在短暂的时间内能够感受到的客体对象的数目attention span

• 气质是行为表现形式，能反映出儿童活动水平、注意广度等。

  Temperament is a behavioural manifestation that can reflect the activity levels and attention span of children.

• 通过大剂量应用维生素B6，可增加注意广度和对学习的兴趣。

  Large doses of vitamin B6 can increase one's attention span and interest in learning.