Episode 23 - SLI vs DLD, misconceptions about SLI, early identification of SLI, and the genetics of SLI with Mabel Rice
Jan 6, 2020
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Guest Mabel Rice discusses misconceptions about SLI, early identification, and genetics. Topics include nuances between SLI and DLD, using apps for language assessment, emotional struggles in the IEP process, and exciting projects in reading instruction.
Early identification of Specific Language Impairment (SLI) is crucial for tailoring effective interventions based on specific language deficits.
Genetic factors, alongside environmental and neurobiological differences, play a significant role in the development of language impairments.
Deep dives
Understanding the Difference Between Specific Language Impairment, Developmental Language Disorder, and Non-Specific Language Impairment
Specific Language Impairment (SLI) is a communication disorder affecting language skills in children without hearing loss or intellectual disabilities. Non-Specific Language Impairment encompasses children with lower nonverbal IQs. Developmental Language Disorder (DLD) includes children with no known biomedical etiology but risks of neurobiological or environmental factors.
Precision Medicine Analogy in Language Impairment
The podcast draws parallels between SLI and precision medicine, referencing breast cancer screening as a comparison. The importance of early identification akin to early detection in medical practice is highlighted. Diagnostic precision is crucial to tailor interventions effectively based on specific language deficits.
Grammar Marker and Early Identification of Language Impairment
Studies on a grammar marker in SLI children reveal differences in mastering specific grammatical rules. Children with SLI may be delayed in acquiring language skills. Early identification involves assessing vocabulary, sentence formulation, and grammar understanding to tailor interventions effectively.
Genetics and Heritability in Language Impairment
Twin studies indicate heritability in language impairment traits, with higher similarity in identical twins than fraternal twins. Genetic factors influence language development, revealing specific markers tied to language deficits. While genetics play a role, environmental factors and neurobiological differences also contribute to language impairments.