| PPA variant | Transcription | Phonemic error | Distortion error | Distorted substitution |
|---|---|---|---|---|
| nfvPPA | kətæstrəf1I | no | yes | no |
| kəntæstrIfI | yes | no | no | |
| kət͡ʃræsɚ3vI | yes | yes | yes | |
| kItɑstɚfI | yes | no | no | |
| kət5æstɚfI | yes | yes | no | |
| kæt5æstruf5rI | yes | yes | no | |
| kætæstrIʃf1I | yes | yes | no | |
| t͡ʃæ10bɚ | yes | yes | no | |
| d͡ʒ1æbɚ | no | yes | no | |
| d͡ʒɛbɚ | yes | no | no | |
| d͡ʒ1æ10pɚ | yes | yes | no | |
| d͡ʒ1æbɚ | no | yes | no | |
| d͡ʒ1æbɚ | no | yes | no | |
| d͡ʒæbə | yes | no | no | |
| d͡ʒɛbɚ | yes | no | no | |
| lvPPA | kɛstrækɚI | yes | no | no |
| kət5æs5tɚfi | yes | yes | no | |
| nItæstɚfrI | yes | no | no | |
| tətæʃtɚfI | yes | no | no | |
| kənt͡ʃæʃtrəfI | yes | no | no | |
| d͡ʒæ10bɚ | no | yes | no | |
| t͡ʃ4æbɚ | yes | yes | yes | |
| d͡ʒ8æbɚ | no | yes | no | |
| d͡ʒæb5ɚ | no | yes | no | |
| d͡ʒ4ɛbɚ | yes | yes | no | |
| svPPA | gətæstrəf1I | yes | yes | no |
| k4ətæʃtrəfI | yes | yes | no | |
| d͡ʒæb4ɚ | no | yes | no | |
| d͡ʒ1ɛbɚ | yes | yes | no | |
| jæ10bɚ | yes | yes | no |
Note. PPA = primary progressive aphasia; nfvPPA = nonfluent variant of PPA; lvPPA = logopenic variant of PPA; svPPA = semantic variant of PPA.
Voicing ambiguity.
Rhotic ambiguity.
Lengthened.
Retracted tongue body.
Raised tongue body.