Déjà vu's explanation, feeling of knowing, and tip-of-the-tongue phenomenon are crucial aspects of memory.
Déjà vu does not occur when a new experience triggers emotional childhood memories repressed into the unconscious; it is more related to the feeling of having already experienced a current situation. The feeling of knowing is associated with one's ability to predict their memory's success. In contrast, the tip-of-the-tongue (TOT) phenomenon represents the feeling that a memory is present but temporarily unreachable. People can have partial memories due to memory errors and encoding failures.
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