This dataset was used to study the neural representations of non-symbolic ratios. Participants completed a delayed ratio comparison task in which a target ratio of 0.25, 0.50 or 0.75 was shown followed by a comparison ratio. Participants then had to indicate which of the two ratios was the largest (closest to 1:1). Ratios were depicted using four formats: dot numerosity (with constant dot size, or constant overall area) and line length (horizontal or vertical).
The study design was preregistered and can be found at the following link: https://osf.io/7hsyq/
This work was supported by the Canada First Research Excellence Fund through BrainsCAN at Western University.