推荐回答（1个）
手指与大脑之间有着密切的关系。手的动作，特别是手指的动作，越复杂、越精巧、越娴熟，就越能在大脑皮层建立更多的神经联系。科学家通过研究发现，学生采用活动手指来刺激大脑，远比死记硬背更能增强大脑的活力，并可延缓脑细胞的衰老。这对人类智力的开发，尤其对儿童的智力开发具有十分重要的意义。 医学界也认为，人类经过进化，从四肢爬行到直立行走，上肢比下肢更加灵活。手指功能越来越多和越来越精细，极大地促进了大脑发育，这便是经常活动手指可促进大脑功能的保持与强化，延缓或阻止大脑衰老之理。甚至有专家直言：由于大脑和手的关系密切，中年以后，如能经常做手指运动，有助于大脑血流通畅，这样既健脑又可预防老年痴呆的发生。原因是因为：手部的血液回圈丰富且微循环密集，毛细血管网和神经末梢极为丰富，尤其是手指，每平方英寸所含的神经末梢数量高达50000，为大脑提供了极多的资讯，从而促进了脑细胞的发育。正如绝大多数的婴儿一生下来就会吸吮自己的手指，而自超声波技术在妇产科得到广泛应用之后，在屏幕上就能看到母体子宫内的胎儿一边在羊水中漂浮，一边有滋有味地吸吮着手指的影子。这一番享乐主义的景象，并不是手指有什么特殊味到，而是幼儿基于脑细胞发育需求，导致的本能动作。 而中医理论认为：手指是人体上肢的末端，气血流注到此而返回，五个手指有6条经脉循行。心、肺、大肠、小肠、心包、三焦等经络在手指尖部起始交接，肺经止于拇指少商穴，大肠经起始于食指商阳穴，心包经止于中指中冲穴，三焦经起始于无名指关冲穴，心经止于小指少冲穴，小肠经起始于小指少泽穴。 并明确地指出了大拇指反映手太阴肺经、肺脏的健康信息，也反映足太阴脾经、脾脏的健康信息。食指反映手阳明大肠经、大肠的健康信息，也反映足阳明胃经、胃的健康信息。中指反映手厥阴心包经、心脏的健康信息，也反映足厥阴肝经、肝脏的健康信息。无名指反映手少阳三焦经的健康信息，也反映足少阳胆经、胆的健康信息。小指反映手少阴心经、心脏，手太阳小肠经、小肠的健康信息，也反映足少阴肾经、肾脏，足太阳膀胱经、膀胱的健康信息。。
求采纳
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