A study suggests that our more primitive primate relatives are capable of self-awareness.

A study of monkeys trained to play computer games has shown it is not just humans who feel self-doubt and uncertainty, the BBC reported.

US scientists found that macaques often "pass" rather than risk choosing the wrong answer in brainteaser tasks.

Awareness of our own thinking was believed to be a uniquely human trait. But the study, presented at the AAAS meeting in Washington DC, suggests that our more primitive primate relatives are capable of self-awareness. （點擊BBC網站查看原文）

猴子似人類會自我懷疑

???????據英國廣播公司報道，研究表明，在訓練猴子玩電腦游戲時，它表現出同人類相似的特性，即自我懷疑和猶豫不定。

???????美國科學家研究發現，獼猴在遇到難題時會選擇“過”（放棄這一題）而不是冒險選擇錯誤的答案。

???????我們原先認為這一特性是人類特有的。但在美國科學促進學會會議上提交的這份研究表明，與我們人類相似的靈長類動物也具備這種自我意識。