PSY100H1 Lecture Notes - Lecture 14: Hypothyroidism, Synaptogenesis, Triiodothyronine
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PSY100H1 Full Course Notes
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teratogens things such as drugs and alcohol that affect babies in the womb. mothers emotional stress huge impact on babies in the womb. cultural practices can affect rates of development. yes, because children need security and trust to develop normally. model of cognitive development piaget (sensorimotor, pre-operational, factors that regulate brain development: environmental: drugs, stress, diet, biological: genes, proteins, hormones. thyroid hormone: thyroxin (t4): 4 iodines, triiodothyronine (t3): 3 iodines. t4 is most abundant, t3 is most active. by removing one of t4"s iodines, it turns into t3 and becomes active in the body. thyroid gland is regulated by the hypothalamus and pituitary gland. mid gestation child"s own thyroid gland kicks in. when a child"s thyroid doesn"t develop or develops improperly, it leads to hypothyroidism. difference in iq in twins where twin a is fine, twin b has ch.
