PSY 401 1st Edition Lecture 23 Outline of Last Lecture I Evolutionary Theory a Charles Darwin i H M S Beagle ii Alfred Russell Wallace 1823 1913 iii On the Origins of Species by Means of Natural Selection 1859 iv Descent of Man 1871 Outline of Current Lecture I II Evolutionary Theory a Charles Darwin i Descent of Man ii Expressions of Emotions in Man and Animals iii Biographical Sketch of an Infant Application of Evolutionary Theory a Leta Stetter Hollingworth i Disproved the Variability Hypothesis ii The Psychology of the Adolescent Current Lecture II Evolutionary Theory a Charles Darwin i Descent of Man 1 Continuity of species ii Expressions of Emotions in Man and Animals 1872 1 Why human emotions developed adaptive 2 Emotions are universal and have survival value a Example surprised get more visual information of situation in order to react open eyes wider 3 James C Browne psychiatrist a Saw emotions as inherent innate b Schizophrenia reverted back to animalistic state i Do they still show emotional reactions ii If yes then emotions are inherent iii Biographical Sketch of an Infant 1 Observations of son 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 III 2 Clumsy muscle coordination but had instinctual and efficient reflexes yawning stretching a Involuntary innate vs voluntary muscle coordination learned 3 Development of was continuous gradual change takes a while to see major changes Application of Evolutionary Theory a Leta Stetter Hollingworth i Disproved the Variability Hypothesis Men are physically and psychologically more variable less average more diverse than women 1 Justification for why women should stay home 2 Genetically 3 Male infants not more variable on height weight cranial measurements males are little taller but not more diverse 4 Male achievements results from greater vocational options a IQ was more variable as adults than teenage years no variability in young children environment instead of genetics ii The Psychology of the Adolescent 1928 1 Development was continuous gradual a Rather than stages in big jumps
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