Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Binswanger's disease ?
    ### Response:
    Binswanger's disease is a type of dementia caused by widespread, microscopic areas of damage to the deep layers of white matter in the brain. Most affected people experience progressive memory loss and deterioration of intellectual abilities (dementia); urinary urgency or incontinence; and an abnormally slow, unsteady gait (style of walking).
    