Week 6 long

Theory of Mind (ToM)

  • False Belief Theory of Mind:
    • Ability to reflect on one's own thoughts and recognize they may differ from others'.
    • Piaget posited that ToM doesn’t emerge until around 8 years of age.
    • More recent research indicates emergence much earlier, beginning with:
    • Joint Attention: Understanding shared focus on an object/activity.
    • Social Referencing: Looking towards others for cues in uncertain situations.

Understanding Others’ Desires

  • Study by Repacholi & Gopnik (1997):
    • 14- and 18-month-old infants were tested for desire recognition:
    • 18-month-olds effectively gave food that an adult desired but they themselves did not.
    • 14-month-olds frequently offered food they desired themselves instead.

Understanding False Belief

  • Key Development: Understanding that others may hold a false belief is crucial for empathizing with other minds.
  • Representational Theory of Mind:
    • Suggests the mind functions as a representational device that can misrepresent reality.
    • Findings are stable across cultures.
  • Change-in-Location Task (Sally-Anne Task):
    • A test measuring false belief understanding:
    • Question: "Where will Sally look for her ball?"
    • Results:
      • 4-year-olds answer correctly with the basket.
      • 3-year-olds answer incorrectly with the box.
    • Question Interpretation:
    • Children may misinterpret standard questions:
      • Standard: "Where will Sally look for her ball?"
      • More specific:
      • "Where will Sally eventually look for her ball to find it?"
      • "Where will Sally look first for her ball?"

Piaget’s Formal Operations Stage

  • Piaget's Fourth Stage: Formal Operations
    • Begins approximately at ages 11-12.
    • Characterized by:
    • Mental Actions on Ideas: Engaging in more hypothetical and abstract thought.
    • Ability to manipulate internal representations.

Hypothetico-Deductive Reasoning

  • Age: Begins around 13 years.
  • Definition: The process of making and systematically testing hypotheses based on observations.
    • Crucial for scientific reasoning.
  • Example: Piaget & Inhelder's classic pendulum problem:
    • Question: What factors influence the speed of a pendulum swing?
    • Testing: Children learn to devise tests to find answers (e.g., changing string length, weight).

Propositional Reasoning

  • Definition: Involves making logical inferences from propositions that are assumed to be true.
  • Example of Propositional Reasoning:
    • Present a proposition: "Uni lectures are a lot of fun to attend."
    • Conclude: "Developmental Psych lectures are Uni lectures. Therefore, Developmental Psych lectures are a lot of fun to attend."
  • Nature of Reasoning:
    • Involves manipulation of abstract thoughts, independent from concrete experiences.
    • Can be based on untrue premises, which concrete operational children cannot accept.
    • Example:
    • "Slugs are smarter than Uni lecturers."
      • "Uni lecturers are smarter than babies."
      • Conclusion: "Slugs are smarter than babies." (Logical flow from false premises)

A Gradual Process

  • Transition from Concrete to Formal Operations:
    • Takes several years to complete.
    • Concept of Horizontal Decalage:
    • Initial development of simple abstract and hypothetical problem-solving skills precedes ability to devise and systematically test variables, especially with multiple variables.

Impact of Formal Operational Thinking

  • Positive Outcomes:

    • Critical and scientific thinking.
    • Understanding of abstract concepts.
    • Development of individual identity.
    • Grasp of complex moral issues.
    • Improved understanding of others.
    • Assimilation of cultural knowledge and values.
    • Development of friendships and romantic relationships.

  • Negative Outcomes:

    • Ability to imagine alternatives leads to questioning authority and rules.
    • Frustration with perceived illogic in situations.
    • Idealism with a lack of practicality regarding barriers to a perfect world.
    • Simplistic solutions for complex issues.

Adolescent Egocentrism

  • Two Forms:
    • Imaginary Audience:
    • Enhanced ability to reflect on both one’s thoughts and those of perceived audiences.
    • Personal Fable:
    • Disproportionate differentiation between one’s own experiences versus those of others.

Limitations of Formal Operations

  • Achievement Variability:
    • Not everyone reaches formal operational thinking.
    • Developmental success depends on specific experiences and social context.
    • Questions about the representativeness of Piaget's participants arise.
  • Dependence on Socio-Cultural Context:
    • Development may relate deeply to socio-cultural factors, not merely individual cognitive factors.
    • Might be more prevalent in academic settings.

Implications of Piaget’s Theory

  • Competence vs. Performance:
    • Recognizes variations in expression of cognitive skills.
  • Influence of Piaget’s Ideas:
    • Major impact on educational methods and curricula, especially for primary education.
    • Promoted constructivist philosophies that shape the understanding of children's cognitive processes.

Alternative Views on Cognitive Development

  • Beyond Formal Operations?
    • Query whether formal operational thinking extends beyond adolescence.
    • Or do adults exhibit a different form of "postformal" thinking?
    • Adolescents are often rigidly logical, while adults exhibit a comfortable flexibility in addressing complex questions.

Relativistic Thinking

  • Definition:
    • Knowledge contingent on context and personal subjective perspectives.
  • Example Scenario:
    • John is a known heavy drinker. His wife Mary warns him of a future consequence. John comes home drunk.
    • Question: Does Mary leave John?

Dialectic Thinking

  • Definition:
    • The ability to detect and reconcile inconsistencies within problems.
    • Involves recognizing the multifaceted nature of issues and considering multiple possibilities.
    • Encourages decision-making while accepting imperfection in outcomes.

Alternative Views on Cognitive Development

  • Domain-general Approaches:
    • Suggest that cognitive development progresses with fundamental changes in children's cognitive structures.
  • Neopiagetian Theories:
    • Acknowledges stage-like development influenced by changes in cognitive structure.
  • Examples of Neopiagetian Approaches:
    • Cognitive Capacity Model (Pascual-Leone)
    • Processing Efficiency Theory (Case)
    • Cognitive Complexity Theory (Halford)

Vygotsky’s Sociocultural Theory

  • Lev Vygotsky (1896-1934):
    • Russian psychologist.
    • Asserted that cognitive development occurs within the Zone of Proximal Development (ZPD).
  • Definition of ZPD:
    • The level of challenge where a child can almost solve something independently but requires assistance from a more capable peer or adult.

Learning and Teaching

  • Social Context:
    • Emphasizes the role of social and cultural environments in learning.
  • Social Scaffolding:
    • Active participation in collaborative problem-solving must consider diverse group compositions.
  • Reciprocal Teaching:
    • Instructor exemplifies an expert’s role while the child learns to become the teacher, gradually taking on more control.

Core Knowledge Approach

  • Overview:
    • Recent domain-specific theorization suggesting children develop unique learning pathways in specific domains (evolutionary advantage).
    • Initially create naive theories about how the world operates, which are then refined into more sophisticated theories.

Information Processing Approach

  • Framework:
    • Views children as processors of information, analyzing each cognitive task's specific elements.
  • Cognitive System:
    • Comprised of storage and retrieval functions including:
    • Attention
    • Encoding
    • Memory
    • Thinking
  • Developmental Perspective: Development viewed as a continuous process.

Development of Attention

  • Definition:
    • The ability to focus on relevant stimuli in the environment.
    • Significant improvements during middle childhood and adolescence:
    • Selective Attention: Focusing on specific stimuli.
    • Sustained Attention: Maintaining focus over time.
    • Divided Attention: Focus on multiple stimuli simultaneously.
  • Cultural Considerations: Question whether cultural contexts affect these developmental processes.

Memory During Infancy

  • Habituation:
    • Indicates infants' autorecall capacity.
    • Newborns have fleeting memories; 3-month-olds retain complex imagery for months; 5-month-olds remember faces briefly.

Operant Conditioning in Infants

  • Learning Mechanism:
    • Infants learn through operant conditioning, e.g., by interacting with mobile devices.
  • Longevity of Memory:
    • 2-month-olds recall stimuli for up to three days post-exposure; 3-month-olds up to eight days; 6-month-olds recall for three weeks.

Memory During Childhood

  • Infants: Can only retain nonverbal memories.
  • Post-infancy Memory: Transitions to verbal and more durable forms.
  • Mechanisms in Memory Development:
    • Memory Strategies: Techniques enhancing information storage/retrieval increasingly utilized in middle childhood, e.g., rehearsal, organization,
      elaboration.
    • General Knowledge: Informs the ability to learn and remember complex material; knowledge structures enhance memory recall.

Metamemory

  • Definition: Awareness of one's memory capabilities that improves with age.
    • Adaptive behaviors may lead to better motivation to improve memory skills.

Memory in Adolescence

  • Developmental Changes in Short-Term Memory (STM):
    • Noticeable increases during adolescence:
    • Larger capacity for short-term information retention.
    • Enhanced processing capabilities.
    • Improved cognitive strategies.

Cognition and Aging

  • Categories of Cognitive Function:
    • Divided into two major areas:
    • Cognitive Mechanics
    • Cognitive Pragmatics

Cognitive Mechanics

  • Description: Fundamental memory processes that generally diminish with late adulthood, affecting basic functions.

Cognitive Pragmatics

  • Definition: Intellectual problem-solving that relies on culturally acquired knowledge and wisdom.
  • Key Components of Wisdom (according to Baltes):
    • Factual Knowledge: Who, when, where?
    • Procedural Knowledge: Strategies for solving life’s problems.
    • Lifespan Contextualism: Explicitness regarding how individual age or cultural context influences responses.
    • Relativism: Sensitivity to cultural variances.
    • Uncertainty: Recognition and management of ambiguity in situations.

Cognitive Plasticity

  • Definition: The ability of functioning neurons to adapt to take over tasks of lost or damaged neurons.
  • Positive Outcomes: Older brains can still benefit from mental enrichment and training, emphasizing the principle of "use it or lose it."
  • Brain Training Effects: Observable improvements can last 5 years; however, limited evidence supports transferability of skills beyond training tasks.

The Aging Brain

  • Changes: Gradual decrease in brain mass over adulthood:
    • Average brain weight decreases by 18% by age 80 compared to age 30.
    • Influenced by factors like health status, genetics, and lifestyle choices.
  • Fluid vs. Crystallized Intelligence:
    • Steady decline in fluid intelligence coupled with a rise in crystallized intelligence with age.

Other Age-Related Changes

  • Vascular Issues: Less blood flow to the brain from small vessel blockage/rupture leading to neuron death.
  • Neurotransmitter Changes: Significant alterations in dopamine, serotonin, and glutamate levels influence receptor sites.

Organic Brain Syndromes

  • Definition: Cognitive conditions arising from physical brain damage.

  • Types:

    • Multi-Infarct Dementia: Represents 10-20% of organic brain syndromes in adults, with risks including:
    • Hypertension
    • Diabetes mellitus
    • Advanced age
    • Male gender
    • Smoking

  • Alzheimer’s Disease: Affects 50-60% of organic brain syndrome patients aged over 65:

    • Prevalence increases with age:
    • 1% in ages 60-64.
    • 24-36% in those over 85.
    • Disease typically has a progression span of 7-10 years, with the main risk factor being chronological age.