Most of us have experienced the odd feeling of deja vu,often regarded as a supernatural force or a glitch in the matrix.You may perform an action and suddenly feel as though you have done it in that exact l manner some time in your life.The feeling may even be 2 by a place or by spoken words,leaving some with the feeling they could 3 0r predict what happens next.Deja vu usually strikes without 4.But researchers from Colorado State University（CSU）have developed a technique to induce the feeling 5 using dynamic video sequences,6 previous experiment methods.Participants were led through virtual reality scenes 7 a junkyard or a hedge garden,which shared slight spatial similarities 8 were thematically unrelated.9 they could not"consciously remember the prior scene,"one researcher said,the participants"brain picked up on it and recognized"the similarity."The results showed deja vu"did not 10 above-chance ability to predict the next turn in a navigational path resembling a（n）11 experienced but unrecalled path,"although participants did report"12 feelings of knowing the direction of the next turn."Researchers 13 deja vu does not predict the future but makes people believe they can.It has been 14 as a"metamemory"phenomena,reflecting a（n）15 awareness of unspecific memories.Follow-up experiments are now being 16 by the team to look 17 the main cause behind the feeling of prediction.The studies hope to address（ ）it"s the familiarity process that 19 the feeling,or hindsight bias 20 people feel convinced they knew what was going to happen after it happens