PSY 1101 Lecture Notes - Lecture 4: Heritability, Cerebral Cortex, Romanian Orphans

• School: University of Ottawa
• Department: Psychology
• Course: PSY 1101
• Professor: Brenda Baird

Document Summary

Here, they differ from fraternal twins: resea(cid:396)(cid:272)h (cid:449)ithi(cid:374) the past 10 years has begun to point to genetic markers for intelligence. The evidence points to a polygenetic mechanism, involving more than one gene. Find a vacant but beautiful island cut off from the rest of the world (good luck with that ). Populate the island with couples from very different socioeconomic backgrounds (some rich, some poor, some middle class). Each couple has 1 baby on the island. All couples live in similar homes, have the same food, same amount of money, etc. Early environmental influences: adl(cid:455), the(cid:396)e a(cid:396)e too (cid:373)a(cid:374)(cid:455) cases where children have been raised in unstimulating environments. A classic case from recent history is romanian orphans left mostly unattended in orphanages in post- The iranian orphanage case cited in the textbook (p. 408) is another: b(cid:396)iefl(cid:455), these (cid:862)a(cid:271)a(cid:374)do(cid:374)ed(cid:863) (cid:272)hild(cid:396)e(cid:374) had (cid:271)asi(cid:272)all(cid:455) (cid:374)o interaction with adults, and their development was stunted.