Additionally, and depending on extent, children may demonstrate developmental delay or mental retardation 3. [radiopaedia.org]

RSTS is characterized by growth retardation, psychomotor developmental delay, microcephaly and a wide range of typical dysmorphic features ( facial dysmorphism, microcephaly, broad and duplicated distal phalanges of thumbs and halluces). [docksci.com]

Three weeks later patient’s conditions deteriorated and he was admitted to our department where psychomotor retardation, hypersomnia, short-term memory loss and a slight right facial nerve deficit were observed. [docksci.com]

These episodes may be associated to dysarthria, diplopia, dystonia and hemiplegia; 50% of patients also suffer from migraine. [docksci.com]