Did anyone notice his abnormal behaviour?

有没有人注意到他反常的行为？

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Abnormal psychology is the branch of psychology concerned with the abnormal behaviour and functioning of organism.

变态心理学是研究有机体的变态行为和功能的心理学分支。

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It is necessary to examine the correlates and properties of an objectively defined aspect of abnormal behaviour or experience.

有必要考察变态行为或体验的客观方面的性质和相关物。

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Researchers from Bristol University studied 77 animals in 13 zoos and found that almost half of the elephants displayed abnormal behaviour.

BBC: Elephants 'die earlier in zoos'

The abnormal behaviour declined and the chimps began to play together.

BBC: Lab chimps successfully treated with anti-depressants

But Dr Kranendonk found that the abnormal behaviour actually increased.

BBC: Lab chimps successfully treated with anti-depressants