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《生理卫生》课本第121页和第123页是大脑半球图,很多学生难以判断这两图各属于哪一侧大脑半球。下面介绍一种判断方法。先判断出大脑半球的前与后。如果是大脑半球的矢状切面(从前后方向沿身体的长轴将人体切为左右两部分的切面)正对我们,就可以根据小脑位于大脑的后下方或脑干位于大脑下面并向后方延伸与脊髓相连,判断出大脑半球的前后。如果是大脑半球矢状切面背对着我们,即大脑皮层的功能区正对着我们,就可根据视觉中枢位于大脑皮层的后面来判断大脑半球的前后。再根据已判断出的前后和矢状切面是否正
Texts on pages 121 and 123 of the book “Physical Health” are brain hemisphere maps, and it is difficult for many students to determine which side of the brain hemisphere belongs to. The following describes a method of judgment. First determine the front and back of the hemisphere. If it is the sagittal section of the cerebral hemisphere (cutting the human body from the anterior and posterior directions along the long axis of the body to the left and right sections), it can be based on the cerebellum in the lower back of the brain or the brain stem in the lower part of the brain and extending backwards. Connected to the spinal cord to determine the front and rear of the hemisphere. If the sagittal section of the cerebral hemisphere is opposite to us, that is, the functional area of the cerebral cortex is facing us, we can judge the front and rear of the cerebral hemisphere based on the visual center behind the cerebral cortex. Then according to the judged positive and negative sagittal plane