PSYC 402 Lecture Notes - Lecture 2: Trophoblast, Blastocyst, Prenatal Development
Document Summary
Prenatal environmental influences: maternal attributes, teratogens. Examines the role of genes, environment and their interaction in individual differences. Family studies: compare people in same household. Hereditary influences on intelligence: family studies. More closely related, more similar: longititudinal. Identical twins more similar from 18 mos to 13 yrs: adoption studies. Adopted more closely resemble natural parents: but environment also affects. Environmental influences on individual differences: shared environmental experiences, non-shared environmental experiences. Within family: every child born into a different family. Everyone in the family experiences shared environmental experiences . Influences you but not other family members: non-shared environmental experiences . Parents provide genes and environment for children: evocative gene influences. Unique combination of genes elicit unique reactions from people: active gene influences (niche picking) We choose environments that fit our genetic predispositions. Prenatal periods of development: germinal period (period of the zygote) Beginning of the 3rd week to end of the 8th.
