Because of a lapse in government funding, the information on this website may not be up to date, transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted. The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov. Updates regarding government operating status and resumption of normal operations can be found at opm.gov.

NLM Logo

Dyslexia MeSH Descriptor Data 2026


MeSH Heading
Dyslexia
Tree Number(s)
C10.597.606.150.500.300
C10.597.606.150.550.700.500
C23.888.592.604.150.500.300
C23.888.592.604.150.550.700.500
F03.625.374.188.700.500
F03.625.562.700.500
Unique ID
D004410
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D004410
Annotation
dyslexia caused by a brain lesion is DYSLEXIA, ACQUIRED; note x-ref: ALEXIA, PURE is also available
Scope Note
A cognitive disorder characterized by an impaired ability to comprehend written and printed words or phrases despite intact vision. This condition may be developmental or acquired. Developmental dyslexia is marked by reading achievement that falls substantially below that expected given the individual's chronological age, measured intelligence, and age-appropriate education. The disturbance in reading significantly interferes with academic achievement or with activities of daily living that require reading skills. (From DSM-IV)
Entry Term(s)
Alexia
Developmental Reading Disorder
Dyslexia, Developmental
Reading Disability, Developmental
Reading Disorder
Reading Disorder, Developmental
Word Blindness
See Also
Learning Disabilities
Public MeSH Note
1966; see READING 1963-1965; for ALEXIA see DYSLEXIA, ACQUIRED 1977-1999
History Note
1966(1963); for ALEXIA use DYSLEXIA, ACQUIRED 1977-1999
Date Introduced
1966/01/01
Last Updated
2024/08/09
Dyslexia Preferred
Alexia Narrower
Reading Disorder, Developmental Narrower
Reading Disorder Broader
page delivered in 0.134s