F11-Puberty and Biological Foundations lecture 2

F11-Puberty and Biological Foundations lecture 2 - Puberty...

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Unformatted text preview: Puberty and Biological Foundations I. Why Study Physical Changes? A. Major changes occur. (biology)---- Changes in height, weight are obvious. Reproductive capability, increase in sex drive. Biology is the beginning of adolescent. B. Adolescent reacts to the changes.(psychological) For Ex. May ask, I’m I changing this soon? We react to the psychical changes. The point is, the biology physical changes have meaning. They tell us something. C. Others react to changes--parents, adults, peers. (social) If you look older we except you to act older. Parents react to growing up D. Some changes directly affect behavior--moods. Moodiness increases, due to fluctuation of hormones. II. Reactions Have Importance for Psychological Development. A. Early vs. late maturity. 1. Pubertal timing- how early or late you went into growth spurt 2. Pubertal status- How physically mature you are. B. Just plain growing up.--biology influences psychology III. Heredity and Environment or Nature and Nurture A. The Nature of Genes. 1. Genotype: genetic heritage. From our 30K genes. For each genotypee, theres is a range of phenotype. Genes – effect out characteristics. Both psychically and psychological phenotype- The way genotype is expressed. Heredity and environment. Reflects your genotype by environmental influences. 3. Reaction Range=range of phenotypes for each genotype. B. Behavior genetics: field of psychology that tries to discover the influence of heredity and environment on some trait. To the degree that a trait has a more biological basis to it, those who are more similarly biological should be more similar on the trait than those who are less similar biologically. Same goes for environment. 1. Twin studies: identical and fraternal. Fraternal twins are like sibling Identical- similar biological make up. 2. Adoption studies. In adoption studies the degree 3. Genotype/environment correlations: How genes influence environment. Genes influence environment As environment changes genotype is expressed differently a. Active (niche-picking) (Adolescent’s genes).----ex. Used to play sports as a child but changed to do something else because you liked that other thing better. (genes). Adolecents genes direct his or her behavior Our genes may make some people outgoing and some reserved. Genes direct the environment we seek out. b. Evocative (Adolescent’s genes). “Evoc”- bring out Our genes cause us to behave certain ways in part and that causes other people to react in certain way with us. We bring reactions from other people. c. Passive (Parental genes). Early in childhood our parents genes caused them to produce environments for us that we as kids reacted to....
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This note was uploaded on 10/17/2011 for the course FIN 100 taught by Professor Staff during the Spring '11 term at Syracuse.

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F11-Puberty and Biological Foundations lecture 2 - Puberty...

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