Abstract
Stress affects various forms of cognition. We found that moderate stress enhanced late reversal learning in a mouse touchscreen-based choice task. Ventromedial prefrontal cortex (vmPFC) lesions mimicked the effect of stress, whereas orbitofrontal and dorsolateral striatal lesions impaired reversal. Stress facilitation of reversal was prevented by BDNF infusion into the vmPFC. These findings suggest a mechanism by which stress-induced vmPFC dysfunction disinhibits learning by alternate (for example, striatal) systems.
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Acknowledgements
We thank Y. Shaham, G. Quirk and G. Schoenbaum for valuable discussions. This work was supported by the National Institute on Alcohol Abuse and Alcoholism Intramural Research Program (Z01-AA000411).
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C.G. and A.H. designed the study. T.J.B. and L.M.S. provided behavioral software. C.G., M.F., E.S. and J.L.B. performed experiments and analyzed data. A.H., T.J.B. and C.G. wrote the manuscript.
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Graybeal, C., Feyder, M., Schulman, E. et al. Paradoxical reversal learning enhancement by stress or prefrontal cortical damage: rescue with BDNF. Nat Neurosci 14, 1507–1509 (2011). https://doi.org/10.1038/nn.2954
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DOI: https://doi.org/10.1038/nn.2954
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