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Is Human Intellect Degenerating? PDF Versão para impressão Enviar por E-mail
Escrito por Gerald R. Crabtree   
Terça, 19 Fevereiro 2013 09:51

"I would be willing to wager that if an average citizen from Athens of 1000 BC were to appear suddenly among us, he or she would be among the brightest and most intellectually alive of our colleagues and companions. We would be surprised by our time-visitor's memory, broad range of ideas and clear-sighted view of important issues. I would be willing to wager that if an average citizen from Athens of 1000 BC were to appear suddenly among us, he or she would be among the brightest and most intellectually alive of our colleagues and companions. We would be surprised by our time-visitor’s memory, broad range of ideas and clear-sighted view of important issues. I would also guess that he or she would be among the most emotionally stable of our friends and colleagues. I do not mean to imply something special about this time in history or the location, but would also make this wager for the ancient inhabitants of Africa, Asia, India or the Americas of perhaps 2,000 to 6,000 years ago. I mean to say simply that we Homo sapiens may have changed as a species in the past several thousand years and will use 3000 years to emphasize the potential rapidity of change and to provide a basis for calculations, although dates between 2,000 and 6,000 years ago might suffice equally well. The argument that I will make is that new developments in genetics, anthropology and neurobiology make a clear prediction about our historical past as a species and our possible intellectual fate. The message is simple: our intellectual and emotional abilities are genetically surprising fragile."

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Últimos artigos no Facebook... PDF Versão para impressão Enviar por E-mail
Escrito por Carlos Simões   
Sábado, 26 Janeiro 2013 21:52
 
Concepções pessoais de inteligência PDF Versão para impressão Enviar por E-mail
Escrito por Luísa Faria   
Sexta, 28 Dezembro 2012 21:00

"As teorias explícitas de inteligência, até agora as mais estudadas e divulgadas, representam conjuntos de construções teóricas de psicólogos, educadores e investigadores e são ancoradas numa avaliação da inteligência presumivelmente objectiva, através de testes e provas similares. Por sua vez, as teorias implícitas de inteligência representam conjuntos de crenças – que podem ser apresentadas por leigos, por cientistas e, até mesmo, por grupos sócio-profissionais específicos como, por exemplo, o dos professores – acerca da natureza, do desenvolvimento e das implicações da inteligência para as condutas dos indivíduos nos mais variados contextos de acção."

Luísa Faria in "Concepções pessoais de inteligência: na senda de um modelo organizador e integrador no domínio da motivação"

 
Fractionating human intelligence PDF Versão para impressão Enviar por E-mail
Escrito por Adam Hampshire, Roger R. Highfield, Beth Parkin, Adrian M. Owen   
Quinta, 27 Dezembro 2012 14:23

What makes one person more intellectually able than another? Can the entire distribution of human intelligence be accounted for by just one general factor? Is intelligence supported by a single neural system? Here, we provide a fresh perspective on human intelligence that takes into account how general abilities or  ‘factors' reflect the functional organization of the brain. By comparing factor models of individual differences in performance with factor models of brain functional organisation, we demonstrate that different components of intelligence have their analogues in distinct brain networks.

Anexo(s)
 Fractionating human intelligence (Adrian Owen, Adam Hampshire e Roger Highfield)[What makes one person more intellectually able than another? Can the entire distribution of human intelligence be accounted for by just one general factor? ]6759 Kb
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The Scary Smart Are The Scary Rich PDF Versão para impressão Enviar por E-mail
Escrito por Jonathan Wai   
Segunda, 24 Setembro 2012 21:38

The most recent edition of The Forbes 400, which ranks the 400 richest people in America, includes 48 tech billionaires. From this list, I have assessed whether the following people are in the top 1% of intellectual ability simply based on the school that they were admitted to as an undergraduate or graduate student. Attending an elite undergraduate or graduate institution requires a certain test score level, which according to Charles Murray in his book Coming Apart: The State of White America, 1960-2010, translates into an IQ score well within the top 1% if the institution has high enough median scores. According to Murray, "the average graduate of an elite college is at the 99th [per]centile of IQ of the entire population of 17-year-olds."

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Best evidence yet that a single gene can affect IQ PDF Versão para impressão Enviar por E-mail
Escrito por Andy Coghlan   
Domingo, 17 Junho 2012 09:46

A massive genetics study relying on MRI brain scans and DNA samples from over 20,000 people has revealed what is claimed as the biggest effect yet of a single gene on intelligence - although the effect is small. There is little dispute that genetics accounts for a large amount of the variation in people's intelligence, but studies have consistently failed to find any single genes that have a substantial impact. Instead, researchers typically find that hundreds of genes contribute.

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In Defense of Polymaths PDF Versão para impressão Enviar por E-mail
Escrito por KYLE WIENS   
Sábado, 19 Maio 2012 10:16
Polymath is one of those words more likely to show up on the SAT than in everyday conversation. But the reason we don't use the word much these days has less to do with vocabulary than it has to do with practicality: there aren't a lot of polymaths around anymore.

In case you don't have your pocket dictionary handy, a polymath is a person with a wide range of knowledge or learning. Think people like Leonardo da Vinci (artist and helicopter designer), Benjamin Franklin (founding father, inventor, and all-around lady-killer), Paul Robeson (scholar, athlete, actor, and civil rights activist), and even Steve Jobs (engineer, businessman extraordinaire, and marketing mastermind).

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The Myth of Inevitable Nature and Reversible Nurture PDF Versão para impressão Enviar por E-mail
Escrito por Matt Ridley   
Sábado, 17 Março 2012 19:11

For more than 50 years, sane voices have called for an end to the debate. Nature versus nurture has been declared everything from dead and finished to futile and wrong -a false dichotomy. Everybody with an ounce of common sense knows that human beings are a product of a transaction between the two. Yet nobody could stop the argument. Immediately after calling the debate futile or dead, the typical protagonist would charge into the battle himself and start accusing others of overemphasizing one or the other extreme. The two sides of this argument are the nativists, whom I will sometimes call geneticists, hereditarians, or naturians; and the empiricists, whom I will sometimes call environmentalists or nurturists.

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