When Height Carries Weight: Communicating Hidden Object Properties for Joint Action
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Publisher
WileyType
Journal articleTitle / Series / Name
Cognitive SciencePublication Volume
42Publication Issue
6Date
2018
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In the absence of pre-established communicative conventions, people create novel communication systems to successfully coordinate their actions toward a joint goal. In this study, we address two types of such novel communication systems: sensorimotor communication, where the kinematics of instrumental actions are systematically modulated, versus symbolic communication. We ask which of the two systems co-actors preferentially create when aiming to communicate about hidden object properties such as weight. The results of three experiments consistently show that actors who knew the weight of an object transmitted this weight information to their uninformed co-actors by systematically modulating their instrumental actions, grasping objects of particular weights at particular heights. This preference for sensorimotor communication was reduced in a fourth experiment where co-actors could communicate with weight-related symbols. Our findings demonstrate that the use of sensorimotor communication extends beyond the communication of spatial locations to non-spatial, hidden object properties.identifiers
10.1111/cogs.12638ae974a485f413a2113503eed53cd6c53
10.1111/cogs.12638
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