Memory Landmark Anchoring
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Distance Mapping and Variable-Specific Geometry of Goal-Relevant Frames in the Retrosplenial Cortex
Goal-directed navigation requires animals to continuously update their position relative to an unmarked goal. Here, we recorded retrosplenial cortex (RSC) activity in freely moving rats during goal-directed navigation and random foraging. We found that RSC neurons encoded the Euclidean distance to the goal, and that this distance representation was selectively biased toward the goal during navigation.
From Zero to Hero: Training-Free Custom Concept Spawning in World Models
arXiv:2606.02575v1 Announce Type: new Abstract: Autoregressive world models have emerged as a powerful paradigm for interactive video generation, allowing users to navigate dynamically generated environments through actions. These models are typically conditioned on a text prompt and/or a single reference frame, from which the entire world is generated. Yet the moment the user navigates beyond what is visible in that frame, the unseen regions are populated by the base model's priors, with no...
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Obama Writes His Own Story
On a recent morning at Chicago’s new Obama Presidential Center, the institution’s leadership discussed presidential papers the way a decluttering convert might talk about some old sweaters they tossed because they did not spark joy. The campus contains many features sure to delight the misty-eyed visitors who will flock here once it opens, on June 19: a museum that can come across like a pep talk from a more hopeful time; a light-filled basketball court; a whimsical playground; a public...