Additive Routes to Action Learning: Layering Experience Shapes Engagement of the Action Observation Network.
Additive Routes to Action Learning: Layering Experience Shapes Engagement of the Action Observation Network.
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DOI：
10.1093/cercor/bhv167
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发表时间：
2015-12
期刊：
影响因子：
--
通讯作者：
Cross ES
中科院分区：
文献类型：
--
作者：
Kirsch LP;Cross ES
我们感知他人行为的方式会受到一个人先前观察到的行为的经验的影响。例如，我们可以通过观察他人的行为获得听觉、视觉或运动体验。如何通过1，2，或所有3个这些形式的动作经验形状的动作知觉仍不清楚。在这里，我们结合联合收割机训练前和训练后的功能性磁共振成像措施与舞蹈训练操作，以解决如何建立经验（从听觉到视听到视听加电机）与一个复杂的行动形状随后的行动知觉。结果表明，这3种模式的分层经验激活了一些与动作观察网络（AON）相关的感觉运动皮层区域，其方式是，一个人经历的动作越多，在动作感知过程中，这些AON区域内的反应就越大。此外，左侧运动前区活动与参与者再现动作的分数之间的相关性表明，观察者能够更好地执行所观察到的动作，神经反应就越强。研究结果表明，通过观察者体验的行动影响AON活动的方式的数量相加，和运动前皮层活动可能作为一个指标的实施过程中的行动观察。
The way in which we perceive others in action is biased by one's prior experience with an observed action. For example, we can have auditory, visual, or motor experience with actions we observe others perform. How action experience via 1, 2, or all 3 of these modalities shapes action perception remains unclear. Here, we combine pre- and post-training functional magnetic resonance imaging measures with a dance training manipulation to address how building experience (from auditory to audiovisual to audiovisual plus motor) with a complex action shapes subsequent action perception. Results indicate that layering experience across these 3 modalities activates a number of sensorimotor cortical regions associated with the action observation network (AON) in such a way that the more modalities through which one experiences an action, the greater the response is within these AON regions during action perception. Moreover, a correlation between left premotor activity and participants' scores for reproducing an action suggests that the better an observer can perform an observed action, the stronger the neural response is. The findings suggest that the number of modalities through which an observer experiences an action impacts AON activity additively, and that premotor cortical activity might serve as an index of embodiment during action observation.