1.视网膜-膝状体通路(90%) 2.视网膜-上丘/枕核通路（10%) dorsal tream 五级视皮层人 三级视皮层 外侧膝状体 LGN pulvinar V2 次级视皮层 枕核 V1 retina amygdala 北丘 四级视皮层 初级视皮层 视网膜 ventral stream Urbanski et al.,2014,Frontier in intergrative neuroscience FIGURE 1|Schematic diagram of the human visual/system.The main bypassing both V1 and the LGN.This pathway has been accounted to connections originating in the retina are d in thick arrows.They mediate action blindsight.Another colliculo-pulvinar pathway,associated with synapse in the lateral geniculate nucleus project to the primary the ventral visual stream,synapses in the LGN and projects to extrastriate visual cortex (V1).V1 sent information to the extrastriate areas (V2,V3,V4 areas (in particular area V4)bypassing V1.This pathway has been accounted and MT+/5).Most of the corticocortical (in blue)and subcortico-cortical (in to mediate color and shape residual discrimination.Other collicular pathways orange)connections are reciprocal but are not represented for clarity of the are represented:the colliculo-pulvinar pathway (between SC and pulvinar), schema.Alternative pathways are represented in thin arrows.The the pulvino-amygdalar pathway (between the pulvinar and amygdala)and the extrageniculostriate pathway belonging to the dorsal visual stream,originates colliculo-pulvino-amygdalar pathway (between the SC,the pulvinar and the in the retina and synapses in the superior colliculus(SC)and in the pulvinar amygdala).These pathways have been accounted to mediate affective and projects directly to extrastriate areas(in particular area MT+N5) blindsight. Urbanski et al., 2014, Frontier in intergrative neuroscience 视网膜 上丘 外侧膝状体 枕核 初级视皮层 次级视皮层 三级视皮层 四级视皮层 五级视皮层 1. 视网膜-膝状体通路（90%） 2. 视网膜-上丘/枕核通路（10%） 南医大王优爱课资料