Developmental Assessment

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Developmental Assessment - Building Blocks

  • Systematic evaluation of child's progress across key developmental areas.
  • Aim: Early identification of delays & deviations.
  • Domains Assessed:
    • Gross Motor: Large muscle movements (e.g., sitting, walking).
      • Cephalocaudal progression (head to toe).
    • Fine Motor: Small muscle movements, hand-eye coordination (e.g., pincer grasp, drawing).
      • Proximodistal progression (center to periphery).
    • Language: Receptive (understanding) & expressive (speech).
      • Includes gestures, vocalizations, words, sentences.
    • Social-Personal: Interactions, self-care, play.
      • Attachment, emotional regulation, independence.
    • Cognitive/Adaptive: Problem-solving, learning, memory, reasoning.

Percent on-track in early child development domains

Dissociation (significant difference between developmental domains, e.g., motor normal, language delayed) is a key indicator for specific developmental disorders like Autism Spectrum Disorder or Specific Language Impairment.

  • Assessment involves history, observation, and standardized screening tools (e.g., DDST, Trivandrum Development Screening Chart).

Developmental Assessment - Early Detectives

Systematic evaluation of a child's progress across various skill domains. Early detection is crucial for timely intervention.

  • Key Screening Tools:
    • DDST-II (Denver Developmental Screening Test II): Age 0-6 yrs. Screens Gross Motor, Fine Motor-Adaptive, Language, Personal-Social skills.
    • TDSC (Trivandrum Development Screening Chart): Age 0-6 yrs. Indian adaptation, similar domains to DDST.
    • ASQ (Ages and Stages Questionnaires): Age 1-66 months. Parent-completed; screens Communication, Gross Motor, Fine Motor, Problem-Solving, Personal-Social.
    • M-CHAT-R/F (Modified Checklist for Autism in Toddlers, Revised, with Follow-Up): Age 16-30 months. Screens for Autism Spectrum Disorder (ASD) risk.

⭐ M-CHAT-R/F is a vital screening tool for early identification of Autism Spectrum Disorder, typically administered between 16-30 months.

Developmental Assessment - Alarm Bells

  • General Red Flags:

    • Loss of previously acquired skills (regression) at any age.
    • Persistent parental concern despite reassurance.
    • No babbling by 12 months.
    • No single words by 16 months.
    • No two-word spontaneous (non-echolalic) phrases by 24 months.
    • Lack of pointing or other gestures by 12 months.
  • Specific Age Milestones (Failure to achieve):

    • 6 Months: No social smile, no reaching for objects.
    • 9 Months: No reciprocal vocalizations or facial expressions.
    • 18 Months: Not walking independently, no pretend play.
    • 3 Years: Speech largely unintelligible to strangers.
  • Neurodevelopmental Disorder Pointers:

    • ASD: Impaired social interaction/communication, restricted/repetitive behaviors.
    • ID: Significant limitations in intellectual functioning & adaptive behavior (conceptual, social, practical skills).
    • ADHD: Persistent inattention, hyperactivity/impulsivity impairing function.

M-CHAT-R/F (Modified Checklist for Autism in Toddlers, Revised with Follow-Up) is a crucial screening tool for Autism Spectrum Disorder used between 16-30 months of age. A positive screen warrants further developmental evaluation immediately.

📌 Mnemonic (DDST Denver II - Domains): Gross motor, Fine motor-adaptive, Language, Personal-social (Girl Friends Love Shopping).

Developmental Assessment - Nurture & Nature

  • Nature (Biological Influences):
    • Genetics: Heritability, genetic disorders (e.g., Fragile X, Down syndrome).
    • Perinatal Factors: Maternal health, teratogens, birth complications (asphyxia, prematurity, LBW), neonatal illness.
    • Neurological Maturation: Brain development, myelination, synaptogenesis.
  • Nurture (Environmental & Psychosocial):
    • Stimulation: Cognitive, linguistic, emotional, social interactions; enriched environment.
    • Nutrition: Macro/micronutrients for brain development; malnutrition effects.
    • Socio-cultural: SES, parental education, family support, adversity.
    • Parenting & Attachment: Responsive caregiving, secure attachment.
  • Early Intervention:
    • Principles: Prompt identification, family-centered, comprehensive services.
    • MDT Role: Coordinated assessment & management by various specialists.

⭐ Sensitive periods in development are times when the brain is most receptive to specific environmental inputs, crucial for skills like language acquisition.

Nature vs. Nurture in Development

High‑Yield Points - ⚡ Biggest Takeaways

  • Developmental history is foundational: prenatal, natal, postnatal, milestones, social development.
  • Utilize screening tools: DDST-II, ASQ, and M-CHAT for early autism detection.
  • Global Developmental Delay (GDD): Significant delay (≥2 SD) in ≥2 domains in children <5 years.
  • Intellectual Disability (ID): IQ <70 plus adaptive deficits, onset in developmental period.
  • Autism Spectrum Disorder (ASD): Key features are social communication deficits and restricted, repetitive behaviors.
  • Specific Learning Disability (SLD): Difficulty in specific academic skills despite normal intelligence.
  • ADHD assessment involves evaluating persistent inattention and/or hyperactivity-impulsivity.

Practice Questions: Developmental Assessment

Test your understanding with these related questions

All of the following are classified under Pervasive Developmental Disorders except?

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Flashcards: Developmental Assessment

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_____ disorders are when a patient consciously creates physical and/or psychological symptoms in order to assume a "sick role" and get medical attention and sympathy (primary/internal gain)

TAP TO REVEAL ANSWER

_____ disorders are when a patient consciously creates physical and/or psychological symptoms in order to assume a "sick role" and get medical attention and sympathy (primary/internal gain)

Factitious

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