People can mentally rotate objects that resemble human bodies more efficiently than nonsense objects in the same/different judgment task. Previous studies proposed that this human-body advantage in mental rotation is mediated by one's projections of body axes onto a human-like object, implying that human-like objects elicit a strategy shift, from an object-based to an egocentric mental rotation. To test this idea, we investigated whether mental rotation performance involving a human-like object had a stronger association with spatial perspective-taking, which entails egocentric mental rotation, than a nonsense object. In the present study, female participants completed a chronometric mental rotation task with nonsense and human-like objects. Their spatial perspective-taking ability was then assessed using the Road Map Test and the Spatial Orientation Test. Mental rotation response times (RTs) were shorter for human-like than for nonsense objects, replicating previous research. More importantly, spatial perspective-taking had a stronger negative correlation with RTs for human-like than for nonsense objects. These findings suggest that human-like stimuli in the same/different mental rotation task induce a strategy shift toward efficient egocentric mental rotation.

中文翻译：

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空间透视能力在类人物体的心理旋转中作用的相关证据。

在相同/不同的判断任务中，人们可以比无意义的物体更有效地在精神上旋转类似于人体的物体。先前的研究提出，这种人体在心理旋转中的优势是由一个人将身体轴投射到类人对象上来调节的，这意味着类人对象会引发战略转变，从基于对象到以自我为中心的心理旋转。为了验证这个想法，我们调查了涉及类人对象的心理旋转性能是否与空间视角采取更强的关联，这需要以自我为中心的心理旋转，而不是无意义的对象。在本研究中，女性参与者使用无意义的类人物体完成了计时心理旋转任务。然后使用路线图测试和空间定向测试评估他们的空间透视能力。类人的心理旋转响应时间 (RTs) 比无意义的对象短，这与之前的研究相同。更重要的是，与无意义的物体相比，空间透视与 RT 的负相关性更强。这些发现表明，在相同/不同的心理旋转任务中，类人刺激会导致策略转向有效的以自我为中心的心理旋转。