影响。然而,当以自动化程度较低的方式执行操作时,可能会发生系统之间的交互。为了测试这个想法,我们要求参与者在飞行中监控他们的手指孔径,并在他们觉得他们的孔径达到最大量时停止他们的运动一小段时间。结果表明,受监控条件下的运动受到庞佐错觉的影响,并表现出对韦伯定律的非典型遵守。这些结果表明,当运动以受控方式进行时,动作和感知更有可能相互作用。

更新日期:2020-09-24
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