Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Aicardi-Goutieres Syndrome Disorder ?
    ### Response:
    Aicardi-Goutieres syndrome (AGS) is an inherited encephalopathy that affects newborn infants and usually results in severe mental and physical handicap. There are two forms of the syndrome: an early-onset form that is severe, and a late-onset form that has less impact upon neurological function.
    