Conclusions Non-motor features are common in PD and may be more problematic than motor symptoms Non-motor features are common in PD and may be more problematic than motor symptoms Recognition historically poor, but improving Recognition historically poor, but improving Pathology is heterogeneous and variably related to dopaminergic function Pathology is heterogeneous and variably related to dopaminergic function Non-motor features are common in PD and may be more problematic than motor symptoms Non-motor features are common in PD and may be more problematic than motor symptoms Recognition historically poor, but improving Recognition historically poor, but improving Pathology is heterogeneous and variably related to dopaminergic function Pathology is heterogeneous and variably related to dopaminergic function
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