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Videographic material of animals can contain inapparent signals, such as color changes or motion that hold information about physiological functions, such as heart and respiration rate, pulse wave velocity, and vocalization. Eulerian video magnification allows the enhancement of such signals to enable their detection. The purpose of this study is to demonstrate how signals relevant to experimental physiology can be extracted from non-contact videographic material of animals.doi:10.1186/s12915-019-0716-7 pmid:31831016 pmcid:PMC6907275 fatcat:zhvui6k3q5eltishzrbr4ydese