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Related Concept Videos

Learning Disabilities01:25

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 Cognition01:27

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.
Attention-Deficit/Hyperactivity Disorder01:30

Attention-Deficit/Hyperactivity Disorder

Attention-deficit/hyperactivity disorder (ADHD) is a neurodevelopmental disorder characterized by persistent inattention, hyperactivity, and impulsivity. It affects approximately 5-8% of children globally, with around 60-70% of cases persisting into adulthood. ADHD has significant implications for educational attainment, social interactions, and occupational success.
Diagnostic Criteria and Symptoms
To diagnose ADHD, symptoms must manifest before age 12 and be evident across multiple settings.

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Related Experiment Video

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An Operant Intra-/Extra-dimensional Set-shift Task for Mice
08:35

An Operant Intra-/Extra-dimensional Set-shift Task for Mice

Published on: January 22, 2016

Dyslexia and attentional shifting.

Gijsbert Stoet1, Hayley Markey, Beatriz López

  • 1Institute of Psychological Sciences, University of Leeds, Leeds, United Kingdom. g.stoet@leeds.ac.uk

Neuroscience Letters
|October 10, 2007
PubMed
Summary

Dyslexia impacts reading and non-linguistic skills. While dyslexics show perceptual attention shifting deficits, their central cognitive task-switching abilities are normal, suggesting peripheral neural pathway issues.

Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Developmental Disorders

Background:

  • Dyslexia is a neurocognitive deficit impacting reading and non-linguistic functions.
  • Individuals with dyslexia exhibit altered performance in attentional blink paradigms, suggesting impaired visual attention shifting.
  • It remains unclear if dyslexia affects attentional shifting at peripheral or central cognitive processing levels.

Purpose of the Study:

  • To investigate whether attentional shifting difficulties in dyslexia occur at the central cognitive processing level.
  • To differentiate between peripheral and central attentional shifting impairments in individuals with dyslexia.

Main Methods:

  • A task-switching paradigm was employed to compare dyslexic readers and normal readers.
  • Performance metrics were analyzed across various task conditions to assess attentional shifting capacity.

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Last Updated: Jul 11, 2026

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The Attentional Set Shifting Task: A Measure of Cognitive Flexibility in Mice
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Main Results:

  • No specific impairments in task-switching were observed in individuals with dyslexia.
  • Dyslexic readers demonstrated significantly slower performance across all experimental conditions compared to normal readers.
  • This suggests that while perceptual attentional shifting may be impaired, central task-switching is not.

Conclusions:

  • Dyslexia is associated with attentional shifting deficits primarily at the perceptual level.
  • The capacity for rapid task-switching at a central cognitive level appears intact in individuals with dyslexia.
  • Findings support the hypothesis that dyslexia-related visual attention issues stem from peripheral neural pathway anomalies, potentially in the magnocellular system.