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.
When this part of the brain is damaged on both sides, for example by a stroke, people can no longer recognise faces, a condition known as prosopagnosia. This is not due to generalised visual problems; reading books, seeing motion and enjoying colour pose no difficulties to someone with prosopagnosia.