PSYCH 130 Lecture Notes - Lecture 5: Startle Response, Teratology, Postpartum Depression
Document Summary
Overview: conception, prenatal stages, prenatal, perinatal, and neonatal environment, signs of prenatal learning, newborn reflexes. Assisted reproductive technologies (arts: stimulating ovaries to ripen and release several eggs via prescription drugs, artificial insemination injecting sperm directly into uterus, sperm is either from the woman"s partner or a donor. In vitro fertilization (ivf) several eggs are removed from a woman"s ovary and manually combined with sperm in a lab, then retuned to uterus with hope that one egg will implant. Germinal period (weeks 0-2: zygote travels to uterus and attaches to uterine wall, mitosis repeated cell divisions forming the blastocyst (eventually becomes the embryo) and trophoblast (outer layer of embryo, gives nutrition and support) Ectoderm outermost layer, will develop into nervous system, brain, sensory receptors, and skin parts. Mesoderm middle layer, will develop into circulatory system, bones, muscles, excretory system, and reproductive system. Endoderm inner layer, will develop into digestive and respiratory systems. Trophoblast outer later of embryo that becomes.
