Individual differences in 3D pointing performance between passengers and drivers


While most studies in the spatial cognition literature focus on pointing in a two-dimensional context, (i.e., directional estimates in a horizontal plane), the mechanisms of pointing in 3d-space (i.e., direction estimates including up and down) are much less clearly understood. Based on a paradigm of Vidal & Berthoz, a virtual tube system providing a highly controlled environment, we designed a study comparing 3d pointing performance (i.e., pointing backward to the starting point or pointing forward to the end point of the experienced route) following active (drivers) vs. passive (passengers) exploration. Furthermore, we assessed the individual memory strategies reflected in self-reports and related these to pointing performance and reaction times.

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