Figure 7
From: OSERR: an open-source standalone electrophysiology recording system for rodents

Changes in EEG activity accompanying anesthesia induced by isoflurane inhalation. (A) Representative EEG signal from one mouse. Insets show detailed views of segments from before (blue) and after (orange) anesthesia induction. (B) Power spectral density of the EEG signal before and after anesthesia induction. (C) Spectrogram showing the transition from pre- to post-anesthesia.