Developmental Disabilities: Overview and Definitions
- Developmental disabilities include a wide range of conditions that affect development across multiple domains.
- Examples mentioned: intellectual disabilities, autism, cerebral palsy, Down syndrome, fetal alcohol syndrome, sensory impairments (hearing loss, visual impairment), and various genetic conditions.
- Kids with developmental disabilities may not share a single cause or pattern; there is variability in how and when areas are affected.
- Common misconceptions clarified in discussion:
- Boys are at greater likelihood/prevalence for some disabilities, but boys are not an inherently at-risk population; risk factors exist beyond gender.
- Being from a low-income background or other contextual factors increases risk but does not cause a disorder.
- At-risk vs at-risk population:
- At-risk factors discussed include low SES, low parental education, family history, international adoption, abuse/neglect, and low birth weight (even if term).
- These factors increase likelihood of communication and developmental challenges but are not determinative on their own.
- Importance for SLPs:
- Early detection and ongoing support for children with developmental disabilities, particularly when impairments are in receptive/expressive language, feeding/swallowing, social communication, or cognitive communication.
- Distinctions introduced:
- Social communication vs. cognitive communication (defined and differentiated below).
- Core question for early language development:
- What is the function of a child’s language? How do early children express different functions (e.g., requesting, commenting, labeling, clarifying, expressing emotions)?
- Early functions (pragmatic goals) discussed include:
- Requesting/needs-based communication (e.g., crying when hungry or needing something to eat or cook).
- Clarification: seeking more information or ensuring understanding.
- Expressing emotion or feelings.
- Commenting about the environment or ongoing events.
- Labeling: naming objects or events.
- Note on development of communicative intent:
- Early intervention focuses on understanding these communicative functions to target development in natural contexts.
Social vs. Cognitive Communication: Concepts and Significance
- Social communication: why and how children communicate to engage with others (pragmatic functions, interactional skills).
- Cognitive communication: how cognition underpins communication (attention, executive function, processing, perspective-taking).
- Foundational link:
- Attention and joint attention (the ability to coordinate attention with another person toward an object) are foundational for both communication and cognition.
Early Intervention (IDEA) Overview
- IDEA (Individuals with Disabilities Education Act) supports infants and toddlers with delays or disabilities and their families.
- Key timeframes:
- Birth to three: IDEA Part C (early intervention).
- Three to five: IDEA Part B (preschool services).
- Service environment and philosophy:
- Least Restrictive Environment (LRE) principle applies; for birth-3, the natural environment is emphasized (home, day care, community settings).
- Family-centered services: interventions are built around the family’s needs and routines.
- Core components and processes:
- Screening, identification, assessment, and intervention are part of the service delivery model.
- Screening and identification involve identifying red flags and at-risk children in the community (e.g., workshops, education, parent materials).
- Culturally and linguistically appropriate detection strategies are essential for diverse populations.
- Evaluation and assessment are used to determine eligibility and establish baseline functioning.
- Eligibility vs. diagnosis:
- Eligibility for Part C is based on developmental delays or diagnosed conditions and varies by state.
- Diagnosis is a separate determination from eligibility (eligibility is for access to services; diagnosis may specify a disorder).
- Comprehensive evaluation domains (Part C): evaluate five developmental domains:
- Communication skills (expressive, receptive language, preverbal skills).
- Cognition.
- Physical abilities (gross motor and fine motor, bimotor).
- Sensory skills.
- Adaptive and self-help skills.
- Social-emotional skills.
- Strengths and needs:
- Assess and document both strengths and needs across domains to build a comprehensive profile for the child.
- Collaboration with other professionals to form a complete picture (multidisciplinary approach).
- Intervention and service delivery:
- Develop developmentally appropriate interventions to support the child and family.
- IFSP (Individualized Family Service Plan) development and services, including direct intervention and caregiver coaching.
- Services occur in the natural environment and embed strategies into play and daily activities.
- Promote responsive interaction styles within the family’s routines.
- Collaboration and transition:
- Team meetings to monitor progress and adjust goals.
- Plan for transition to preschool (ages 3-5) and subsequent service pathways.
- Additional responsibilities and policy work:
- Advocating for appropriate services and policies for young children.
- Educating families about communication development and neurodiversity.
- Coordinating with broader supports (e.g., WIC, housing, employment supports) to address the family’s overall needs, recognizing the home as the natural environment for early intervention.
Early Communication Intervention: Focus Areas and Methods
- Primary focus areas:
- Prelinguistic (preverbal) communication, especially birth to 3 years, where delays are common.
- Caregiver coaching and family-centered approach:
- Intervention is often delivered through caregiver coaching in the family’s home or typical environments to maximize carryover.
- Direct services may be provided, but the emphasis is on coaching families to support their child’s development.
- Core targets in early communication:
- Joint attention (both initiating and responding to joint attention) as a foundation for later language.
- Gestures and early vocalizations (nonverbal and verbal prelinguistic communication).
- Imitation as an important stepping-stone to symbolic communication and later language.
- Role of joint attention:
- Joint attention predicts later expressive language skills.
- Lack of joint attention is a core challenge for children with ASD.
- Joint attention is foundational for symbolic communication, social-emotional development, and theory of mind.
- Theory of mind concept:
- Ability to understand that others have thoughts and perspectives that may differ from one’s own.
- Natural environment observations and tools for joint attention assessment:
- CSBS (Communication and Symbolic Behavior Scales)
- Early Social Communication Scales (ESCS)
- MCDI (MacArthur-Bates Communicative Development Inventories) as a parent-report tool
- Structured probes (e.g., adults pointing to objects and observing the child’s response)
- Intervention strategies for joint attention:
- Routine-based interventions that support predictable interactions.
- Commenting and expansions: narrating ongoing activities, answering unasked questions, or expanding on a child’s communications.
- Initiating AAC (augmentative and alternative communication) or other visual supports when needed to facilitate coordinated attention.
- Early communication milestones and gestures:
- Gestures and language milestones support later language development; by 16 months, typically developing children should have at least 16 gestures.
- Expectation: about 2 new gestures per month between 9 and 16 months.
- Early gestures include head-shake/no, giving an object, showing objects to share interest, waving, and open-hand pointing.
- By around 12 months: open-hand pointing and tapping to draw attention.
- Sign language vs. gestures:
- Sign language is symbolic communication and can be used alongside gestures; signs may be more abstractly symbolic than conventional gestures.
- Pairing gestures with verbal communication:
- Model and encourage simultaneous use of gestures with speech (e.g., saying the word while performing the gesture).
- Motor and vocal development considerations:
- Vocal play, imitation of child signs, animal sounds as a means to build symbolic understanding and language concepts.
- What to observe and assess in practice:
- Face-to-face interactions and mutual gaze expectations from birth to 6 months.
- Joint attention indicators (responding and initiating) and how child shares attention with others.
- Eye gaze and sustained engagement with caregivers during activities.
- Early communication samples and repertoire of sounds, babbling, and first words.
Assessment Tools and Multidisciplinary Approach
- Tools commonly used to assess joint attention and early communication:
- CSBS (Communication and Symbolic Behavior Scales)
- ESCS (Early Social Communication Scales)
- MCDI (MacArthur-Bates CDI) for parent-reported vocabulary and communication skills
- Structured observational probes for joint attention (e.g., adult cues and child responses)
- Assessment methods:
- Comprehensive evaluation across five developmental domains (as listed in Part C) by a multidisciplinary team.
- Distinction between screening/identification and formal diagnosis/eligibility.
- Language sampling and speech assessment:
- Direct observation, speech sound assessment, language sampling to determine expressive and receptive abilities, phonology, morphology, syntax, and pragmatic use.
- Role of the SLP in evaluation:
- Identify strengths and needs, collaborate with other professionals, and establish baseline functioning to inform IFSP goals.
Intervention Delivery: Practical Strategies and Concepts
- Intervention focuses on naturalistic, developmentally appropriate activities:
- Embedding strategies into play and daily routines at home or in community settings.
- Coaching families to respond to and scaffold a child’s communication attempts.
- Functional outcomes and goals:
- Develop functional communication outcomes tied to real-life activities and family routines.
- Collaboration in intervention:
- Regular IFSP team meetings to review progress and adjust supports.
- Collaborative planning with families, therapists, teachers, and other professionals.
- Additional supports and services:
- Coordination to connect families with services (nutrition programs like WIC, housing, employment resources) and medical care as needed, reflecting the home-centered approach.
- Transition planning:
- Planning for preschool transition and ensuring continuity of services through the IEP pathway after age 3.
- Ethical and practical implications:
- Emphasis on culturally and linguistically sensitive practices to ensure equitable access and appropriate identification.
- Advocacy for services and policies that support families, not just the child.
Key Takeaways for Practice and Exam Preparation
- Early identification and intervention are built around four pillars:
- Understanding developmental disabilities and risk factors, including how contextual factors influence access to services.
- Differentiating social vs. cognitive aspects of communication and recognizing the central role of joint attention.
- Implementing IDEA Part C services in the natural environment with a family-centered focus and a comprehensive evaluation across multiple domains.
- Using evidence-based, family-centered strategies (routine-based intervention, caregiver coaching, AAC/visual supports) to promote early communication targets.
- Important distinctions:
- Eligibility for early intervention vs. formal diagnosis are separate processes; both inform the provision of services.
- Receptive and expressive language development, preverbal skills, cognitive development, motor and sensory domains, adaptive behavior, and social-emotional skills are all evaluated in a comprehensive assessment.
- Practical application notes:
- Early joint attention and gestural development are strong predictors of later language outcomes; monitor progress in both RJA and IJA.
- Use structured tools (CSBS, ESCS, MCDI) to assess early communication, and combine with naturalistic observation and parent reports.
- Emphasize caregiver coaching and embedding strategies into daily routines to maximize generalization and long-term outcomes.
Required Actions and Coursework (Unit 2)
- Read Chapter 4 in the textbook.
- Review ASHA practice portal document referenced in slides.
- Complete the unit 2 quiz.
- Work on the unit 2 project; some portions may require homework.
- Prepare to discuss and apply these concepts in class, including potential case examples and activities involving IFSP/IEP planning, joint attention strategies, and early communication interventions.