Fig. 1

Experimental setting for Telemetry and EEG/EMG recording and exemplary labeled EEG/EMG data: A the placement of the telemetry body in the abdomen. B Representation of an animal head with implanted EEG and EMG electrodes. C Electrode (EEG and EMG) placement in the skull and neck muscle of the animal (not to scale). D Schematic displaying EEG/EMG recording. Two stacked SmartPads are used to allow Cohousing in a cage. The primary SmartPad is needed for wireless power to the implanted telemeters whereas each implanted sensor transmits the data separately through the two pads. E Exemplary data of a Wake stretch, which is characterized by high and variable EMG activity and medium EEG activity. F Exemplary data of a NREM sleep phase, characterized by low EMG activity and prominent EEG activity in the delta range. G Example of a REM sleep phase characterized very low EMG activity and medium EEG activity mainly in the theta band