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Psychology (7,991)
PSYA02H3 (1,057)
John Bassili (120)
Lecture 8

Lecture 8

2 Pages
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Department
Psychology
Course Code
PSYA02H3
Professor
John Bassili

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Psychology Lecture 8
Child Development
-test intelligence by giving a not abstract question and receive a definite answer from child
-development of attachment with caregiver and parents
-zygote divides to form nerve and brain cells
-nerve cells form connection through synapse
-neurons communicate through firing
Themes of the Video
1) how do neurons find their place, know where to go , and what functions it serve
2) are all connections equally important
3) to what extent does plasticity contribute to the development of brain region
-is the function of a region permanent or changeable
-each nerve cell forms 1 to 10 000 connection
-communicate through charged electrical pulse
-nervous system is in an organized, non-random manner
-unlike skin cells, neurons cannot be replaced and do not replicate itself
-they function throughout the life time
-grow in neural tube, layer after layer like an onion
-hold on to guard cell with its nucleus at the back during migration from brain to body location
-travel in wave
-evidence to support that young neuron has an idea of its migration
-recognize its position in the brain
-produced from stem cell
-the migration destination is determined from neighbouring cell
-young neuron that is developed for a while does not follow its neighbouring cell, it goes to its
own specific destination
-wiring and connection depend on instruction of gene
-when neurons are used frequently, it strengthens its function
-use it or lose it hypothesis
-neuron is a dynamic structure in response to process of strengthening
-did an experiment to rewire neuron to visual cortex and auditory cortex in an animal
-if ear shows visual function, it means gene is important
-if it does not, nurture and input is important
-auditory cortex has been transformed, but not entirely
-it shows a less orderly pinwheel of the colour wheel from some imaging technique in the ear
-shows that environment shapes brain, but cannot change genetic destiny
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Description
Psychology Lecture 8 Child Development -test intelligence by giving a not abstract question and receive a definite answer from child -development of attachment with caregiver and parents -zygote divides to form nerve and brain cells -nerve cells form connection through synapse -neurons communicate through firing Themes of the Video 1) how do neurons find their place, know where to go , and what functions it serve 2) are all connections equally important 3) to what extent does plasticity contribute to the development of brain region -is the function of a region permanent or changeable -each nerve cell forms 1 to 10 000 connection -communicate through charged electrical pulse -nervous system is in an organized, non-random manner -unlike skin cells, neurons cannot be replaced and do not replicate itself -they function throughout the life time -grow in neural tube, layer after layer like an onion -hold on to guard cell with its nucleus at the back during migration from brain to body location -travel in
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