https://www.sciencedirect.com/science/article/pii/S0010945214001294 (Publisher version)
van Kemenade, B., Seymour, K., Christophel, T., Rothkirch, M., & Sterzer, P. (2014). Decoding pattern motion information in V1. Cortex, 57, 177-187. doi:10.1016/j.cortex.2014.04.014.