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Fig. 12 | Animal Biotelemetry

Fig. 12

From: Eavesdropping on the brain at sea: development of a surface-mounted system to detect weak electrophysiological signals from wild animals

Fig. 12

Effect of water submersion on signal quality. Lollipop plots showing delta spectral power of slow-wave sleep (SWS) connected to subsequent delta during REM, colored according to recording location (land in red and water in blue). Plots are aligned such that the first and last sleep cycles of each recording are aligned. Smaller lines after initial water submersion show the resulting decrease in signal quality, which is minimized in later iterations of the tag

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