Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Behr syndrome ?
    ### Response:
    What are the signs and symptoms of Behr syndrome? People with Behr syndrome typically have visual disturbances (e.g. optic atrophy, nystagmus), ataxia, and spasticity. Other signs and symptoms that may be present in patients with Behr syndrome include intellectual disability, loss of bladder control, and variable pyramidal tract dysfunction (e.
    