PSY 2301 Lecture Notes - Lecture 17: Frontal Lobe, Neural Development, Neural Stem Cell

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There are genetic blueprints but the brain itself is not precisely determined. How are these factors studied: correlate developing structures with emerging behaviours. Eg vision develops more quickly than speech (babies see well long before they talk) Eg planning of behaviour emerges last in association with frontal lobe development. This ability is not developed until young adulthood: correlate developing behaviours with neutral maturation. Eg neural change (in language areas) is associated with the development of language. Development of abilities like planning are thought to be the result of long-term neural development (adding of connections etc) in the frontal lobes: study influences on brain and behaviour. Everything in this figure takes place in a week. 22 days neural grove closing to form tube. 24 days (neural tube with developing brain. At 36 weeks, brain look like an adult brain, but has difference cellular structure. Note that some infants are born prematurely (often between 28 and 32 weeks)

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