Dopamine dysfunction, which is implicated in Parkinson's disease and drug addiction, seems an unlikely culprit in fragile X syndrome. A surprising set of findings means a rethink is required.
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Weinshenker, D., Warren, S. Fragile dopamine. Nature 455, 607–608 (2008). https://doi.org/10.1038/455607a
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DOI: https://doi.org/10.1038/455607a
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