36228 EFTA02693149 A 40 35 B 171 x 30 — 25 20 a) 15 2 co 10 a. 5 0 2 3 Frequency (Hz) 4 50T 40, itsi 30 r0 20 a. 10 0 5 Upper Bound 95% (C.I.) Lower Bound 95% (C.I.) 5 O ° 2 O .2 5 10 15 20 IS frequency (11/) 10 15 Frequency (Hz) EEG Rest EEG Walking 20 25 E