Retinal output LGN Eye Ganglion cell type LGN cell type Layer P-type Parvocellular Contralateral 6 对侧 nonM-nonP Koniocellular Ipsilateral P-type Parvocellular 5 同侧 nonM-nonP Koniocellular P-type Parvocellular Contralateral nonM-nonP Koniocellular P-type Parvocellular Ipsilateral nonM-nonP 3 Koniocellular M-type Magnocellular Ipsilateral nonM-nonP 2 Koniocellular M-type Magnocellular Contralateral nonM-nonP Koniocellular对侧 同侧