Hundreds of neurons in the Aplysia abdominal ganglion are active during the gill-withdrawal reflex

Zecevic, D., Wu, J. Y., Cohen, L. B., London, J. A., Hopp, H. P., & Falk, C. X. (1989). Hundreds of neurons in the Aplysia abdominal ganglion are active during the gill-withdrawal reflex. Journal of Neuroscience, 9(10), 3681–3689. https://doi.org/10.1523/jneurosci.09-10-03681.1989