Barbara A. Lewis, Lisa A. Freebairn, Amy J. Hansen, Lara Miscimarra, Sudha K. Iyengar, H. Gerry Taylor Emily Marshall

 To determine whether or not a parent’s history of speech sound disorders affects their children  To determine the residual effects of speech sound disorders that carry over into adulthood

 147 parents ◦ 36 parents reported being enrolled in speech therapy as a child ◦ 12 of those parents had speech and language problems  The children of these parents ranged from 4- 6 years old ◦ Moderate to severe speech sound disorder ◦ No hearing impairments ◦ Normal speech mechanism ◦ No neurological disorders ◦ Normal intelligence

 Parents were tested in the following areas: ◦ Speech sound production  Multisyllabic Word Repetition Task  Tongue Twister Task ◦ Phonological processing skills  Nonsense Word Repetition Task  Pig Latin task ◦ Spelling skills  Test of Written Spelling ◦ Reading skills  Subtests of Woodcock Reading Mastery Tests ◦ Language skills  CELF ◦ Oral motor skills  Time-by-Count Test of Diadochokinetic Syllable Rate

 Parents with a history of speech sound disorders performed worse than parents with no history of speech or language problems  “modest but significant family aggregation of SSD”  “more significant family aggregation of LI”  Speech sound disorders affect a person throughout his/her lifetime