The hippocampus supports interpolation into new states during category abstraction
Theo A.J. Schäfer,
Mirko Thalmann,
Eric Schulz
et al.
Abstract:The hippocampus forms concepts by integrating multi-feature relations into a unified representation. A common yet unconfirmed assumption is that such cognitive maps afford interpolations to never-experienced states. We approach this question as a category-learning problem in which prototypes are omitted from training but guide category-based decisions in a subsequent feature-inference task. Consistent with behavior, missing inferred stimulus features were represented at prototypical values in neocortex. This c… Show more
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