Other distinct features, which occur especially when cerebral cortical abnormalities are also present (SOD-plus), consist of significant generalized developmental delay and/or spastic motor deficits.

• 特别是当大脑皮质异常也存在时(SOD+)，常伴随一些显著的特征，如明显广泛性的发育延迟和（或）痉挛性运动缺陷。