The largest ever study of cognitive function in progressive supranuclear palsy and multiple system atrophy, investigating almost 700 patients, confirms that cognitive dysfunction in these conditions is common and often severe, and can occur early in the course of the disease. Detection, however, depends on an appropriate choice of tests.
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Bak, T. Why movement and cognition belong together. Nat Rev Neurol 7, 10–12 (2011). https://doi.org/10.1038/nrneurol.2010.177
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DOI: https://doi.org/10.1038/nrneurol.2010.177
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