Brummer, Megan, Ericka Lowe, & Bethwel Raore. " Serotonin Increases Flexion And Excitatory Junction Potential Amplitude While Octopamine Decreases Average Excitatory Junction Potential Amplitude In Crayfish." Pioneering Neuroscience [Online], 1 (2000): 25-33. Web. 12 Oct. 2021