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首页> 美国卫生研究院文献>Frontiers in Human Neuroscience >Motor activation in literal and non-literal sentences: does time matter?
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Motor activation in literal and non-literal sentences: does time matter?

机译：文字和非文字句子中的动作激活：时间重要吗？

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Despite the impressive amount of evidence showing involvement of the sensorimotor systems in language processing, important questions remain unsolved among which the relationship between non-literal uses of language and sensorimotor activation. The literature did not yet provide a univocal answer on whether the comprehension of non-literal, abstract motion sentences engages the same neural networks recruited for literal sentences. A previous TMS study using the same experimental materials of the present study showed activation for literal, fictive and metaphoric motion sentences but not for idiomatic ones. To evaluate whether this may depend on insufficient time for elaborating the idiomatic meaning, we conducted a behavioral experiment that used a sensibility judgment task performed by pressing a button either with a hand finger or with a foot. Motor activation is known to be sensitive to the action-congruency of the effector used for responding. Therefore, all other things being equal, significant differences between response emitted with an action-congruent or incongruent effector (foot vs. hand) may be attributed to motor activation. Foot-related action verbs were embedded in sentences conveying literal motion, fictive motion, metaphoric motion or idiomatic motion. Mental sentences were employed as a control condition. foot responses were significantly faster than finger responses but only in literal motion sentences. We hypothesize that motor activation may arise in early phases of comprehension processes (i.e., upon reading the verb) for then decaying as a function of the strength of the semantic motion component of the verb.
机译：尽管有大量的证据表明感觉运动系统参与了语言加工，但是重要的问题仍未解决，其中非语言的语言使用与感觉运动激活之间的关系。关于非文字抽象运动句子的理解是否与为文字句子征募的相同神经网络有关，文献尚未提供明确的答案。先前的TMS研究使用了与本研究相同的实验材料，显示了文字，虚拟和隐喻运动句子的激活，但惯用句子没有激活。为了评估这是否可能取决于没有足够的时间来表达习惯用语，我们进行了一项行为实验，该实验使用了灵敏度判断任务，该任务通过用手指或脚按下按钮来执行。众所周知，电机激活对用于响应的效应器的动作一致性很敏感。因此，在所有其他条件相同的情况下，与动作一致或不一致的效应器（脚与手）发出的响应之间的显着差异可能归因于电机激活。与脚有关的动作动词被嵌入句子中，传达文字运动，虚拟运动，隐喻运动或惯用运动。使用心理句子作为对照条件。足部反应明显快于手指反应，但仅在文字动作句子中。我们假设在理解过程的早期阶段（即在阅读动词时）可能发生运动激活，然后根据动词的语义运动成分的强度衰减。

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