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Developmental Psychology

This article explores the intricate interplay of genetics and environmental factors in developmental psychology. It covers essential concepts such as natural selection, the role of sex-linked genes, and the genetic principles behind various abnormalities, including Down Syndrome and Fragile X. Furthermore, it examines the impact of prenatal development on neural activity and discusses crucial topics like teratogens and birth defects. Insights into behavioral genetics using identical twins and adoption studies shed light on how genes and environment collaborate in shaping individuals.

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Developmental Psychology

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Presentation Transcript

  1. Developmental Psychology Biological Beginnings

  2. Genetics • Natural selection • Sources of genetic variability

  3. Genetic Principles • Sex linked genes • A trait that is affected by the interaction of several different genes

  4. Genetic Abnormalities • Down Syndrome • Fragile X • Phenylketonuria

  5. Genes v Environmental Factors • Behavior genetics • Identical twins • Adoption studies

  6. Gene/Environment Correlations • Possible inheritance of environment: • interaction • Evocative genotype environmental interaction • interaction

  7. Fetal Development • Age of viability • Development of Neural activity

  8. Prenatal Development • Factors affecting damage due to teratogens

  9. Specific Teratogens • Alcohol • Malformation of limbs, urinary tract, damage to lungs

  10. Birth Defects – Postconception Testing • Sonogram ( ) • (10 weeks) • Amniocentrisis ( )

  11. Birth • APGAR scale

  12. Birth Complications • Anoxia • Difficulties in movement, speech which result from brain damage • Low Birthweight

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