Sometimes when I meet new people, I feel like I have seen them before. Their faces might look similar to people's faces, I have really meet before. 
Is this related to a kind of face-blindness?

The wiki article on [Difficulties with Facial Recognition](http://en.wikipedia.org/wiki/Memory_and_social_interactions#Difficulties_with_Facial_Recognition) gives:

>Prosopagnosia is an inability to identify faces and face-like objects. This represents a failure to encode incoming visual information. Neurological studies indicate that prosopagnosia is associated with bilateral lesions of the central visual system, primarily located in the mesial occipitotemporal region. 

I don't have problems with identifying faces, I just group them too often. What happens in my brain?