PSY1011 Chapter Notes - Chapter 5: Neural Tube Defect, Folate Deficiency, Prenatal Development
7 Aug 2018
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Perinatal stage: 140 days of gestation, ends 28 days after birth. After 10 weeks, all major structures have started to form- known as foetus. Illicit drugs can lead to behavioural and intellectual problems as well as physical birth problems: stress: cortisol can enter placenta and foetus- changes serotonin pathways in brain. Heightened reactivity to stress later in life: nutrients: folate deficiency can cause neural tube defects, soft cheese contains many bacteria. Child(cid:396)e(cid:374) a(cid:396)e (cid:858)a(cid:272)ti(cid:448)e e(cid:454)plo(cid:396)e(cid:396)s(cid:859) of the (cid:449)o(cid:396)ld. The brain responds to exploration by creating schemas- mental categories that help make sense of the world (cid:858)e(cid:395)uili(cid:271)(cid:396)iu(cid:373)(cid:859)- the effort by the organism to exist in harmony with its environment- to reduce cognitive conflict (disequilibrium) Piaget proposed four stages that summarise the different schemata a child has at different life stage, and how they change with experience. Infants learn about their world through their senses and by actions.
