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Imitation Strategies in Callosotomized Patients.
Archives Italiennes De Biologie ( IF 1 ) Pub Date : 2018-7-25 , DOI: 10.12871/00039829201812
C Pierpaoli , N Foschi , C Cagnetti , L Ferrante , T Manzoni , G Polonara , M Fabri 1
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Imitation is a human ability rooted in early life. It allows people to interact with each other by observing and reproducing simple and complex movements alike. Imitation can occur in at least two forms: the rst, de ned as anatomical, seems to be based primarily on the mental construct of the "body schema" because the imitating movement corresponds precisely to the imitated movement in bodily terms, but not in terms of spatial compatibility. For example, a right arm movement of a model is imitated with a right arm movement by a facing imitator in a spatially incompatible fashion. The other form, de ned as specular or mirror-mode, involves a spatially compatible matching between imitated and imitating movements, as when an imitator moves her right arm upon viewing a corresponding left arm movement of a facing model (Chiavarino et al., 2007). In a previous study, healthy subjects showed a slight (61%) preference for the specular mode when freely imitating meaningful and meaningless gestures, whereas they strongly preferred the anatomical mode (93%) when given an intentionally ambiguous instruction such as "use the same (or the opposite) limb as the model" (Pierpaoli et al., 2014). In the present investigation it has been shown that callosotomized patients tended to favour the mirror-mode in both the free (66%) and the instructed condition (61% responses in driven sessions) regardless instructions given by the experimenter. Moreover, present data suggest that the extent of the callosotomy may in uence the patient's performance.

中文翻译:

截骨患者的模仿策略。

模仿是植根于早期生活的一种人类能力。它允许人们通过观察和再现简单和复杂的动作来相互交流。模仿至少可以以两种形式发生:首先,被定义为解剖学,似乎主要基于“身体图式”的心理构造,因为模仿运动在身体上精确地对应于模仿运动,但在形式上并非如此。空间兼容性。例如,模型的右臂运动由面对的模仿者以空间不兼容的方式模仿右臂运动。另一种形式定义为镜面反射或镜像模式,涉及到模仿运动和模仿运动之间的空间兼容匹配,就像当模仿者在查看面对模型的相应左臂运动时移动其右臂时(Chiavarino等人,2007)。在先前的研究中,健康的受试者在自由模仿有意义和无意义的手势时表现出对镜面反射模式的轻微偏爱(61%),而当他们有针对性地模棱两可的指令(例如“使用相同的姿势”)时,他们强烈偏爱解剖模式(93%) (或相反)肢体作为模型”(Pierpaoli等人,2014)。在本研究中,已经表明,无论实验者给予了何种指示,接受过切开术的患者在自由(66%)和指示性条件下(在驾驶过程中有61%的反应)倾向于偏光镜模式。此外,目前的数据表明,切骨术的程度可能会影响患者的表现。健康的受试者在自由模仿有意义和无意义的手势时表现出对镜面反射模式的轻微偏爱(61%),而当他们被给予故意模棱两可的指令(例如“使用相同(或相反)”)时,他们强烈偏爱解剖模式(93%)肢体为模型”(Pierpaoli等人,2014)。在本研究中,已经表明,无论实验者给予了何种指示,接受过切开术的患者在自由(66%)和指示性条件下(在驾驶过程中有61%的反应)倾向于偏光镜模式。此外,目前的数据表明,切骨术的程度可能会影响患者的表现。健康的受试者在自由模仿有意义和无意义的手势时表现出对镜面反射模式的轻微偏爱(61%),而当他们被给予故意模棱两可的指令(例如“使用相同(或相反)”)时,他们强烈偏爱解剖模式(93%)肢体为模型”(Pierpaoli等人,2014)。在本研究中,已经表明,无论实验者给予了何种指示,接受过切开术的患者在自由(66%)和指示性条件下(在驾驶过程中有61%的反应)倾向于偏光镜模式。此外,目前的数据表明,切骨术的程度可能会影响患者的表现。
更新日期:2020-08-21
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