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Lecture 14

Lecture 14

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University of Toronto St. George
Michael Inzlicht

Lecture 14 November 4 What is Human Nature? Something intrinsically human, inborn Teratogens things such as drugs and alcohol that affect babies in the womb Mothers emotional stres s huge impact on babies in the womb Cultural practices can affect rates of development If people don’t remember anything before the age of 3 or 4, does it really matter what they do? Yes, because children need security and trust to develop normally Abnormal Development Model of cognitive development – Piaget (Sensorimotor, Pre-operational, Concrete operational, formal operational) Factors that regulate brain development: o Environmental: drugs, stress, diet o 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 Congenital Hypothyroidism Pediatric endocrine disorder
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