Summary1) Considering excellent faculties of a few deaf children in language, the verval defect of congenital aphasiacs in some cases at least–may be due to motoric dysfunction and not to auditory imperfection.2) A boy of “congenital aphasia” can not hear voices distinguishably which he can not arculate distinctively.3) Motor aphasic patients often mishear others' voices whose articulation (or pronunciation) is like each other.4) Aphasiacs are trying to comprehend the word not by auditory sensation of every syllable but by the general effect of the words.5) The hearing of aphasiacs is markedly disturbed by artificial noises.6) Aphasiacs and congenital aphasiac boys have poor auditory successive memory of voices even if their perception is correct, just as they have poor visual successive memory of letters.7) It is supposed that aphasiacs perceive voices by auditory perception alone, and that normal adults transform voices into patterns of speech, in order to make auditory perception accurately and, in addition, ke