More than 1000 genes have been linked to intelligence.
Researchers identified over 1000 genes associated with intelligence. Genes linked to intelligence are correlated with neurological and psychiatric disorders.
Researcher performed a study on 270,000 individuals to find the intelligence genes. Participants took part in neurocognitive test that measured their intelligence scores were then compared with their DNA, which allowed scientists to find mutations associated with higher intelligence. The study led to other genetic discoveries as well. Scientists found that intelligence genes are linked to longevity people with higher intelligence are likely to live longer.
These genes also protect overall cognitive health of an individual. People who have these genes did not neurological disorders such as Alzheimer's Attention-Defict Hyperactivity Disorder, or Schizophrenia suggesting that intelligence protects against these disorders.
Researchers also found a correlation of intelligence genes with higher risk for Autism.In a previous study more than 500 genes were linked to intelligence. Genes linked to intelligence also appeared to influence other biological functions. The study suggested that health and intelligence are related. Because some of the genes influences both health and intelligence. It's still not clear what in the brain accounts for intelligence. Maybe intelligence is how efficiently a brain can send signals from one region to another.
*However, intelligence is profoundly shaped by the environment not only genes. Well-nourished children brought up in safe, unpolluted and stimulating environments scores better in IQ tests than deprived children. The findings could allow new experiments into the biological basis of reasoning and problem-solving. New intervention treatments can be developed for children struggling to learn in a separate study, researchers identified 599 genes linked to neuroticism. *
Neurotic trails include anxiety and depression. This study suggests that people who worry alot inherited different genes than those who more likely to be depressed. This suggests there are different genetic pathways that underlie these behaviors.
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