Matthew Rui En Koh

Subjective cognitive Complaints in early Parkinson's disease patients with normal cognition are associated with affective symptoms.

Zheyu Xu, S. Saffari, W. Au, 2020, Parkinsonism & related disorders.

Poor sleep quality is associated with fatigue and depression in early Parkinson's disease: A longitudinal study in the PALS cohort

Zheyu Xu, S. Saffari, W. Au, 2022, Frontiers in Neurology.