Graph Theoretical Analysis of Semantic Fluency in Patients with Parkinson’s Disease

Figure 1

(a) Directed speech graphs of three representative participants. HC004, a healthy control subject; PD021, a patient with Parkinson’s disease; AD663, a patient with Alzheimer’s disease. (b) Graph geodesic as the shortest path (green) between two nodes (blue) in the three participants.

(a)

(b)