Genetic influences on learning disabilities and speech and language disorders.

B. F. Pennington, S. D. Smith

Research output: Contribution to journalReview article

67 Citations (Scopus)

Abstract

This paper is a comprehensive review of known examples of genetically influenced learning disabilities (LDs) and speech and language disorders (SLDs). The review is divided between 2 broad classes of studies: (a) those which begin with an LD or SLD phenotype that appears to be familial and attempt to learn more about the specifics of genetic transmission, if any; and (b) those which begin with a group of individuals, all of whom share a given documented genetic risk factor, to see if it leads to a specific LD or SLD. Included in the first category are familial dyslexia, stuttering, and other speech and language disorders. In the second category are included sex chromosome anomalies, treated PKU, and minor autosomal anomalies. Issues of definition, variability, and developmental changes in the cognitive phenotype are discussed throughout. The implications of this work for our understanding of cognitive development and its bases in brain development and genetics are also discussed.

Original languageEnglish (US)
Pages (from-to)369-387
Number of pages19
JournalChild development
Volume54
Issue number2
DOIs
StatePublished - Apr 1983

Fingerprint

Language Disorders
Speech Disorders
Learning Disorders
learning disability
language
Phenotype
Stuttering
Dyslexia
Sex Chromosomes
dyslexia
cognitive development
brain
Brain
Group

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Education
  • Developmental and Educational Psychology

Cite this

Genetic influences on learning disabilities and speech and language disorders. / Pennington, B. F.; Smith, S. D.

In: Child development, Vol. 54, No. 2, 04.1983, p. 369-387.

Research output: Contribution to journalReview article

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