PSYA02H3 Chapter 9.3: PSYA02H3 Chapter 9.: Chapter 9.3
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When einstein died, they cut up his brain and found out that he had higher than normal ration of glial cells to neurons in the left parietal lobe and parts of the temporal lobe. A higher density of neurons in the right frontal lobe. Einstein"s parietal lobe has been shown to be about 15% larger than average, and to contain an extra fold. The genetics of intelligence: twin and adoption studies. Research have shown that genetic similarity does contribute to intelligence test scores the degree of genetic relatedness increases, similarity in iq scores also increases. The intelligence scores of identical twins correlate with each other at about. 0. 85 when they are raised in the same home. Even when identical twins are adopted and raised apart, their intelligence. Scores are still correlated at approximately 0. 80. This can be assimilated to a same person taking a test twice. Estimated to be in between 40% and 80%
