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Polymorphisms in dopamine-associated genes and cognitive decline in Parkinson's disease.

David BäckströmM Eriksson DomellöfG GranåsenJ LinderS MayansE ElghH ZetterbergK BlennowL Forsgren
Published in: Acta neurologica Scandinavica (2017)
The results favor the hypothesis that dopamine deficiency in PD not only relate to mild cognitive deficits in frontostriatal functions, but also to a decline in memory and attention. This could indicate that dopamine deficiency impairs a wide network of brain areas.
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