The aphasic person is excessively nervous as is the stutterer; he undergoes the same anxiety to get his words out and the same fear of being ridiculous.
"Stammering, Its Cause and Cure"
Benjamin Nathaniel Bogue
A person who is aphasic may be competent to make a will.
"Aids to Forensic Medicine and Toxicology"
W. G. Aitchison Robertson
In this latter case the aphasic patient can readily imitate speech so long as he hears it, can imitate writing so long as it lies before him, but can not do any independent speaking or writing for himself.
"The Story of the Mind"
James Mark Baldwin