August 13, 2025

Optogenetic inhibition reveals distinct contributions of medial prefrontal cortex to intertemporal choice in young and aged rats.

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Inactivation of the medial prefrontal cortex altered reward preferences, especially in aged rats.
During decision-making, mPFC inhibition increased preference for delayed rewards in young and aged rats, highlighting its role in intertemporal choice.
Assessment involved optogenetic methods to deactivate specific brain regions during different task stages, revealing age-related differences.
Findings suggest mPFC is crucial for integrating reward delay information in aging, affecting decision-making processes for future outcomes.

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Optogenetic inhibition reveals aging's effects on intertemporal choice preferences in rats, indicating the prefrontal cortex's role.

Faraji et al. (2025) studied this question.

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