sentence: Those who met at least four out of the following six operational criteria : 1 ) fluent output , 2 ) normal or mildly impaired comprehension skills , 3 ) normal or mildly impaired repetition , 4 ) moderate to severe anomia characterised by semantic paraphasias , neologisms and perseverations , 5 ) hypophonia and / or mild articulation deficits and 6 ) reduction of spontaneous speech or verbal aspontaneity , were given the diagnosis of thalamic aphasia .