Modeling Magnitude Discrimination: Effects of Internal Precision and Attentional Weighting of Feature Dimensions
Emily M. Sanford,
Chad M. Topaz,
Justin Halberda
Abstract:Given a rich environment, how do we decide on what information to use? A view of a single entity (e.g., a group of birds) affords many distinct interpretations, including their number, average size, and spatial extent. An enduring challenge for cognition, therefore, is to focus resources on the most relevant evidence for any particular decision. In the present study, subjects completed three tasks—number discrimination, surface area discrimination, and convex hull discrimination—with the same stimulus set, whe… Show more
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