Lecture 3: Cognitive foundations Flashcards
What is a cognitive change?
Changes over time in how people think, how they solve problems, make decisions, and behave in risky contexts
What happens in terms of synaptic growth?
First: a rapid increase in synaptic connections. Primarily in frontal lobes (involved in higher functioning)
Next: synaptic pruning. Use it or lose it, Between ages 12-20 years, All about efficiency
What is myelination?
Blanket of fat wraps around the main part of the neuron; Increases speed of electrical signals, Better executive functioning, Functioning less flexible, amenable to change
What is cerebellum growth?
Part of the lower brain, Important for certain higher functions (e.g., math, music, decision making, social skills), Last structure of the brain to stop growing, Growth continues into mid-20’s
What are the basic principles of Piaget’s theory of cognitive development
Cognitive stage: A period in which abilities are organized in a coherent, interrelated way
Maturation: Process by which abilities develop through genetically based development with limited influence from the environment. Driving force behind development from one stage to the next
What is the formal operations stage (piaget)
Logical, systematic thinking
Hypothetical-deductive reasoning
Abstract thinking
Metacognition (thinking about thinking)
See things in greater complexity
Perceive multiple aspects of a situation, critical thinking
Understand the literal, concrete meaning and less obvious, more subtle meanings (E.g., metaphors)
Pick up on meanings in tone and context (E.g., sarcasm)
what are the limitations of piaget’s theory?
Doesn’t account for Individual differences (assumes universality)
Environmental influences
Culture
What is the information processing model?
Computer model approach to understanding cognition Emphasis on attention and memory (storage and retrieval) Processing speed (automaticity, executive functioning)
What are the limitations of the information processing approach?
-Reductionism
Humans are sentient (Able to perceive, feel, experience things subjectively)
Does not consider self-reflection, self-awareness, or emotions (i.e., growing capacities in adolescence)
What are social cognitions?
How people think about others, social relationships, and social institutions. Social information processing model
- –Cyclical cognitive processes
- –Influenced by (Past experiences, Emotions, Mood and temperament)
What is social cognition influenced by?
- Perspective taking
- Theory of mind (other people have different perspectives and opinions)
- Egocentrism (imaginary audience)
- Personal fable (optimism bias)
How does practical cognition: critical thinking improve in adolescence?
Improvements in the ability to:
Analyze and make judgements about information
Simultaneous consider different kinds of knowledge
Utilize metacognition strategies
Think critically
But still a work in progress
Practical cognition: decision making
Competence in decision making varies with age
Preadolescents < adolescents
Are adolescents/emerging adults more likely to take more risks than children and adults?
-Automobile crashes
-Binge drinking
-Contraceptive use
-Crime
Highest among older adolescent males
Risk taking: why do they do it?
Compared to adults, adolescents seem to have comparable (Logical reasoning abilities, Abilities to perceive risk,
Few age differences in (Evaluations of risks associated with dangerous behaviours, Judgements about seriousness of consequences resulting from risky behaviours, Evaluations of relative costs and benefits of risky activities)