Maybe you can put the frequency of the higher pitches as high so you can detect the sound quicker and That's it exactly.

大概是把频率调到更高的音高后,就能更敏捷地感觉到声音的变化,而那就是原因了

耶鲁公开课 - 聆听音乐课程节选

Skinner, in his book Verbal Behavior, talks about the question of why do we do things like talk to ourselves, imitate sounds, create art, give bad news to an enemy, fantasize about pleasant situations?

斯金纳在其《言语行为》一书中，描述了我们展现各种行为的原因,如自言自语，声音模仿，创造艺术，向敌人散布坏消息，幻想美好情景等等？

耶鲁公开课 - 心理学导论课程节选