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Fig. 1 | Sports Medicine - Open

Fig. 1

From: A Preliminary Study of the Effectiveness of an Allostatic, Closed-Loop, Acoustic Stimulation Neurotechnology in the Treatment of Athletes with Persisting Post-concussion Symptoms

Fig. 1

a, b Example of a FFT spectral display of brain electrical activity, this for a 16-year-old male participant, with frequency (Hz, central Y-axis) plotted against amplitude (μV, X-axis). Color bars represent 1-min averages of amplitudes recorded from the left and right temporal lobes (T3/T4 montage, eyes closed, left/right boxes of each figure, respectively) in ten frequency bins (labeled 00 through 90) from 0 through 55 Hz, at the baseline assessment (2-A) and at the penultimate minute of the 21st session (2-B). High-frequency amplitudes are more symmetrical and of reduced magnitude after HIRREM

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