Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Hereditary sensory neuropathy type IE ?
    ### Response:
    Hereditary sensory neuropathy type IE (HSNIE) is a progressive disorder of the central and peripheral nervous systems. Symptoms typically begin by age 20 to 35 and include sensory impairment of the lower legs and feet; loss of sweating in the hands and feet; sensorineural hearing loss; and gradual decline of mental ability (dementia).
    