State University of New York (SUNY) at Morrisville 1 article published in JoVE Biochemistry A Planarian Motility Assay to Gauge the Biomodulating Properties of Natural Products Evelyn B. Voura1, Carlos H. Pulquerio1, Robyn A. M. V. Fong1, Zaina Imani1, Pablo J. Rojas1, Angela M. Pratt1, Nicole M. Shantel1, Elisa J. Livengood1 1State University of New York (SUNY) at Morrisville Planarian motility is used to gauge the stimulant and withdrawal properties of natural products when compared to the movement of the animals in spring water alone.