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. Author manuscript; available in PMC: 2014 Sep 18.
Published in final edited form as: IEEE Trans Neural Syst Rehabil Eng. 2004 Sep;12(3):360–366. doi: 10.1109/TNSRE.2004.834203

Figure 5.

Figure 5

Average frequency spectra of anterior-posterior head translation, as a function of frequency. Top: Average spectra for all 20 subjects. A larger peak at the stimulus frequency is seen at 0.25 Hz. Middle: Average spectra for significant responses only (n=12 at 0.1 Hz and n=13 at 0.25 Hz). Bottom: Average spectra for nonsignificant responses only (n=8 at 0.1 Hz and n=7 at 0.25 Hz).