PSYCH 102 1st Edition Lecture 1Outline of Last Lecture I. Genetics and Developmental Psychology Outline of Current Lecture II. Developmental Psychology III. Genetics IV. Prenatal Development V. Development during Infancy/Childhood Current LectureI. Developmental Psychology - Def: Study of how people change throughout lifespan - Psychologists look at:o Biological, environmental, social, cultural and behavioral factors - Nature Nurture = Hereditary and Environment II. Genetics - Zygote o Single cell formed at conception from egg and sperm- Chromosome o Thread-like structure composed of twisted strands of DNA- DNAo Double stranded molecule that encodes genetic instructions - Geneo Unit of DNA that encodes instructions to make particular protein molecule - Genotype o Genetic makeup of an individual organism - Alleleo One of the different forms of a particular gene - Phenotype o Observable traits of an organism determined by the interaction of genetics and environment - Genotype to Phenotype o Characteristics observed in an organismo Environmental factors influence phenotype These notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.o Different genotypes react differently to environmental factorsIII. Prenatal Development- Prenatal Stage: Stage of development before birth- Germinal: First 2 weeks of prenatal development - Embryonic: 3rd – 8th week of prenatal development - Fetal: 9th – birth of prenatal development- Teratogens: Harmful agents that can cause malformations - Prenatal Brain Development o Sheet of neural cells form hollow neural tube and are lined with stem cells o Creates hind brain, midbrain and forebrain and cavities IV. Development during Infancy/Childhood - Behavior limited to reflexes o Rooting reflexo Sucking reflexo Grasping reflexo Babinski o Senses are attuned to people (vision is the least developed)\- Temperamental Qualities o All are different and unique o Temperament The way inborn consistently behave and react in a certain way- Chess and Thomas Studyo 2/3 of babies 3 classifications Easy: Readily adapt Difficult: Emotional and fussy Slow to warm up: Withdraw from new experiences and adapt gradually o Remaining 1/3 are
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