Below is an instruction from Human. Write a response.
    ### Instruction:
    What is the outlook for Coma ?
    ### Response:
    The outcome for coma and persistent vegetative state depends on the cause, severity, and site of neurological damage. Individuals may emerge from coma with a combination of physical, intellectual, and psychological difficulties that need special attention. Recovery usually occurs gradually, with some acquiring more and more ability to respond.
    