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Development During the Preschool Years

Life Stages

  • Focus on the preschool years (Chapter 12).

Objectives

  • Understand brain development.

  • Describe physical development during preschool years.

  • Understand the impact of developing body systems on children.

  • Emphasize the role of play in development.

Toddler Development

  • Period after onset of walking (12-18 months).

  • Transition from motor control to communication, social skills, and behavior control.

  • Personal and environmental contexts are crucial (Dynamical Systems Theory).

  • Play is a major developmental aspect.

Developmental Importance

  • Rapid motor control and communication acquisition continue in the first 5 years.

  • Play becomes complex and essential for development.

  • Critical period for social and emotional skill development.

  • Milestones should be understood (Link to YouTube video).

Definitions

  • Developmental milestones: Age-specific functional skills (examples needed).

  • Non-volitional behaviors: Involuntary actions.

  • Volitional behaviors: Intentional actions.

Body Structures and Functions

  • Brain and nervous system development.

  • Progressive physical growth.

  • Growth of communication abilities and sensory characteristics.

Brain and Nervous System Development

  • By age 6, the brain reaches 90% of adult size.

  • Major development in sensory, fine motor, cognitive functions.

  • Frequent use strengthens neuronal pathways ("Move it or lose it!").

  • Increased left hemisphere activity aids dramatic language development.

Physical Development

  • Central nervous system growth is rapid, especially in the first year.

  • Proper nutrition and physical activity are crucial.

  • Children exhibit high energy, preferring active play.

  • Complex motor behavior continues to develop.

Motor Control Milestones

  • Gross Motor Skills (ages 2-5): Ascending stairs, balancing on one foot, jumping, pedaling.

  • Fine Motor Skills: Proficient grasping, manipulating small objects, beginning drawing skills.

Communication Functions

  • Vocabulary expands to 1000 words by age 3.

  • Ability to form sentences and tell stories by age 4.

  • Pragmatic language skills develop; ability to converse effectively by 5.

Sensory Characteristics

  • Importance of sensory feedback in learning and development.

  • Integration of senses (visual, tactile, proprioceptive) is vital for dynamic balance.

  • Increased cerebellar function supports sophisticated movement.

Sensory Processing

  • Sensory processing: Understanding internal and external stimuli.

  • Sensory integration theory: How sensory modalities contribute to learning.

Sensory Integration Dysfunction

  • Difficulty in processing sensory information is common (10-15% of children).

  • Types of Sensory Processing Disorders:

    • Sensory modulation disorder.

    • Sensory-based motor disorder.

    • Sensory discrimination disorder.

Behaviors of Sensory Seekers and Avoiders

  • Sensory Seekers: Engage in high activity, may overstuff mouth or seek loud stimuli.

  • Sensory Avoiders: Prefer limited textures, avoid noise, complain about sensory input.

Postural Control

  • Essential for maintaining body position and balance.

  • Development of postural stability, dynamic stability, and movement flow.

  • Equilibrium reactions become neurologically mature during preschool years.

Fine Motor Development

  • Significant development in eye-hand coordination and muscle control.

  • Different grasps: Power (for heavy objects) and Precision (refined activities).

Other Systems of Development

  • Focus on self-care skills, school readiness, attention, memory, and social conventions.

The Importance of Play

  • Play as a child's work, vital for learning and skill development.

  • Forms of play:

    • Attunement play - social connection.

    • Physical play - active engagement.

    • Object play - manipulation of items.

    • Pretend play - creative expression.

    • Games with rules - structured interactions.

Participation in Play

  • Types of engagement:

    • Unoccupied play: observing.

    • Solitary play: alone.

    • Onlooker play: watching others.

    • Parallel play: playing near others but independently.

    • Associative play: interacting without organized activity.

    • Cooperative play: engaging together in a structured manner.

Conclusion

  • Emphasize the role of play in developing independence, control, and social skills during preschool years.

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