Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Leigh syndrome, French Canadian type ?
    ### Response:
    What are the signs and symptoms of Leigh syndrome, French Canadian type? The Human Phenotype Ontology provides the following list of signs and symptoms for Leigh syndrome, French Canadian type. If the information is available, the table below includes how often the symptom is seen in people with this condition.
    