Table 1.

Measures of spatial language

Measure	Description
Mentioning a ground	Does the participant mention the ground of the spatial relationship (e.g., a wall?)
Simultaneous mention of figure and ground	Does the participant simultaneously articulate the figure (e.g., token) relative to the ground (e.g., wall)?
Mentioning the red wall	Does the participant explicitly mention the red wall?
Consistency of placement of the red wall	Across four trials does the participant locate the red wall in a consistent location?
Consistency in marking left–right relations	Across four trials does the participant locate left and right spatial relationships consistently?