Intelligence is a fixed characteristic over time that depends mainly on genetics

Scientific Evidence Platform Needs more evidence Intelligence is a fixed characteristic over time that depends mainly on genetics
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I think this is false. Intelligence is something that varies over time and is highly dependent on the learning-directed interactions that a person participates in a social context.

 

 

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Gontzal Uriarte

This is a hoax, because the IQ is rising through generations in some countries.

“The phenomenon of rising IQ scores in high-income nations over the 20th century, known as the Flynn Effect, indicates historical increase in mental abilities related to planning, organization, working memory, integration of experience, spatial reasoning, unique problem-solving, and skills for goal-directed behaviors.”

This paper suggests that the Mass Education is the key to this increase in the intelligence of the population, generation after generation.

David P. Baker, Paul J. Eslinger, Martin Benavides, Ellen Peters, Nathan F. Dieckmann, Juan Leon, The cognitive impact of the education revolution: A possible cause of the Flynn Effect on population IQ, Intelligence, Volume 49, 2015,
https://doi.org/10.1016/j.intell.2015.01.003.

Claudia Almerge

La inteligencia como tal puede desarrollarse más o menos según varios factores ambientales, no solo hereditarios. Algunos de estos serian: el momento histórico, la cultura de esa población, la experiencia de la propia persona, etc. Con esto comprobamos que esta imagen no es más que un bulo, pues no hay un único factor y mucho menos genético del que nuestra inteligencia dependa como bien demostraron los experimentos con base en la neurologia y explicados en el siguiente articulo online.(David P. Baker, Paul J. Eslinger, Martin Benavides, Ellen Peters, Nathan F. Dieckmann, Juan Leon, The cognitive impact of the education revolution: A possible cause of the Flynn Effect on population IQ, Intelligence, Volume 49, 2015, https://doi.org/10.1016/j.intell.2015.01.003)

JuliaCapellades

El debate sobre al heredabilidad de la inteligencia genera mucha controversia. Diferentes investigadores afirman que la capacidad cognitiva general depende principalmente de factores genéticos, aunque el ambiente también influye en el cambio de las capacidades cognitivas (Mollon et al., 2021).
Las habilidades cognitivas especificas tales como la atención (Fan et al., 2001), la memoria de trabajo (Robinson et al., 2015) y la memoria declarativa (Knowles et al., 2014), también son heredables. Además, “la heredabilidad de la cognición esta moderada por la edad ya que la heredabilidad del coeficiente intelectual aumenta un 40% a principios de la infancia y más del 80% en la edad adulta”(Haworth et al., 2009). Este hecho supone que la influencia genética aumenta en función de la edad, aunque no de forma lineal, sino que depende del período de desarrollo y de las habilidades cognitivas específicas individuales (Mollon et al., 2021). 

JuliaCapellades

Aunque muchos estudios científicos concluían que la genética determina la inteligencia del individuo, también hay estudios que indican lo contrario. Se ha demostrado que el coeficiente intelectual disminuye durante las generaciones en algunos países (Baker et al., 2015). Por lo tanto, se puede concluir que, aunque la mayoría de investigaciones afirman que la inteligencia es un carácter adquirido durante las generaciones, es necesario investigar más sobre este tema para concluir que la genética es el principal factor que determina la inteligencia del individuo. 

JuliaCapellades

Baker, D. P., Eslinger, P. J., Benavides, M., Peters, E., Dieckmann, N. F., & Leon, J. (2015). The cognitive impact of the education revolution: A possible cause of the Flynn Effect on population IQ. Intelligence, 49, 144–158. https://doi.org/10.1016/j.intell.2015.01.003
Fan, J., Wu, Y., Fossella, J. A., & Posner, M. I. (2001). Assessing the heritability of attentional networks. BMC Neuroscience, 2. https://doi.org/10.1186/1471-2202-2-14
Haworth, C. M. A., Wright, M. J., Martin, N. W., Martin, N. G., Boomsma, D. I., Bartels, M., Posthuma, D., Davis, O. S. P., Brant, A. M., Corley, R. P., Hewitt, J. K., Iacono, W. G., McGue, M., Thompson, L. A., Hart, S. A., Petrill, S. A., Lubinski, D., & Plomin, R. (2009). A twin study of the genetics of high cognitive ability selected from 11,000 twin pairs in six studies from four countries. Behavior Genetics, 39(4), 359–370. https://doi.org/10.1007/s10519-009-9262-3

JuliaCapellades

Knowles, E. E. M., Mathias, S. R., McKay, D. R., Sprooten, E., Blangero, J., Almasy, L., & Glahn, D. C. (2014). Genome-Wide Analyses of Working-Memory Ability: A Review. Current Behavioral Neuroscience Reports, 1(4), 224–233. https://doi.org/10.1007/s40473-014-0028-8
Mollon, J., Knowles, E. E. M., Mathias, S. R., Gur, R., Peralta, J. M., Weiner, D. J., Robinson, E. B., Gur, R. E., Blangero, J., Almasy, L., & Glahn, D. C. (2021). Genetic influence on cognitive development between childhood and adulthood. Molecular Psychiatry, 26(2), 656–665. https://doi.org/10.1038/s41380-018-0277-0
Robinson, E. B., Kirby, A., Ruparel, K., Yang, J., McGrath, L., Anttila, V., Neale, B. M., Merikangas, K., Lehner, T., Sleiman, P. M. A., Daly, M. J., Gur, R., Gur, R., & Hakonarson, H. (2015). The genetic architecture of pediatric cognitive abilities in the Philadelphia Neurodevelopmental Cohort. Molecular Psychiatry, 20(4), 454–458. https://doi.org/10.1038/mp.2014.65

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