Research Article

Developmental Changes in Sleep Spindle Characteristics and Sigma Power across Early Childhood

Figure 1

Sample spindle detection envelope (with upper and lower thresholds labeled) and raw signal. (a) Resampled (128 Hz), band pass-filtered (10–16 Hz), and rectified EEG signal. (b) Raw EEG signal with detected sleep spindle in non-rapid eye movement sleep.
(a)
(b)