ArticlebioRxiv : the preprint server for biology2024
Prelimbic Cortex Activity Predicts Anxiety-Like Behavior in the Elevated Plus Maze.
Article in bioRxiv : the preprint server for biology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
The medial prefrontal cortex (mPFC) plays a critical role in emotional regulation, and its dysregulation is linked to anxiety disorders. In particular, the prelimbic cortex (PrL) of the mPFC is thought to modulate anxiety-related behaviors, though its precise role remains debated. Here, we used endoscopic in vivo calcium imaging to assess PrL neuronal activity in male and female Sprague-Dawley rats performing in the Elevated Plus Maze (EPM), a widely used task to measure anxiety-like behavior. We found that animals that spent less time in the open arms exhibited higher PrL activity in the open arms, suggesting that heightened PrL activity may reflect greater anxiety or increased avoidance behavior. These results suggest that the PrL may play a role in regulating the emotional response to anxiety-provoking situations, potentially influencing the tolerance for exposure to threatening environments.
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