Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Troyer syndrome ?
    ### Response:
    What are the signs and symptoms of Troyer syndrome? The signs and symptoms of Troyer syndrome can vary, and some people are more severely affected than others. Symptoms typically begin in early childhood. Most affected children have delays in walking and talking, followed by slow deterioration in both manner of walking (gait) and speech.
    