several days or weeks and then be hardly noticeable again for weeks or months and could return again following this until the behavior is outgrown. Usually, children with normal dysfluencies such as these appear to be unaware that they are occurring and show no signs of surprise or frustration. It is evident that the child is not struggling to speak but rather taking more time to complete a thought or sentence. See also ADHD Aphasia Articulation disorder Child development Language disorder Learning disability References Sources Trubo, Richard (2001). "Stuttering". The New Book Of Knowledge - Health and Medicine: 112–123. United States of America: Grolier Incorporated. . Note: This annual was also published under the title The 2001 World Book Health & Medical Annual, United States of America: 2001 World Book, Inc. Stuttering (disfluency). Cincinnati Children's. (n.d.). Retrieved November 22, 2021, from . Speech disorders Developmental disabilities Human development Child development