Pick defines temporal agrammatism as follows: "... Temporally determined expressive agrammatism is characterized by erroneous grammatical constructions (paragrammatisms), in contrast to the frontal type with its telegraphic style... This temporally determined form is characterized, in pure cases, by disturbances in the use of auxiliary words, incorrect word inflections, and erroneous prefixes and suffixes... In contrast to motor agrammatism, the tempo of speech is not retarded, tending rather to logorrhea with intact sentence pattern and intonation. [...]"
- Bates & Friederici & Wulfeck (2004), Pag. 265-266