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Proponents assert that numbers larger than this generally require more restrictive rules, laws, and enforced norms to maintain a stable, cohesive group. It has been proposed to lie between 100 and 250, with a commonly used value of 150. Dunbar's number states the number of people one knows and keeps social contact with, and it does not include the number of people known personally with a ceased social relationship, nor people just generally known with a lack of persistent social relationship, a number which might be much higher and likely depends on long-term memory size.
Proponents assert that numbers larger than this generally require more restrictive rules, laws, and enforced norms to maintain a stable, cohesive group. It has been proposed to lie between 100 and 250, with a commonly used value of 150. Dunbar's number states the number of people one knows and keeps social contact with, and it does not include the number of people known personally with a ceased social relationship, nor people just generally known with a lack of persistent social relationship, a number which might be much higher and likely depends on long-term memory size.
支持者声称，拥有比邓巴数更多的社会关系的人通常需要更多限制性的规则，法律和强制性的规范来维持一个稳定的，具有凝聚力的群体。有人建议它位于100到250之间，通常使用的值为150。邓巴数表示的是一个人认识并持续保持社会关系的人数，它不包括已知但是与其社会关系实为中断的人数，也不包括一般认为缺乏持久社会关系的人数。因为如果将其也算进来，这个数字可能要高出很多，同时这也很可能取决于长期记忆的跨度。
Dunbar theorised that "this limit is a direct function of relative neocortex size, and that this in turn limits group size [...] the limit imposed by neocortical processing capacity is simply on the number of individuals with whom a stable inter-personal relationship can be maintained". On the periphery, the number also includes past colleagues, such as high school friends, with whom a person would want to reacquaint himself or herself if they met again.
Dunbar theorised that "this limit is a direct function of relative neocortex size, and that this in turn limits group size [...] the limit imposed by neocortical processing capacity is simply on the number of individuals with whom a stable inter-personal relationship can be maintained". On the periphery, the number also includes past colleagues, such as high school friends, with whom a person would want to reacquaint himself or herself if they met again.
邓巴推论说: “这个极限是相对新大脑皮层大小的直接函数，反过来它又限制了群体的大小。新大脑皮层处理能力的极限仅仅是与之保持稳定人际关系的个体的数量。“从定义的边缘看，这个数字还包括过去的同事，比如高中时期的朋友，如果他们再次见面，他们会想要重新认识自己。