What is jamais vu, often described as the opposite of déjà vu?
Jamais vu, French for 'never seen' and often described as the opposite of déjà vu, is a phenomenon wherein a person experiences a feeling of unfamiliarity or strangeness from something that is familiar. "Jamais vu happens when there's a disconnect between your senses and...memory," neurologist Dr Jean Khoury said. It can potentially be triggered by sleep deprivation, mental fatigue, etc.