Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) late-infantile neuronal ceroid lipofuscinosis ?
    ### Response:
    Late-infantile neuronal ceroid lipofuscinosis (NCL) is an inherited disorder that primarily affects the nervous system. The signs and symptoms of this condition typically begin in late infancy or early childhood. The initial features usually include recurrent seizures (epilepsy) and difficulty coordinating movements (ataxia).
    