Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Succinic semialdehyde dehydrogenase deficiency ?
    ### Response:
    What are the signs and symptoms of Succinic semialdehyde dehydrogenase deficiency? People with succinic semialdehyde dehydrogenase deficiency (SSADH) typically have developmental delay, especially involving speech development; intellectual disability; and decreased muscle tone (hypotonia) soon after birth.
    