Cryptomnesia
One of the most fascinating disorder is cryptomnesia, which is a type of memory impairment. In this case a person doesn’t remember events, which occurred in the past or they don’t know if they were dreams or reality. The sick person loses the sense of reality of the surrounding world. There is a kind of chaos in a memory. You are not sure your own experience and you have the tendency to identify other people’s thoughts and ideas as your own. This is called "subconscious plagiarism." Cryptomnesia often goes hand in hand with jamais vu, the opposite of deja vu, when suddenly there is a feeling that an often-visited place seems to be new and unusual, as it would be seen for the first time. Scientists didn’t discover, what causes cryptomnesia. Probably information overload is the problem. https://dictionary.apa.org/cryptomnesia https://warwick.ac.uk/fac/sci/psych/people/fsch/fsch/studentresources/3rdyearprojects/projects/plag2.pdf