Genetic factors in the ontogeny of spoken language
Evidence from monozygotic and dizygotic twins
Bibliographic Data
| ID | 20366388 |
|---|---|
| Authors | John Locke (0000-0003-4998-3127, Harvard University, corresponding author), John L Locke, Patricia L Mather (Northeastern Illinois University) |
| Year | 1989 |
| Volume | 16 |
| Issue | 3 |
| Pages | 553-559 |
| Publication date | 1989-10-01 |
| Peer Reviewed | Yes |
| Open Access | Yes |
| Type | ARTICLE |
| Venue | Journal of Child Language (JOURNAL) |
| Journal identifiers | ISSN: 0305-0009 • E-ISSN: 1469-7602 |
| Publisher | Cambridge University Press (CUP) (PUBLISHER) |
| DOI | 10.1017/s0305000900010710 |
| PMID | 2808573 |
| OpenAlex | W2152266947 |
| Language | EN |
| Citations received | 3 |
| References cited | 12 |
Recent controversy about the innateness of language has awakened interest in the genetic basis of linguistic development. In this study, we analysed more extensively data from Mather & Black (1984).in order to test the hypothesis that the speech articulation of monozygotic (MZ) twins would be qualitatively more similar than that of age- and sex-matched dizygotic (DZ) twins. Analyses revealed that 4–year-old MZ twin pairs were significantly more likely to misproduce the same sounds on an articulation test than were DZ twin pairs, and that DZ twins were no more likely to share errors than were children who were both genetically and environmentally unrelated. There was no evidence that MZ twins made more similar errors than DZ twins, and indeed it was difficult to make this determination since only broad categories of error (substitution, distortion, omission) were available for analysis. The greater amount of genetic material shared by MZ twins, and the presumably more similar morphology of their speech mechanisms, may have caused certain sound patterns to be of more nearly equal difficulty for both members of a MZ pair. However, these findings need to be confirmed with phonetically more detailed analyses
Biology · Developmental psychology · Dizygotic twin · Dizygotic twins · Heritability · Language development · Monozygotic twin · Twin study · Animal Vocal Communication and Behavior · Language and cultural evolution · Language Development and Disorders · Psychology · Genetics
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| Unique citing works | 3 |
|---|---|
| Citations per year | 0,12 |
| Citation span | 2001 - 2022 (22) |
| Citation velocity | historical |
| Highly cited | No |
| Citation types | Neutral: 2 |