Fig. 11From: An overview of behavioral, physiological, and environmental sensors used in animal biotelemetry and biologging studies(adapted from [43])Electrical activity of brain and muscle. Illustration of placement of electrodes in tail muscle to record electromyogram (EMG) (a) and in the olfactory bulb and medulla to record electroencephalogram (EEG) (b). Waveforms indicating the activity of the gills, olfactory bulb, and tail muscle (c)Back to article page