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