It sounds like low self-esteem to me. However, CalTech did refer to it in order to emotionally support those suffering. The following is their take upon things.
https://counseling.caltech.edu/gener...urces/Impostor
The gist of it:
Quote:
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Impostor syndrome can be defined as a collection of feelings of inadequacy that persist even in face of information that indicates that the opposite is true. It is experienced internally as chronic self-doubt, and feelings of intellectual fraudulence...It is basically feeling that you are not really a successful, competent, and smart student, that you are only imposing as such.
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