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Video Experimental Relacionado

Updated: Jul 16, 2026

In Vivo Modeling of the Morbid Human Genome using Danio rerio
12:31

In Vivo Modeling of the Morbid Human Genome using Danio rerio

Published on: August 24, 2013

Modularidad cognitiva y trastornos genéticos.

S J Paterson1, J H Brown, M K Gsödl

  • 1Neurocognitive Development Unit, Institute of Child Health, University College, London WC1N 1EH, UK.

Science (New York, N.Y.)
|December 22, 1999
PubMed
Resumen

Los modelos neuropsicológicos pueden no explicar los trastornos genéticos del desarrollo. Los bebés con síndrome de Williams muestran un desarrollo cognitivo distinto, mejorando en el lenguaje pero disminuyendo en numerosidad con el tiempo.

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Área de la Ciencia:

  • Psicología del desarrollo psicología del desarrollo.
  • La neurociencia es la neurociencia.
  • Genética La genética.

Sus antecedentes:

  • Los modelos neuropsicológicos de adultos a menudo se aplican para comprender los trastornos genéticos del desarrollo.
  • Los modelos existentes asumen que los perfiles cognitivos en la infancia o la edad adulta reflejan los estados infantiles iniciales, con módulos que están intactos o deteriorados desde el nacimiento.

Objetivo del estudio:

  • Desafiar la aplicación de modelos neuropsicológicos adultos a los trastornos genéticos del desarrollo.
  • Investigar las trayectorias de desarrollo de las habilidades cognitivas en bebés con síndrome de Williams.

Principales métodos:

  • Se realizaron dos experimentos con bebés diagnosticados con el síndrome de Williams.
  • Las evaluaciones cognitivas se centraron en los juicios de numeridad y las habilidades lingüísticas en diferentes etapas de desarrollo.

Principales resultados:

  • Se observó una doble disociación dentro del síndrome en el síndrome de Williams.
  • Los bebés se desempeñaron bien en tareas de numerosidad en la infancia, pero disminuyeron en la edad adulta.
  • Por el contrario, las habilidades lingüísticas eran pobres en la infancia, pero mejoraron en la edad adulta.

Conclusiones:

  • Las trayectorias de desarrollo en los trastornos genéticos pueden ser complejas y no necesariamente se alinean con los modelos adultos.
  • Los hallazgos sugieren una interacción dinámica del desarrollo cognitivo, desafiando las suposiciones de modularidad innata estática.
  • Los resultados pueden requerir una reevaluación de los enfoques teóricos y clínicos para estudiar los trastornos genéticos.