Psych notes chap 11-15

Psych notes chap 11-15 - Chapter 11 Human Development-Story...

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Chapter 11: Human Development -Story of a girl named Genie who was neglected and abused at an earlier age. This resulted in her lack of language and motor skills. This can be explained by the critical stages of learning and the attachment that was unavailable with her parents. 1. What shapes a child -During prenatal period, the body develops in fixed sequence based on genetic instructions Consistency of patter suggests that genes set the pace and order of development a. Development Starts in the Womb i. Physical Development 4 weeks: forebrain, midbrain and hindbrain 7 weeks: cortex 10 weeks: thalamus and hypothalamus 12 weeks: basal ganglia and left/right hemispheres7 months: working nervous system insufficient levels of thyroid hormones-lower IQ emotional state high levels of stress hormones- low birth weight, n- cognitive and physical outcomes throughout life ii. Teratogens Teratogens: agents (bacteria, viruses, chemical and drugs) that can cause abnormal development in the womb Extent of damage depends n when the fetus is exposed to it as well as length and amount of exposure Ex: thalidomide that was given to pregnant woman during pregnancy to reduce morning sickness caused physical damage to the fetus Ex: Alcohol is the most common teratogen which can lead to fetal alcohol syndrome which consists of low birth weight, face and head abnormalities, slight mental retardation and behavioral and cognitive problems b. Brain Development Promotes Learning -Early brain growth has two important aspects: 1. Specific areas within the brain mature and become functional, 2. Regions of the brain learn to communicate with each other through synaptic connections through myelination -Synaptic Pruning: a process whereby the synaptic connections in the brain that are frequently used as preserved and those that are not are lost i. Critical Learning Periods Critical Period: development stage during which young animals are able to acquire specific skills and knowledge. If these skills and knowledge are not acquired during the critical
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Psych notes chap 11-15 - Chapter 11 Human Development-Story...

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