The answer is "source amnesia".
The powerlessness to recall the source of the data is what's known as source amnesia. In instances of source amnesia, a man will recollect the data or reality yet they won't have the capacity to recollect where, when, or from whom they learned it.Source amnesia tends to influence a man's explicit memory, which is the kind of memory that is utilized to effectively review everyday things like a companion's birthday or a doctor appointment etc.