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PrincetonBuckeye
The eyes of Texas are upon you!
what she said....
My wife and I both have advanced degrees....I prefer intelligent woman...beauty is great but once a stupid woman opens her mouth its all over....Perfect example, Jessica Simpson. She is one of the most beautiful woman on the planet (IMO) but I couldn't stand being around her for more than 2 minutes because she is an idiot...
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Are genes of human intelligence related to the
metabolism of thyroid and steroids hormones?
Endocrine changes may explain human
evolution and higher intelligence
metabolism of thyroid and steroids hormones?
Endocrine changes may explain human
evolution and higher intelligence
H.R. Correia
*, S.C. Balseiro, M.L. de Areia
Department of Anthropology, University of Coimbra, Rua Paulo Quintela, 329,
We propose the hypothesis that genes of human intelligence are related with metabolism of thyroid and steroids hormones, which have a crucial role in brain development and function. First, there is evidence to support the idea that during hominid evolution small genetic differences were related with significant endocrine changes in thyroid and steroids hormones. Second, these neuroactive hormones are also related with unique features of human evolution such as body and brain size increase, penis and breast enlargement, pelvic sexual dimorphism, active sexuality, relative lack of hair and higher longevity. Besides underling many of the differences between humans and great apes, steroids hormones promote brain growth and development, are important in the myelination process, explain sexual dimorphisms in brain and intelligence and improve specific cognitive abilities in humans. Supporting our hypothesis, recent studies indicate differences in neuroactive hormones metabolism between humans and non-human primates.
Furthermore, a link between X chromosome genes and sex steroids may explain why the frequency of genes affecting intelligence is so high on the X chromosome. This association suggests that, during hominid evolution, there was a positive feedback in both sexes on the same genes responsible for secondary sexual character development and intelligence. This interaction leads to acceleration of development of human brain and intelligence. Finally, we propose that neuroactive hormone therapy may provide significant improvement in some cognitive deficits in all stages of human life and in cases of neurodegenerative diseases. However, further investigation is needed, mainly in the enzymatic machinery, in order to understand the direct role of these hormones in intelligence.
Citation:
Correia, H. R., S. C. Balseiro, and M. L. de Areia (2005), "Are genes of human intelligence related to the metabolism of thyroid and steroids hormones? - Endocrine changes may explain human evolution and higher intelligence," Medical Hypotheses, 65 (6), 1016-23.
Department of Anthropology, University of Coimbra, Rua Paulo Quintela, 329,
Lote 7, 3A. 3030 393 Coimbra, Portugal
Received 5 July 2005; accepted 8 July 2005
Received 5 July 2005; accepted 8 July 2005
Summary
We propose the hypothesis that genes of human intelligence are related with metabolism of thyroid and steroids hormones, which have a crucial role in brain development and function. First, there is evidence to support the idea that during hominid evolution small genetic differences were related with significant endocrine changes in thyroid and steroids hormones. Second, these neuroactive hormones are also related with unique features of human evolution such as body and brain size increase, penis and breast enlargement, pelvic sexual dimorphism, active sexuality, relative lack of hair and higher longevity. Besides underling many of the differences between humans and great apes, steroids hormones promote brain growth and development, are important in the myelination process, explain sexual dimorphisms in brain and intelligence and improve specific cognitive abilities in humans. Supporting our hypothesis, recent studies indicate differences in neuroactive hormones metabolism between humans and non-human primates.
Furthermore, a link between X chromosome genes and sex steroids may explain why the frequency of genes affecting intelligence is so high on the X chromosome. This association suggests that, during hominid evolution, there was a positive feedback in both sexes on the same genes responsible for secondary sexual character development and intelligence. This interaction leads to acceleration of development of human brain and intelligence. Finally, we propose that neuroactive hormone therapy may provide significant improvement in some cognitive deficits in all stages of human life and in cases of neurodegenerative diseases. However, further investigation is needed, mainly in the enzymatic machinery, in order to understand the direct role of these hormones in intelligence.
Citation:
Correia, H. R., S. C. Balseiro, and M. L. de Areia (2005), "Are genes of human intelligence related to the metabolism of thyroid and steroids hormones? - Endocrine changes may explain human evolution and higher intelligence," Medical Hypotheses, 65 (6), 1016-23.
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scooter1369
HTTR Forever.
Have to come to Peach's defense. She's proof that women with tata's can be smart too.
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sandgk;708904; said:That is cutting and cruel - and so, so, true
Is there a saying like, "once you've had kraut there isn't a doubt?"
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