neural representation of action categories and object manipulations

本研究的目的是通过对行为猴子的高阶运动区域的多个动作或操作的分类信息进行重新编码，我们研究了猴子的辅助和前辅助运动区域的神经元活动，以研究神经系统如何处理由涉及双侧手臂的多个动作产生的16个编码运动序列。我们首先在这两个领域发现，这种行为需求导致个体运动行为的基于属性的表征，反映了功能（动作）或解剖（右/左臂）属性。动作通常根据以身体轴为中心的参考系（旋后或旋前）来表示，而不考虑要使用的手臂。我们提出基于属性的二维序列表示提供了一种鲁棒且高效的处理多行为序列的方法。

The aim of this study is how categorical information of multiple actions or operations in higher-ordered motor areas by recoding neural activities from behaving monkeys, We examined neuronal activity in the supplementary and pre-supplementary motor areas of monkeys to investigate how the nervous system deals with the coding 16 motor sequences resulting from multiple actions involving bilateral use of the arms. We first found in both areas that this behavioral demand resulted in attribute-based representation of individual motor acts, reflecting functional (action) or anatomical (right/left arm) attributes. Actions were frequently represented according to a body-axis centered reference frame (supination or pronation) irrespective of the arm to be used. We propose that the two-dimensional attribute-based sequence representation provides a robust and efficient means of processing multiple behavioral sequences.