The inability to recognize familiar faces even though one can clearly see and describe features of the faces is associated with damage to the

Damage to the fusiform gyrus results in prosopagnosia or face-blindness.

Anxiety disorders, attention deficit hyperactivity disorder (adhd, add), and autism spectrum disorder (asd). (source: )

Depression is lifelong, though you can get medication to with it. the difference between sadness and depression is that sadness lasts a little bit, depression last a long time and it goes on and off. people usually get depression through experiences they have been through, or genetics.