Familial Aggregation in Specific Language Impairment

Tallal, Paula; Ross, Randal G.; Curtiss, Susan

doi:10.1044/jshd.5402.167

Cited by 290 publications

(135 citation statements)

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“…Nine studies conducted in English-speaking populations [36][37][38][39][40][41][42][43][44] and 7 studies from non-English-speaking populations 45-51 met inclusion criteria ( Table 2). The most consistently reported risk factors include a family history of speech and language delay, male gender, and perinatal risk factors; however, their role in screening is unclear.…”

Section: Key Question 2a: Does Identification Of Risk Factors Improvementioning

confidence: 99%

Screening for Speech and Language Delay in Preschool Children: Systematic Evidence Review for the US Preventive Services Task Force

et al. 2006

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BACKGROUND. Speech and language development is a useful indicator of a child's overall development and cognitive ability and is related to school success. Identification of children at risk for developmental delay or related problems may lead to intervention services and family assistance at a young age, when the chances for improvement are best. However, optimal methods for screening for speech and language delay have not been identified, and screening is practiced inconsistently in primary care.

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Section: Key Question 2a: Does Identification Of Risk Factors Improvementioning

confidence: 99%

Screening for Speech and Language Delay in Preschool Children: Systematic Evidence Review for the US Preventive Services Task Force

et al. 2006

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“…Early evidence came from the co-aggregation of SSD and LI within families (Felsenfeld et al, 1995;Gopnik & Crago, 1991;Lahey & Edwards, 1995;Lewis, 1992;Neils & Aram, 1986;Rice, Haney, & Wexler, 1998;Shriberg & Kwiatkowski, 1994;Spitz, Tallal, Flax, & Benasich, 1997;Tallal, Ross, & Curtiss, 1989;Tomblin, 1989). According to these studies, 23-56% of first degree family members of individuals with speech/language disorders are affected with one or both disorders.…”

Section: Genetic Support For the Subtyping Of Ssdmentioning

confidence: 99%

Dimensions of early speech sound disorders: A factor analytic study

Lewis

Freebairn

Hansen

et al. 2006

Journal of Communication Disorders

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The goal of this study was to classify children with speech sound disorders (SSD) empirically, using factor analytic techniques. Participants were 3-7-year olds enrolled in speech/language therapy (N = 185). Factor analysis of an extensive battery of speech and language measures provided support for two distinct factors, representing the skill dimensions of articulation/phonology and semantic/ syntactic skills. To validate these factors, 38 of the children were followed to school age to re-evaluate speech and language skills and assess reading/spelling achievement. The validity of the two factors was supported by their differential associations with school-age reading and spelling achievement, persistence of SSD, and affection status in family members. A closer relationship of the family member to the proband and male gender predicted higher odds of a disorder. The findings suggest that articulation/phonology and language abilities are at least partially independent in children with SSD and that these constructs have distinct clinical and biological correlates. Learning outcomes: The reader will develop knowledge about subtypes of speech sound disorders, understand the relationship between early speech sound disorders and later reading and spelling difficulties, and obtain information concerning familial transmission of speech sound disorders. #

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“…Hence, we do not know relative rates of speech-sound disorders in these other types of families. There is, nevertheless, considerable evidence that speech-sound and language disorders aggregate within families (Felsenfeld, McGue, & Broen, 1995;Gopnik & Crago, 1991;Lahey & Edwards, 1995;Lewis, 1992;Neils & Aram, 1986;Rice, Haney, & Wexler, 1998;Shriberg & Kwiatkowski, 1994;Spitz, Tallal, Flax, & Benasich, 1997;Tallal, Ross, & Curtiss, 1989;Tomblin, 1989). Findings from these studies indicate that 23-40% of firstdegree family members of individuals with speech-sound/language disorders are affected.…”

Section: Limitations Of Previous Studiesmentioning

confidence: 99%

Family pedigrees of children with suspected childhood apraxia of speech

Lewis

Freebairn

Hansen

et al. 2004

Journal of Communication Disorders

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Forty-two children (29 boys and 13 girls), ages 3-10 years, were referred from the caseloads of clinical speech-language pathologists for suspected childhood apraxia of speech (CAS). According to results from tests of speech and oral motor skills, 22 children met criteria for CAS, including a severely limited consonant and vowel repertoire, difficulty sequencing syllables, and inconsistent and unusual errors. Family pedigrees for these children were constructed through parent interviews and direct testing of nuclear family members. Familial aggregation for speech-sound and language disorders was demonstrated with 86% reporting at least one nuclear family member affected. Based on parent report, 13 of the 22 children (59%) had at least one affected parent. However, CAS was evident in only two siblings of probands with CAS and two probands with other speech-sound disorders. Based on testing, overall affection rates of speech-sound/language disorders were higher in families of children with CAS than in families of children with other speech-sound disorders.Mothers of children with CAS demonstrated a higher affection rate than mothers of children with other speech-sound disorders. A sex-related threshold model of transmission was also supported with brothers more often affected than sisters for male probands only. If our inclusionary criteria for CAS are valid, these findings support a general verbal trait deficit hypothesis. Learning outcomes: (1) As a result of this activity, the participant will understand potential familial risk factors for CAS; (2) will differentiate aggregation for speech-sound and language disorders in families with CAS from families of children who have other speech-sound disorders; (3) will

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Familial Aggregation in Specific Language Impairment

Cited by 290 publications

References 0 publications

Screening for Speech and Language Delay in Preschool Children: Systematic Evidence Review for the US Preventive Services Task Force

Screening for Speech and Language Delay in Preschool Children: Systematic Evidence Review for the US Preventive Services Task Force

Dimensions of early speech sound disorders: A factor analytic study

Family pedigrees of children with suspected childhood apraxia of speech

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