London School Economics Professor, Nicholas Humphrey, says that perhaps humans lost their photographic memories because there was something to be gained by it.

伦敦经济学院博士修佛瑞表示，人类可能丧失了图像记忆力，因为为了要获取其他能力。

youdao

Psychologist Nicholas Humphrey coined the term "the biological advantage of being awestruck" to describe his theory on why our unique ability to be enthralled was, somehow, biologically selected for in a Darwinian sense.

CNN: Can ideas get you high?