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Atypical Language Development Study Notes

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Atypical Language Development
What causes Atypical Language Development?
- Some genetic basis
- Environmental causes
- E.g., exposure to harmful drugs during pregnancy
Hearing Impairment
- Hinders language acquisition
- About 30% of children with significant hearing loss may have other disabilities as well
- The age at which hearing loss is identified
- Prelingually deaf children
- Hearing loss present at birth (congenital)
- Hearing losses vary in severity and type
- Cochlear implants
Hearing Impairment and Language Development
- Working memory
- Lexical development
- Grammatical development
- Reading and writing
- Pragmatic skills
Educational Approaches
- American Sign Language
- Hearing children with typical development and delayed development
- Auditory verbal therapy
- Cued speech
Intellectual Disability
- Affects language acquisition
- 1% of school-aged children
- Levels of severity:
- Mild: IQ between 50 and 70
- Moderate: IQ between 35 and 50
- Severe: IQ between 20 and 35
- Profound: IQ below 20
- Varying causes
- Down syndrome
- Williams syndrome
- Fragile X syndrome
- Delayed patterns of language development
- Disproportionate difficulty with morphosyntactic skills and relatively less trouble
with pragmatic skills
Intellectual Disability: language Intervention

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- Start early
- Generalization of language skills is difficult
- A pragmatic approach, with functional communication as a primary goal
- Use of augmentative or alternative communication systems or devices
- Communication boards or sign systems
Autism Spectrum Disorders
- Recent changes in terminology and identification→ no more asperger's, etc
- Typically diagnosed after 2 years of age→ age of two word utterances
- Early “warning signs”
- SLP’s look for those red flags
- No joint attention, or very short joint attention (the difference is a subtle as 9ms)
- Often delayed in babbling
- Not variegated babbling
- Genetic factors
- Subtle neurological differences
- Weaknesses that underlie most cases
- Theory of mind: idea of knowing how your actions affect someone else
- Joint attention
- Symbol use
- Language development
- Abilities vary
- May know how to talk about one topic but not another
- limited research on morphological and syntactic skills
- Echolalia: repetition, It is not meaningful and is not shared
Autism Spectrum Disorders: Treatment
- General assumptions:
- As early as possible
- Intensive in scope and frequency
- Family involvement
- Systematic
- Focus on social and pragmatic aspect of communication
- Generalization
- Behavioral interventions
- Applied behavior analysis
- Socially and pragmatically based on programs
- TEACCH
- Nonverbal children:
- Augmentative alternative communication
Video: Even though speech sounded normal, there was little eye contact, less abstract vocabulary, more
unnatural blinking, etc.
Specific Language Impairment
- Late start with language development

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Atypical Language Development What causes Atypical Language Development? - Some genetic basis - Environmental causes - E.g., exposure to harmful drugs during pregnancy Hearing Impairment - Hinders language acquisition - About 30% of children with significant hearing loss may have other disabilities as well - The age at which hearing loss is identified - Prelingually deaf children - Hearing loss present at birth (congenital) - Hearing losses vary in severity and type - Cochlear implants Hearing Impairment and Language Development - Working memory - Lexical development - Grammatical development - Reading and writing - Pragmatic skills Educational Approaches - American Sign Language - Hearing children with typical development and delayed development - Auditory verbal therapy - Cued speech Intellectual Disability - Affects language acquisition - 1% of school-aged children - Levels of severit ...
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