Developmental psychology

Development of Abilities in Infants

• Developmental Changes in Infants

  • Abilities develop sequentially based on biological maturation.

    • Muscular changes and brain development must occur before certain abilities can emerge.

• Prenatal Exposure to Stories

  • Babies show a preference for stories read to them in utero after birth.

  • This preference is observed through visual attention, demonstrated using a checker surface where the baby appears to drop.

    • Babies who crawl have developed an understanding of edges and thus show hesitance to crawl across certain surfaces.

Social Preferences in Infants

• Infants show a preference for human voices over non-human sounds.

• The evolution of views on childhood development,

  • Historically, children were believed to be miniature adults (Preformation Theory).

    • This concept suggests that a tiny, fully-formed human exists in sperm or egg, unfolding as they grow.

    • Evidence of this belief is observed in Renaissance art where children are depicted as miniature adults.

Cognitive Development Theories

• Cognitive Schema Management

  • Assimilation

    • Integrating new information into existing schemas, using frameworks already established to interpret new information.

    • Example: Child sees a dog and calls it a cat, projecting new information onto an existing framework.

  • Accommodation

    • Modifying existing schemas to incorporate new information that doesn't fit within current frameworks.

    • Essential for adapting to new experiences.

Piaget's Stages of Cognitive Development

• Sensorimotor Stage (0-2 years)

  • Infants experience the world through sensory and motor activities.

  • Lack abstract thinking and cannot hold symbols in mind for unexperienced concepts.

    • Demonstration of Cognitive Interference.

    • Example:

      • Baby watches a toy repeatedly being placed in a blue box.

      • If the researcher later places the toy in a red box, the infant's attention shifts, indicating changed expectations.

• Preoperational Stage (2-7 years)

  • Characterized by the emergence of symbolic thought, as seen in imaginative and pretend play.

  • Limitations include:

    • Inability to perform mental operations in a systematic way.

    • Example of Conservation Concept:

    • Children struggle to understand that different shapes or orientations do not change the quantity.

      • Example:

      • Pouring liquid from a tall, thin glass into a short, wide glass can confuse children regarding the volume equivalence.

Practical Examples of Cognitive Tasks

• Cognitive operations can be assessed through visual stimuli and verbal questioning:

  • Child is shown varying angles and perspectives of objects to encourage exploration of cognitive interpretation.

    • Specific objects can be identified differently from varied perspectives.

Future Research on Theories of Mind

• Narrative about child development in specific familial contexts, noting special interests like autism and its challenges with theory of mind.

  • Age five is pivotal for assessing theory of mind abilities. Researchers posit expected developmental milestones at this age.

• Personal experiences with son Sebastian tied to understanding autism’s impact on developing theory of mind skills, intending to observe yearly progress.

Concrete Operational Stage (7-11 Years)

• At this stage, children gain the ability to perform operations, reason about complex situations, and manipulate concepts mentally.

  • Operations relate to tangible experiences rather than abstract reasoning.

• Example of demonstrating understanding of physical properties and manipulation with causal reasoning:

  • Scenario regarding hitting a glass with different objects to evaluate children’s reasoning skills.

  • Children can analyze scenarios, demonstrating developed logical faculties with observable outcomes.