以下哪个关于人类视觉系统的说法是错误的?( )

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问题 以下哪个关于人类视觉系统的说法是错误的?(    )

选项 A、visual fibers(or axons)cross to the opposite side of the brain at the corpus callosum
B、1ayer 4c in V1 is monocular
C、each side of the visual field is projecting to the opposite side of the cortex(i.e.each hemi-field is projecting to the opposing hemisphere)
D、adjacent areas in the visual field are projected onto adjacent areas in V1

答案A

解析 来自两眼视网膜颞侧半的纤维不交叉,各自进入不同侧的视束中;来自视网膜鼻侧半的纤维交叉,进入对侧视束。视交叉一般位于蝶鞍上方,鞍结节之后,垂体的前上方。即视    神经并不是在胼胝体处交叉到对侧的脑区。
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