Using the Deese-Roediger-McDermott(DRM) paradigm,the different effects of warning and presentation duration on false recognition and false recall were examined.

Learners tend to be confident in thinking that they have learnt the lures rather than words never learnt before,which is called false recognition.

Qualitative differences in performance were established across perception with and without awareness, based on a phenomenon: false recognition, which is .

Analyzing from the angle of psychology,it is obvious that inaccurate identification,biased corroboration and psychological implication are the main causes of current misjudged criminal cases,which provides us with theoretical and practical gist in reducing occurrence of such cases.

What is the relationship between imaginary defence and untimely defence or defence against the third party? How can we distinguish imaginary defence from cognitive mistake in criminal law? The understanding to these questions isn t distinct yet.