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身体正中线的左侧向右大脑半球报告信息,右侧则向左大脑半球报告信息。两侧的感觉在大脑中又被结合起来,接受综合分析。传递信息的神经纤维在中枢神经系的正中平面交叉着。只有视觉神经有点“例外”,因为光线经过眼睛晶状体成像时,已经有了交叉和倒转。视神经集中到视交叉时,视神经纤维经过重新分道,使两个眼睛视网膜左半部来的纤维(接受右侧视野的景象)进入左侧大脑半球,两
The left hemisphere of the midline of the body reports information to the right hemisphere and the right hemisphere reports information to the left hemisphere. Both sides of the feeling in the brain has been combined to accept a comprehensive analysis. The nerve fibers that convey information cross the median plane of the central nervous system. Only the optic nerve is a little “exceptional,” as the light crosses and reverses when it passes through the lens of the eye. When the optic nerve is focused on the optic chiasm, the fibers of the optic nerve are rechannelized so that the fibers from the left half of the retina of the eye (the scene receiving the right visual field) enter the left hemisphere of the brain and the two