What does this research mean for the field?

In transparent orthographies, developmental dyslexia is highly heterogeneous and characterized by overlapping deficit profiles, with rapid automatized naming deficits and generalized reading impairments being the most prevalent weaknesses. Novelty: ClaimNovelty.CONFIRMATORY. Consensus alignment: ConsensusAlignment.SUPPORTS_CONSENSUS.

What question did this study set out to answer?

To evaluate the frequency, co-occurrence, and profile heterogeneity of phonological deficits, reading difficulties, and cognitive-linguistic weaknesses in children with developmental dyslexia in a transparent orthography.

August 30, 2026Acta PsychologicaOpen Access

Profiles of reading and cognitive-linguistic weaknesses in developmental dyslexia: Evidence from a large clinical sample in a transparent orthography

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Authors

BRBartosz M. Radtke MŁMarta Łockiewicz PJPaweł Jurek

Discussion

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Overview

Archival clinical study reveals diverse overlapping reading and phonological deficits in youth with dyslexia, highlighting distinct cognitive profiles in transparent orthographies.

Key Points

To evaluate the frequency, co-occurrence, and profile heterogeneity of phonological deficits, reading difficulties, and cognitive-linguistic weaknesses in children with developmental dyslexia in a transparent orthography.
Analyzed archival assessment data from 2,515 Polish children and adolescents aged 10–18 years diagnosed with developmental dyslexia.
Evaluated deficit profiles and overlap using age-normed standardized scores across nine subtests measuring phonological processing, reading components, and cognitive-linguistic abilities.
Rapid automatized naming was the most frequent isolated phonological deficit, whereas isolated phonological awareness deficits were rare.
Generalized reading deficits encompassing decoding, fluency, and comprehension were more common than isolated reading issues, with comprehension being the most vulnerable domain.
Verbal short-term memory was the most frequent cognitive-linguistic deficit, and the extent of reading difficulties correlated directly with the breadth of phonological and cognitive impairments.

Cite This Study

Radtke et al. (2026) studied this question.

synapsesocial.com/papers/6a93f00a6c1a8fb52e79c025 https://doi.org/10.1016/j.actpsy.2026.107717

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August 30, 2026Acta PsychologicaOpen Access

Profiles of reading and cognitive-linguistic weaknesses in developmental dyslexia: Evidence from a large clinical sample in a transparent orthography

View Full Paper

Ask AI

Bookmark

Authors

BRBartosz M. Radtke MŁMarta Łockiewicz PJPaweł Jurek

Discussion

Member takes

Overview

Archival clinical study reveals diverse overlapping reading and phonological deficits in youth with dyslexia, highlighting distinct cognitive profiles in transparent orthographies.

Key Points

To evaluate the frequency, co-occurrence, and profile heterogeneity of phonological deficits, reading difficulties, and cognitive-linguistic weaknesses in children with developmental dyslexia in a transparent orthography.
Analyzed archival assessment data from 2,515 Polish children and adolescents aged 10–18 years diagnosed with developmental dyslexia.
Evaluated deficit profiles and overlap using age-normed standardized scores across nine subtests measuring phonological processing, reading components, and cognitive-linguistic abilities.
Rapid automatized naming was the most frequent isolated phonological deficit, whereas isolated phonological awareness deficits were rare.
Generalized reading deficits encompassing decoding, fluency, and comprehension were more common than isolated reading issues, with comprehension being the most vulnerable domain.
Verbal short-term memory was the most frequent cognitive-linguistic deficit, and the extent of reading difficulties correlated directly with the breadth of phonological and cognitive impairments.

Cite This Study

Radtke et al. (2026) studied this question.

synapsesocial.com/papers/6a93f00a6c1a8fb52e79c025 https://doi.org/10.1016/j.actpsy.2026.107717

Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

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