Cortical direction selectivity increases from the input to the output layers of visual cortex. - Dai, Weifeng; Wang, Tian; Li, Yang; Yang, Yi; Zhang, Yange; Wu, Yujie; Zhou, Tingting; Yu, Hongbo; Li, Liang; Wang, Yizheng; Wang, Gang; Xing, Dajun (PLoS Biology, 2025)