Inteligência e Testes de QI
     
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Secrets of the human brain unlocked PDF Versão para impressão Enviar por E-mail

Human intelligence is being defined and measured for the first time ever, by researchers at the University of Warwick. Led by Professor Jianfeng Feng in the Department of Computer Science, studies at Warwick and in China have been recently undertaken to quantify the brain's dynamic functions, and identify how different parts of the brain interact with each other at different times -- namely, to discover how intellect works.

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The combination of human and artificial intelligence will define humanity’s future PDF Versão para impressão Enviar por E-mail

Through the past few decades of summer blockbuster movies and Silicon Valley products, artificial intelligence (AI) has become increasingly familiar and sexy, and imbued with a perversely dystopian allure. What’s talked about less, and has also been dwarfed in attention and resources, is human intelligence (HI). In its varied forms — from the mysterious brains of octopuses and the swarm-minds of ants to Go-playing deep learning machines and driverless-car autopilots — intelligence is the most powerful and precious resource in existence.

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IQdb: an intelligence quotient score-associated gene resource for human intelligence PDF Versão para impressão Enviar por E-mail

Intelligence quotient (IQ) is the most widely used phenotype to characterize human cognitive abilities. Recent advances in studies on human intelligence have identified many new susceptibility genes. However, the genetic mechanisms involved in IQ score and the relationship between IQ score and the risk of mental disorders have won little attention. To address the genetic complexity of IQ score, we have developed IQdb, a publicly available database for exploring IQ-associated human genes. In total, we collected 158 experimental verified genes from literature as a core dataset in IQdb. In addition, 46 genomic regions related to IQ score have been curated from literature. Based on the core dataset and 46 confirmed linked genomic regions, more than 6932 potential IQ-related genes are expanded using data of protein–protein interactions.

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Life Extension Factor Klotho Enhances Cognition PDF Versão para impressão Enviar por E-mail

In a paper just published in Cell Reports, Dena Dubal, Lennart Mucke, and their colleagues provide strong evidence that klotho enhances cognitive function, separate from its effects on aging. They started by looking at humans carrying an interesting variant of the KLOTHO gene. The variant was known to be associated with increased longevity, and the authors show that it leads to higher levels of klotho in the blood. Moreover, they show that carriers of the variant exhibit enhanced cognition, scoring higher on multiple tests of various aspects of cognitive function. The results suggest that systemic increases in klotho levels can improve cognitive function. So the authors took the experiments into mice. They found that elevation of klotho levels leads to improved learning and memory, seen in various tasks and shown not to be age-dependent. They went on to describe specific effects on synaptic function and plasticity that may account for the cognitive changes.

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