Tool use ability depends on understanding of functional dynamics and not specific joint contribution profiles

Frontiers in Psychology

Ross Parry¹ 

关键词: tool use;    motor learning;    motor equivalence;    synergy;    expertise;    mechanical constraints;    stone knapping;    mechanical reasoning;   

DOI  :  10.3389/fpsyg.2014.00306

学科分类：心理学（综合）

来源: Frontiers

【 摘 要 】

Researchers in cognitive neuroscience have become increasingly interested in how different aspects of tool use are integrated and represented by the brain. Comparatively less attention has been directed toward tool use actions themselves and how effective tool use behaviors are coordinated. In response, we take this opportunity to consider the mechanical principles of tool use actions and their relationship to motor learning. Using kinematic analysis, we examine both functional dynamics and joint contribution profiles of subjects with different levels of experience in a primordial percussive task. Our results show that the ability to successfully produce stone flakes using the Oldowan method did not correspond with any particular joint contribution profile. Rather, expertise in this tool use action was principally associated with the subject's ability to regulate the functional parameters that define the task itself.

【 授权许可】

CC BY