The photoreceptor cells are shown here at the top, and then the signals that are detected by the photoreceptors are transformed by various computations until finally that layer of cells at the bottom, the ganglion cells, relay the information to the brain, where we see that as perception.
照片中的感光受体在顶部 被感光受体接收到的光信号 经过各种转化 最终从上而下，从神经节细胞 传输信息到大脑出 以此来获得视觉