PSY100H1 Lecture : PSY100 - Abnormal Development
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PSY100H1 Full Course Notes
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Document Summary
Piaget; childhood development stages (seonsomotor, concrete operational ) Brain development; maturing and growing during fetus. Thyroxine (t4); iodine, cooh, h2n, four iodine, produced the most. Thyroid gland; located in neck near voice box. Thyroid system; hypothalamus -> trh ->anterior pituitary -> tsh -> thyroid -> t3 and t4 ( anterior pituitary ] Normally, mother"s t4 level then fetus"s thyroid gland develops and exceeds the mother"s. When fetus"s thyroid gland doesn"t develop properly, fetus"s own supply of thyroid is limited to mother"s. Pediatric endocrine disorder that affects between 1 in 3000 to 4000 children. Caused by lack of thyroid hormone prenatally and in neonatal period. Symptoms: prolonged jaundice, lethargy, feeding problems, constipation, cold to touch, good babies - sleep through night. Signs: large fontanels (soft spots on skull), macroglossia (enlarged tongue), hoarse cry, distended abdomen, umbilical hernia, hypotonia, skin mottling.
