I am looking for a word that describes a situation where you cannot place somebody outside original context of meeting that person. Not a medical condition like prosopamnesia or prosopagnosia. Just one of those situations where the identity of the person is beyond your memory for some reason. Appreciate your help!

Selective amnesia might fit but not very well

http://onelook.com/?w=*%3Acannot+recall&ls=a

http://onelook.com/?w=*%3Aselective+recall&ls=a

http://onelook.com/?w=*%3Avague+memory&ls=a


Suspect it's one of those concepts for which there's no exact term, as in

http://wordsmith.org/board/ubbthreads.php/topics/187679/Need_adjective#Post187679

Dale, there is a birthday cake with candles on board for you. Congratulations. You haven't forgotten, have you?

happy birthday, dale!

http://onelook.com/?w=dale+birthday

Why, thank you Bran, Buff