100% |
Reduced words per breath group relative to maximum vowel duration
Lengthened intersegment durations (between sounds, syllables, words, or phrases; possibly filled, including intrusive schwa)
|
90% |
|
80% |
Increased sound distortions or distorted sound substitutions with increased utterance length or increased syllable/word articulatory complexity
Inaccurate (off-target in place or manner) speech AMRs
Syllable segmentation across words in phrases/sentences
Deliberate, slowly sequenced, segmented, and/or distorted (including distorted substitutions) speech SMRs in comparison to speech AMRs
|
70% |
Distorted sound substitutions
Distorted sound additions (not including intrusive schwa)
Slow overall speech rate
Audible or visible articulatory groping; speech initiation difficulty; false starts/restarts
Sound prolongations (beyond the patient’s likely lengthened vowel and consonant segments)
|
40–60% |
|