Video Experimental Relacionado

Updated: Jan 8, 2026

Assessing Dyslexia at Six Year of Age

Assessing Dyslexia at Six Year of Age

Published on: May 1, 2020

Trayectorias de Desarrollo Anormales en el Cerebro de Individuos con Discapacidad Lectora: Cambios en el Desarrollo

Xiaohui Yan^1,2, Shilin Xu³, Guoyan Feng⁴

¹School of Psychology, Qufu Normal University, Jining, China.

Developmental science

|December 19, 2025

Resumen

La discapacidad lectora (DL) altera el desarrollo cerebral, mostrando diferentes patrones de activación en lectores típicos frente a aquellos con DL. Estos hallazgos resaltan las diferencias en el desarrollo y orientan intervenciones específicas para los desafíos de la lectura.

Área de la Ciencia:

Neurociencia
Psicología del Desarrollo
Psicología Educativa

Sus antecedentes:

Las bases neuronales del desarrollo de la lectura en individuos con discapacidad lectora (DL) siguen siendo en gran medida desconocidas.
El desarrollo típico de la lectura implica la maduración de regiones cerebrales específicas y cambios funcionales.
Comprender estas diferencias es crucial para estrategias de intervención efectivas.

Objetivo del estudio:

Investigar los patrones de activación cerebral relacionados con la edad en lectores típicos y en individuos con discapacidad lectora (DL).
Identificar cómo el cerebro apoya el desarrollo de la lectura y cómo la DL impacta esta trayectoria.
Explorar la relación entre el desarrollo neuronal, el procesamiento ortográfico y los déficits fonológicos en la DL.

Principales métodos:

Diseño de estudio transversal que abarca niños, adolescentes y adultos.
Se utilizaron técnicas de neuroimagen para analizar los patrones de activación durante tareas relacionadas con la lectura.
Comparación de la actividad neuronal entre lectores típicos e individuos con discapacidad lectora (DL) en diferentes grupos de edad.

Principales resultados:

Los lectores típicos exhibieron un cambio relacionado con la edad en la activación occipitotemporal izquierda (OT), lo que indica especialización ortográfica.
Los individuos con DL no mostraron este cambio de desarrollo en las regiones OT, lo que sugiere déficits ortográficos persistentes.
Los lectores con DL mostraron diferentes aumentos relacionados con la edad en el giro frontal inferior izquierdo y el área motora suplementaria en comparación con los lectores típicos, lo que podría reflejar mecanismos compensatorios o trayectorias de desarrollo alteradas.

Conclusiones:

La experiencia de la discapacidad lectora (DL) parece interrumpir las trayectorias típicas del desarrollo cerebral.
Los déficits funcionales persistentes en las regiones occipitotemporales izquierdas son característicos de la DL.
Los hallazgos sugieren que la DL afecta el desarrollo del procesamiento tanto ortográfico como fonológico, lo que requiere intervenciones apropiadas para la edad.

Palabras clave:

chino cambios en el desarrollo fMRI región occipitotemporal izquierda discapacidad lectora

Más Videos Relacionados

Author Spotlight: Validation of SICOLE-R for Assessing Cognitive and Reading Skills in Spanish-Speaking Children and Its Role in Personalized Education

Author Spotlight: Validation of SICOLE-R for Assessing Cognitive and Reading Skills in Spanish-Speaking Children and Its Role in Personalized Education

Published on: August 16, 2024

Eye-tracking to Distinguish Comprehension-based and Oculomotor-based Regressive Eye Movements During Reading

Eye-tracking to Distinguish Comprehension-based and Oculomotor-based Regressive Eye Movements During Reading

Published on: October 18, 2018

Videos de Conceptos Relacionados

Learning Disabilities

Learning Disabilities

Learning disabilities are cognitive disorders caused by neurological impairments that affect cognitive functions like language and reading, without indicating overall intellectual or developmental challenges. These disabilities differ from global intellectual or developmental disabilities as they are limited to distinct cognitive functions. Common learning disabilities include dysgraphia, dyslexia, and dyscalculia, each of which impacts unique aspects of learning.
Dyslexia
Dyslexia is a...

Language and Cognition

Language and Cognition

Language serves as a bridge between ideas and communication, influencing how individuals perceive and interact with the world. Psychologists have long debated whether language shapes thought or vice versa. This discussion gained grip with Edward Sapir and Benjamin Lee Whorf in the 1940s, who proposed that language determines thought, a concept known as linguistic determinism. They suggested that the vocabulary and structure of a language influence how its speakers think and perceive reality.

Information Processing Approach

Information Processing Approach

The information-processing theory of cognitive development centers on fundamental mental processes, including attention, memory, and problem-solving skills. Researchers in this field examine how cognitive abilities, such as working memory, evolve and influence children's overall development. Studies indicate that children with stronger working memory tend to excel in reading comprehension, math, and problem-solving compared to peers with less efficient memory skills. Low working memory is...

Intellectual Disability

Intellectual Disability

Intellectual disability (ID) is a neurodevelopmental condition characterized by deficits in intellectual and adaptive functioning that manifest during the developmental period. This condition encompasses challenges in reasoning, memory, problem-solving, and learning, accompanied by impairments in everyday life skills, such as communication, self-care, and social interactions. Intellectual disability affects approximately 1% of the population in the United States, impacting an estimated 5...

Introduction to Developmental Psychology

Introduction to Developmental Psychology

Developmental psychology explores the changes and continuities in human abilities throughout life, encompassing physical, cognitive, linguistic, and social dimensions. Human development is not restricted to growth, but includes aspects of decline, particularly in physical abilities as individuals age. Developmental psychologists seek to understand how people change as they age and how their mental and social skills evolve.Developmental MilestonesA key concept in developmental psychology is...

Autism Spectrum Disorder

Autism Spectrum Disorder

Autism spectrum disorder (ASD) is a neurodevelopmental condition marked by persistent deficits in social communication and interaction alongside restrictive and repetitive behaviors or interests. ASD is sometimes accompanied by intellectual impairment.
These core symptoms manifest differently among individuals, ranging from mild to severe. The disorder's complexity extends beyond its clinical presentation, encompassing a diverse range of biological, cognitive, and sociocultural influences.