![It's hugely complex': the scientists working to defeat Parkinson's | Medical research | The Guardian It's hugely complex': the scientists working to defeat Parkinson's | Medical research | The Guardian](https://i.guim.co.uk/img/media/26cc06cddf0cdd0c700e6497df0ebe2cb6db2175/0_215_7216_4330/master/7216.jpg?width=465&quality=85&dpr=1&s=none)
It's hugely complex': the scientists working to defeat Parkinson's | Medical research | The Guardian
![Changes in facial expressions in patients with Parkinson's disease during the phonation test and their correlation with disease severity - ScienceDirect Changes in facial expressions in patients with Parkinson's disease during the phonation test and their correlation with disease severity - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0885230821000887-gr1.jpg)
Changes in facial expressions in patients with Parkinson's disease during the phonation test and their correlation with disease severity - ScienceDirect
![Completely edentulous Parkinson patient with mask-like face and fixed gaze. | Download Scientific Diagram Completely edentulous Parkinson patient with mask-like face and fixed gaze. | Download Scientific Diagram](https://www.researchgate.net/profile/Satheesh-Haralur-2/publication/272370805/figure/fig1/AS:1086791960526865@1636122803534/Completely-edentulous-Parkinson-patient-with-mask-like-face-and-fixed-gaze_Q640.jpg)
Completely edentulous Parkinson patient with mask-like face and fixed gaze. | Download Scientific Diagram
![PDF] Facial Emotional Expression Assessment in Parkinson's Disease by Automated Algorithm Based on Action Units | Semantic Scholar PDF] Facial Emotional Expression Assessment in Parkinson's Disease by Automated Algorithm Based on Action Units | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/655d2e9838a252ceca0e92d66fbf032ed36a15a0/3-Figure1-1.png)