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Context-Dependent Egr1 Expression in the Avian Hippocampus.


ABSTRACT: In mammals, episodic memory and spatial cognition involve context-specific recruitment of unique ensembles in the hippocampal formation (HF). Despite their capacity for sophisticated spatial (e.g., for migration) and episodic-like (e.g., for food-caching) memory, the mechanisms underlying contextual representation in birds is not well understood. Here we demonstrate environment-specific Egr1 expression as male brown-headed cowbirds (Molothrus ater) navigate environments for food reward, showing that the avian HF, like its mammalian counterpart, recruits distinct neuronal ensembles to represent different contexts.

SUBMITTER: Grella SL 

PROVIDER: S-EPMC5055351 | biostudies-literature | 2016

REPOSITORIES: biostudies-literature

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Context-Dependent Egr1 Expression in the Avian Hippocampus.

Grella Stephanie L SL   Guigueno Mélanie F MF   White David J DJ   Sherry David F DF   Marrone Diano F DF  

PloS one 20161007 10


In mammals, episodic memory and spatial cognition involve context-specific recruitment of unique ensembles in the hippocampal formation (HF). Despite their capacity for sophisticated spatial (e.g., for migration) and episodic-like (e.g., for food-caching) memory, the mechanisms underlying contextual representation in birds is not well understood. Here we demonstrate environment-specific Egr1 expression as male brown-headed cowbirds (Molothrus ater) navigate environments for food reward, showing  ...[more]

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