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1,678 claims from 1,032 papers are on the record. 46 have been checked so far; the other 1,632 have no check with a result yet.

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Status: Unchecked ×Keyword: conjunctive representations ×Clear all

3 claims from 2 papers

1. Neuroscience › Memory and Neural Mechanisms

   Conjunctive Representation of Position, Direction, and Velocity in Entorhinal Cortex

   Sargolini, Fyhn, Hafting et al. · Science · 2006

   Recording from each principal cell layer of rat medial entorhinal cortex, the authors found grid, head-direction and conjunctive cells, all modulated by running speed, which may help update grid coordinates during navigation.

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   1. UncheckedIn rats, layer II of the medial entorhinal cortex was mostly grid cells, while deeper layers mixed grid, head-direction and conjunctive cells.“Whereas layer II was predominated by grid cells, grid cells colocalized with head-direction cells and conjunctive grid × head-direction cells in the deeper layers.”

2. Neuroscience › Memory and Neural Mechanisms

   Learning Conjunctive Representations

   Pettersen, Rogge and Lepperød · bioRxiv (Cold Spring Harbor Laboratory) · 2024

   The authors propose a similarity-based objective for training networks, which yields place-like representations, extends to context information, and produces remapping-like behaviour.

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   1. UncheckedNeural networks trained to encode several contexts learn distinct representations for each, showing remapping-like behaviour between contexts.“When trained to encode multiple contexts, networks learn distinct representations, exhibiting remapping behaviors between contexts.”
   2. UncheckedThe paper's proposed training objective gives the same value when a learned representation is rotated or otherwise orthogonally transformed.“The proposed objective is invariant to orthogonal transformations.”