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.
More early signs of Parkinson's. 4. Lack of facial expression. Loss of dopamine can affect the facial muscles, making them stiff and slow and resulting in a characteristic lack of expression. Some people refer to it as 'stone face' or 'poker face,' says neurologist Pam Santamaria, a Parkinson's expert at the Nebraska Medical Center in Omaha.