Are Specific Language Impairment and Dyslexia Distinct Disorders?
Bibliographic Data
| ID | 23355387 |
|---|---|
| Authors | Hugh W Catts (0000-0001-9522-7758, University of Kansas, Lawrence), Suzanne M Adlof (0000-0002-0156-7231, University of Kansas, Lawrence), Tiffany P Hogan (0000-0003-2160-6995, University of Kansas, Lawrence), Susan Ellis Weismer (0000-0003-3484-9910, University of Wisconsin–Madison) |
| Year | 2005 |
| Volume | 48 |
| Issue | 6 |
| Pages | 1378-1396 |
| Publication date | 2005-12-01 |
| Peer Reviewed | Yes |
| Open Access | No |
| Type | ARTICLE |
| Venue | Journal of Speech, Language, and Hearing Research (JOURNAL) |
| Journal identifiers | ISSN: 1092-4388 • E-ISSN: 1558-9102 |
| Publisher | American Speech Language Hearing Association (PUBLISHER) |
| DOI | 10.1044/1092-4388(2005/096) |
| PMID | 16478378 |
| PMCID | PMC2853030 |
| OpenAlex | W2172145194 |
| Language | EN |
| Citations received | 69 |
| References cited | 78 |
Purpose: The purpose of this study was to determine whether specific language impairment (SLI) and dyslexia are distinct developmental disorders. Method: Study 1 investigated the overlap between SLI identified in kindergarten and dyslexia identified in 2nd, 4th, or 8th grades in a representative sample of 527 children. Study 2 examined phonological processing in a subsample of participants, including 21 children with dyslexia only, 43 children with SLI only, 18 children with SLI and dyslexia, and 165 children with typical language/reading development. Measures of phonological awareness and nonword repetition were considered. Results: Study 1 showed limited but statistically significant overlap between SLI and dyslexia. Study 2 found that children with dyslexia or a combination of dyslexia and SLI performed significantly less well on measures of phonological processing than did children with SLI only and those with typical development. Children with SLI only showed only mild deficits in phonological processing compared with typical children. Conclusions: These results support the view that SLI and dyslexia are distinct but potentially comorbid developmental language disorders. A deficit in phonological processing is closely associated with dyslexia but not with SLI when it occurs in the absence of dyslexia.
Audiology · Biological theories of dyslexia · Cognition · Cognitive psychology · Communication disorder · Developmental dyslexia · Developmental psychology · Dyslexia · Language disorder · Linguistics · Literacy · Phonological awareness · Phonology · Reading (process) · Specific language impairment · Language Development and Disorders · Medicine · Neuroscience · Psychology · Reading and Literacy Development · Stuttering Research and Treatment
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| Unique citing works | 69 |
|---|---|
| Citations per year | 3,45 |
| Citation span | 2006 - 2026 (21) |
| Citation velocity | current |
| Highly cited | No |
| Citation types | Neutral: 60 |