| Development of a stutter |
| Phase |
Description |
Age |
| I |
- Disfluencies tend to be single syllable, whole word, or phrase repetitions, interjections, pauses, and revisions.
- The child will not exhibit visible tension, frustration or anxiety when speaking disfluently.
- Normal disfluency will occur when the child is learning to walk or refining motor skills.
- There are periods (days or weeks) of fluency and disfluency.
- Changes in the child's environment can cause normal disfluency.
|
2–6 |
| II |
- Disfluencies tend to be repetitions and sound prolongations.
- More than two disfluencies put together (for example, "Lllllets g-g-go there") and periods of fluency and disfluency come and go in cycles.
- The child demonstrates little awareness or concern about disfluencies but may express frustration.
|
2–6 |
| III |
- Disfluency most commonly occurs at the beginning of words or phrases.
- The child tends to be more disfluent when excited or upset.
- Repetitions are usually part-word as opposed to whole-word.
- Stuttering comes and goes in cycles, sometimes triggered by events and stressors.
- The child may show awareness that speech is difficult in addition to frustration.
|
2–6 |
| IV |
- Types of disfluencies include repetitions, prolongations, and blocks.
- Stuttering becomes chronic, without periods of fluency.
- Secondary behaviors appear (such as eye blinking, limb movements, lip movements).
- Stuttering tends to increase when the stutter is excited, upset or under pressure.
- Fear and avoidance of sounds, words, people, or speaking situations may develop.
- The person may feel embarrassment or shame surrounding the stuttering.
|
6–13 |
| V |
- Speech is characterized by frequent and noticeable interruptions.
- The person may have poor eye contact and use tricks to disguise the stuttering.
- The stutterer anticipates stuttering, and fears and avoids speaking.
- The person self-identifies as a stutterer and experiences frustration, embarrassment and/or shame.
- The person may choose a lifestyle where speaking can be avoided.
|
14+ |
| Valerie LaPorte (2001). Onset and Development. University of Minnesota, Duluth, Stuttering Home Page. Retrieved on 2007-09-22. |