Related Experiment Video
Updated: Apr 18, 2026

15:00
Assessing Dyslexia at Six Year of Age
Published on: May 1, 2020
9.0K
Phonological processing deficits as a universal model for dyslexia: evidence from different orthographies
Ana Luiza Gomes Pinto Navas1, Érica de Cássia Ferraz2, Juliana Postigo Amorina Borges2
1School of Speech-Language Pathology and Audiology, School of Medical Sciences, Santa Casa de São Paulo - FCMSCSP, São Paulo, SP, Brazil.
Codas
|January 16, 2015
Summary
The phonological processing deficit hypothesis for dyslexia is universal, applying across various languages and writing systems. This finding supports its broad applicability beyond English speakers.
Area of Science:
- Linguistics
- Cognitive Science
- Developmental Psychology
Background:
- Dyslexia is a common learning difficulty.
- The phonological processing deficit hypothesis is a leading explanation for dyslexia.
- Most research has focused on English speakers.
Purpose of the Study:
- To test the universality of the phonological processing deficit hypothesis for dyslexia.
- To examine if the hypothesis applies to non-English languages and diverse writing systems.
Main Methods:
- Systematic review of scientific literature.
- Searched PubMed, Science Direct, and SciELO databases.
- Included studies from 2004-2014 using terms 'phonological processing' and 'dyslexia'.
Main Results:
- The phonological processing deficit hypothesis was investigated in multiple languages.
- Studies included various writing systems: ideographic, syllabic, logographic, and alphabetic.
- Orthographic consistency varied across the included studies.
Conclusions:
- The phonological processing deficit hypothesis is a valid explanation for dyslexia.
- This hypothesis holds true across a wide range of spoken languages.
- The findings support the hypothesis's applicability across diverse writing systems.
Related Concept Videos
Learning Disabilities
763
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...
Dyslexia
Dyslexia is a...
763
Language and Cognition
1.0K
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.
1.0K
Higher Mental Functions of the Brain: Language
4.3K
Language is a system of communication that allows the expression of thoughts, ideas, and feelings. The brain processes language in both hemispheres.
Language formation and comprehension take place in the dominant hemisphere. The dominant hemisphere is responsible for understanding the meaning of spoken, written, or sign language, as well as the ability to communicate. For most people, the left hemisphere is the dominant one. The right hemisphere, then, gives tone and emotional context to the...
Language formation and comprehension take place in the dominant hemisphere. The dominant hemisphere is responsible for understanding the meaning of spoken, written, or sign language, as well as the ability to communicate. For most people, the left hemisphere is the dominant one. The right hemisphere, then, gives tone and emotional context to the...
4.3K
Information Processing Approach
856
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...
856
Language Development
1.1K
Children master language quickly and with relative ease, supported by both biological predisposition and reinforcement. B. F. Skinner (1957) proposed that language is learned through reinforcement, while Noam Chomsky (1965) argued that language acquisition mechanisms are biologically determined.
The critical period for language acquisition suggests that the ability to acquire language is at its peak early in life. As people age, this proficiency decreases. Language development begins very...
The critical period for language acquisition suggests that the ability to acquire language is at its peak early in life. As people age, this proficiency decreases. Language development begins very...
1.1K

