3 ms·
Oh my god, it's literally the thesis from Idiocracy.
by rdw 10y ago
Oh my god, it's literally the thesis from Idiocracy.
- gwern 10y agoMakes for some interesting bedtime reading in conjunction with the recent GWAS studies showing declines in polygenic education/intelligence scores.
- simonsarris 10y agoDo you have any recommended links for those recent studies?
- gwern 10y agoSure. Here's a short collection: - "Sexual Selection as a Justification for Sex" http://www.unz.com/gnxp/sexual-selection-as-a-justification-for-sex/ http://www.unz.com/gnxp/sexual-selection-as-a-justification-... - "Holocene selection for variants associated with cognitive ability: Comparing ancient and modern genomes" http://biorxiv.org/content/early/2017/02/20/109678 http://biorxiv.org/content/early/2017/02/20/109678 , Woodley et al 2017 - "Rates and Fitness Consequences of New Mutations in Humans" http://www.genetics.org/content/190/2/295.full http://www.genetics.org/content/190/2/295.full , Keightley 2012 - "Parent-of-origin-specific signatures of de novo mutations" https://www.gwern.net/docs/genetics/2016-goldmann.pdf https://www.gwern.net/docs/genetics/2016-goldmann.pdf , Goldmann et al 2016 - "Older fathers' children have lower evolutionary fitness across four centuries and in four populations" http://biorxiv.org/content/early/2016/03/08/042788 http://biorxiv.org/content/early/2016/03/08/042788 , Arslan et al 2016 (from "The cost of inbreeding in terms of health" http://www.unz.com/gnxp/the-cost-of-inbreeding-in-terms-of-health/ http://www.unz.com/gnxp/the-cost-of-inbreeding-in-terms-of-h... ) - "Childhood Autism and Assortative Mating" http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.422.4232&rep=rep1&type=pdf http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.422... , Golden 2013 - "Heritability, Autism, & Fear of Breeding" http://www.unz.com/gnxp/heritability-autism-fear-of-breeding/ http://www.unz.com/gnxp/heritability-autism-fear-of-breeding... - "Estimating the Inbreeding Depression on Cognitive Behavior: A Population Based Study of Child Cohort" http://www.plosone.org/article/info:doi/10.1371/journal.pone.0109585 http://www.plosone.org/article/info:doi/10.1371/journal.pone... ; see also "Genetic diversity and intellectual disability" http://blogs.discovermagazine.com/gnxp/2013/07/genetic-diversity-and-intellectual-disability/ http://blogs.discovermagazine.com/gnxp/2013/07/genetic-diver... - "Mutation and Human Exceptionalism: Our Future Genetic Load" http://www.genetics.org/content/202/3/869 http://www.genetics.org/content/202/3/869 , Lynch 2016 - "The Biodemography of Fertility: A Review and Future Research Frontiers" https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4577548/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4577548/ , Mills & Tropf 2015 - Fertility and intelligence https://en.wikipedia.org/wiki/Fertility_and_intelligence https://en.wikipedia.org/wiki/Fertility_and_intelligence - "Genetic evidence for natural selection in humans in the contemporary United States" http://biorxiv.org/content/early/2016/05/05/037929 http://biorxiv.org/content/early/2016/05/05/037929 , Beauchamp 2016 - "Assortative mating and differential fertility by phenotype and genotype across the 20th century" http://www.pnas.org/content/early/2016/05/25/1523592113.full http://www.pnas.org/content/early/2016/05/25/1523592113.full , Conley et al 2016a (Dysgenics found in the USA, 1920-1955. Appendix http://www.pnas.org/content/suppl/2016/05/25/1523592113.DCSupplemental/pnas.1523592113.sapp.pdf http://www.pnas.org/content/suppl/2016/05/25/1523592113.DCSu... ); see also "Changing Polygenic Penetrance on Phenotypes in the 20th Century Among Adults in the US Population" http://www.nature.com/articles/srep30348 http://www.nature.com/articles/srep30348 , Conley et al 2016b - in Iceland: decrease in the education polygenic score 1910-1990, "Selection against variants in the genome associated with educational attainment" https://www.gwern.net/docs/genetics/2017-kong.pdf https://www.gwern.net/docs/genetics/2017-kong.pdf , Kong et al 2017 (graph https://www.gwern.net/images/genetics/2017-kong-iceland-education-dysgenics.png https://www.gwern.net/images/genetics/2017-kong-iceland-educ... ; media https://www.theguardian.com/science/2017/jan/16/natural-selection-making-education-genes-rarer-says-icelandic-study https://www.theguardian.com/science/2017/jan/16/natural-sele... "Natural selection making 'education genes' rarer, says Icelandic study: Researchers say that while the effect corresponds to a small drop in IQ per decade, over centuries the impact could be profound" ) - in the US: decrease in the education polygenic score 1920-1960, "Mortality Selection in a Genetic Sample and Implications for Association Studies" http://biorxiv.org/content/early/2016/04/21/049635 http://biorxiv.org/content/early/2016/04/21/049635 , Domingue et al 2016 (graph https://www.gwern.net/images/genetics/2016-domingue-usa-education-dysgenics.png https://www.gwern.net/images/genetics/2016-domingue-usa-educ... ) - "Genome-wide analysis identifies 12 loci influencing human reproductive behavior" https://www.gwern.net/docs/genetics/correlation/2016-barban.pdf https://www.gwern.net/docs/genetics/correlation/2016-barban.... , Barban et al 2016 (supplement http://www.nature.com/ng/journal/v48/n12/extref/ng.3698-S2.xls http://www.nature.com/ng/journal/v48/n12/extref/ng.3698-S2.x... ; genetic correlations with fewer later offspring: _r~g~_ = -0.236 and 0.712 respectively. Cross-sectional confirmation of Conley et al 2016. ) - "How cognitive genetic factors influence fertility outcomes: A mediational SEM analysis" http://biorxiv.org/content/early/2016/08/18/070128 http://biorxiv.org/content/early/2016/08/18/070128 , Woodley et al 2016 - "The negative Flynn Effect: A systematic literature review" https://www.gwern.net/docs/iq/2016-dutton.pdf https://www.gwern.net/docs/iq/2016-dutton.pdf , Dutton et al 2016 - "Assortative Mating, Class, and Caste" https://www.gwern.net/docs/genetics/2015-harpending.pdf https://www.gwern.net/docs/genetics/2015-harpending.pdf , Harpending & Cochran 2015
- my_first_acct 10y agoAnd the thesis from "The Marching Morons" (1951) [1][2] [1] Spoilers: https://en.wikipedia.org/wiki/The_Marching_Morons https://en.wikipedia.org/wiki/The_Marching_Morons [2] Original publication: https://archive.org/details/Galaxy_v02n01_1951-04 https://archive.org/details/Galaxy_v02n01_1951-04