A study finds that recall of fear-provoking memory changes the surface levels of AMPA receptors in the dorsal hippocampus. Inhibition of AMPA receptor trafficking strengthens the memory and results in excessive fear.
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Radulovic, J., Tronson, N. Receptors in (e)motion. Nat Neurosci 14, 1222–1224 (2011). https://doi.org/10.1038/nn.2938
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DOI: https://doi.org/10.1038/nn.2938