Social Security Administration. The Social Security Administration assigns social security numbers; administers the retirement, survivors, and disability insurance programs known as Social Security; and administers the Supplemental Security Income program for the aged, blind, and disabled. SSA.
Prosopagnosia is a neurological disorder characterized by the inability to recognize faces. Prosopagnosia is also known as face blindness or facial agnosia.
One of the oldest and most basic examples of a characteristic that is used for recognition by humans is the face. Since the beginning of civilization, humans have used faces to identify known (familiar) and unknown (unfamiliar) individuals.