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Lecture 9

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University of Guelph
PSYC 1000
Lisa Giguere

Lecture 9- October 4, 12 Developmental Psychology (Part 2) Maturation - Biologically-driven growth and development enabling a sequence of predictable cognitive (aka mental processes) and behavioural changes - Experience (nurture) can adjust the timing - maturation (nature) sets the sequence Maturation in Infancy: Mainly observable in - brain development - motor development Cognitive development - cognition refers to mental activities that help us function, including o figuring out how the world works o developing models and concepts o problem-solving o storing and retrieving knowledge o understanding and using language Jean Piaget (1896- 1980) - We don’t start out being able to think like adults - Infant’s mind works hard o make sense of our experiences in the world - Piaget proposed that an early took to organize those experiences is a schema (a mental container) that holds our experiences Piaget’s Assimilation and Accommodation - Schema evolves and changes o By assimilating the experience into a schema OR o By accommodating the schema by separating How Does Development Occur? - Development is a combination of nature and nurture - children grow by maturation and by learning through interacting/ playing with environment - Development is not one continuous progression of change - children make leaps in cognitive abilities form one stage of development to the next 1. sensorimotor stage: experiencing the world through senses and actions (look/hear/touch/mouth/grasp)- birth to nearly 2 years old a. object permanence b. stranger anxiety 2. preoperational: representing things with workds and images,
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