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Stuttering Symptoms

The essential feature of stuttering is a disturbance in the normal fluency and time patterning of speech that is inappropriate for the individual’s age. This disorder is most commonly diagnosed in childhood.

At the onset of stuttering, the speaker may not be aware of the problem, although awareness and even fearful anticipation of the problem may develop later. The speaker may attempt to avoid stuttering by linguistic mechanisms (e.g., altering the rate of speech, avoiding certain speech situations such as telephoning or public speaking, or avoiding certain words or sounds). Stuttering may be accompanied by motor movements (e.g., eye blinks, tics, tremors of the lips or face, jerking of the head, breathing movements, or fist clenching).

Stress or anxiety have been shown to exacerbate stuttering. Impairment of social functioning may result from associated anxiety, frustration, or low self-esteem. In adults, stuttering may limit occupational choice or advancement. Phonological disorder and expressive language disorder occur at a higher frequency in individuals with stuttering than in the general population.

Specific Symptoms of Stuttering

Disturbance in the normal fluency and time patterning of speech (inappropriate for the individual’s age), characterized by frequent occurrences of one or more of the following:

  • sound and syllable repetitions
  • sound prolongations
  • interjections
  • broken words (e.g., pauses within a word)
  • audible or silent blocking (filled or unfilled pauses in speech)
  • circumlocutions (word substitutions to avoid problematic words)
  • words produced with an excess of physical tension
  • monosyllabic whole-word repetitions (e.g., “I-I-I-I see him”)

The disturbance in fluency interferes with academic or occupational achievement or with social communication.

If a speech-motor or sensory deficit is present, the speech difficulties are in excess of those usually associated with these problems.


John M. Grohol, Psy.D.

Dr. John Grohol is the founder and Editor-in-Chief of Psych Central. He is an author, researcher, and expert in mental health online, and has been writing about online behavior, mental health and psychology issues since 1995. Dr. Grohol has a Master's degree and doctorate in clinical psychology from Nova Southeastern University. Dr. Grohol sits on the editorial board of the journal Computers in Human Behavior and is a founding board member of the Society for Participatory Medicine. You can learn more about Dr. John Grohol here.

APA Reference
Grohol, J. (2020). Stuttering Symptoms. Psych Central. Retrieved on July 1, 2020, from https://psychcentral.com/disorders/stuttering-symptoms/
Scientifically Reviewed
Last updated: 1 Jul 2020 (Originally: 17 May 2016)
Last reviewed: By a member of our scientific advisory board on 1 Jul 2020
Published on Psych Central.com. All rights reserved.