Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Familial hemiplegic migraine type 2 ?
    ### Response:
    What are the signs and symptoms of Familial hemiplegic migraine type 2? The symptoms and severity can vary considerably among people with hemiplegic migraine. Signs and symptoms associated with aura may include: Visual disturbance (e.g. blind spots, flashing lights, zigzag pattern, and double vision) Sensory loss (e.
    