Figure 3.

Amplitude values (left) and PV explained by the 24 h rhythm obtained by the Sokolove and Bushell periodogram (right). Standard errors for the activity, peripheral temperature, and light exposure of each group (Dfe: depressive-first episode; Dc: depressive-chronic; PV: percentage of the variance) are shown.

Moraes et al. BMC Psychiatry 2013 13:77   doi:10.1186/1471-244X-13-77
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