Sheldon met a woman in the library and immediately thought he knew her. he asked "have i met you before? " she replied "no" and walked away, assuming he was trying to ask her out. this could have been an example of

The scenario is an example of déjà vu. Déjà vu is a form of experience or an individual experiencing a certain situation where he or she likely experienced it happen before or the person has already felt that he or she experienced a certain situation in the past.

answer; in small towns;

answer; motor learning;