As babies engage with caregivers, they soon realize that, well, there is something in between the ears that is very important -- it's invisible, you can't see -- but is really critical, and that thing is called attention.
世話をする人と交流し 赤ん坊は気付く 「両耳の間には何かがあるな」 重要なもの 目には見えないが とても大事なもの ｢注目｣です