Selection of the Optimal Algorithm for Real-Time Estimation of Beta Band Power during DBS Surgeries in Patients with Parkinson’s Disease

Figure 4

Results of different power spectral estimation methods apply to the signal from patient 5, left hemisphere, central electrode, at a distance from target of 2.235 mm.

(a) Periodogram

(b) Welch: Hamming 0.5 s

(c) Welch: Hamming 1 s

(d) Welch: Hamming 1.5 s

(e) Multitaper: NW = 2

(f) Multitaper: NW = 6

(g) AR order 4

(h) AR order 15