Stins John F, Schneider Iris K, Koole Sander L, Beek Peter J
Department of Human Movement Sciences, Faculty of Behaviour and Movement Sciences, MOVE Research Institute Amsterdam, VU University Amsterdam, Amsterdam, The Netherlands.
Department of Clinical Psychology, Faculty of Behaviour and Movement Sciences, VU University Amsterdam, Amsterdam, The Netherlands.
Adv Cogn Psychol. 2015 Sep 30;11(3):77-83. doi: 10.5709/acp-0173-x. eCollection 2015.
The present study examined the differential effects of kinesthetic imagery (first person perspective) and visual imagery (third person perspective) on postural sway during quiet standing. Based on an embodied cognition perspective, the authors predicted that kinesthetic imagery would lead to activations in movement-relevant motor systems to a greater degree than visual imagery. This prediction was tested among 30 participants who imagined various motor activities from different visual perspectives while standing on a strain gauge plate. The results showed that kinesthetic imagery of lower body movements, but not of upper body movements, had clear effects on postural parameters (sway path length and frequency contents of sway). Visual imagery, in contrast, had no reliable effects on postural activity. We also found that postural effects were not affected by the vividness of imagery. The results suggest that during kinesthetic motor imagery participants partially simulated (re-activated) the imagined movements, leading to unintentional postural adjustments. These findings are consistent with an embodied cognition perspective on motor imagery.
本研究考察了动觉意象（第一人称视角）和视觉意象（第三人称视角）对安静站立时姿势晃动的不同影响。基于具身认知视角，作者预测动觉意象比视觉意象会在更大程度上激活与运动相关的运动系统。这一预测在30名参与者中进行了测试，这些参与者站在应变仪板上时，从不同视觉视角想象各种运动活动。结果表明，下半身运动的动觉意象（而非上半身运动的动觉意象）对姿势参数（晃动路径长度和晃动频率成分）有明显影响。相比之下，视觉意象对姿势活动没有可靠影响。我们还发现姿势效应不受意象生动性的影响。结果表明，在动觉运动意象过程中，参与者部分模拟（重新激活）了想象中的运动，从而导致无意的姿势调整。这些发现与关于运动意象的具身认知视角一致。
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