Children
Learning Differences in Children
What changed in 2013, the criterion most parents are never told about, and which terms are not diagnoses at all.
- Editorially Reviewed
- Evidence Based
- Patient Focused
Learning differences describe persistent difficulty acquiring academic skills that isn't explained by intellectual ability, sensory impairment, or lack of instruction. In the DSM-5, most are diagnosed as a single condition — specific learning disorder — with specifiers identifying whether reading, written expression, or mathematics is affected. Familiar terms like dyslexia, dysgraphia, and dyscalculia describe these presentations and remain widely used by educators and clinicians, though in each case the formal diagnosis is specific learning disorder. A diagnosis requires difficulties persisting for at least six months despite targeted intervention, which is why documenting what a school has already tried matters. Estimates suggest 5 to 15 percent of school-age children have a learning disability.
What changed in 2013
Before the DSM-5, there were three separate diagnoses1: reading disorder, disorder of written expression, and mathematics disorder.
The DSM-5 merged them into one diagnosis — specific learning disorder — with three specifiers:
- with impairment in reading — word reading accuracy, reading rate or fluency, reading comprehension
- with impairment in written expression — spelling accuracy, grammar and punctuation, clarity or organization of written expression
- with impairment in mathematics — number sense, memorization of arithmetic facts, accurate or fluent calculation, accurate mathematical reasoning
A person can have one specifier or several. Many have more than one.
Why the change was made. The DSM-5 working group concluded that the many competing definitions of dyslexia and dyscalculia meant those terms wouldn't be useful as diagnostic names.2 Broadening the category was intended to identify more affected people, with the specifiers directing services precisely.
The manual still names the familiar terms. The APA's patient-facing material presents dyslexia as an alternative term for impairment in reading, and the DSM-5's own descriptions note dyscalculia as an alternative term for the mathematics specifier. Dysgraphia is the one that doesn't carry an equivalent note in the manual, though it remains in everyday clinical and educational use.
The criterion most parents aren't told about
Specific learning disorder requires difficulties persisting for at least six months despite the provision of interventions that target those difficulties.
That single clause has consequences most families discover too late. A diagnosis requires documented failure to respond to targeted intervention — not general classroom teaching, but intervention aimed specifically at the difficulty.
So "let's wait and see" doesn't just delay support. It delays the clock. If nobody has tried anything specific, the six months hasn't started.
What to do with this: ask the school, in writing, what targeted intervention is in place, what it's addressing, and how progress is being measured. That documentation is what an assessment will need — and requesting it starts the process rather than waiting for someone else to.
Terms that aren't diagnoses
Several widely used terms describe real difficulties without being diagnostic categories. Each has its own page.
| Term | Status |
|---|---|
| Executive function difficulties | Real and significant. Not a DSM-5 or ICD-11 category — assessed within other conditions. |
| Nonverbal learning disorder (NVLD) | Not in the DSM-5 or ICD-11. Researchers disagree whether it's distinct. |
| Twice-exceptional (2e) | Educational term for being both gifted and having a disability. Not clinical. |
| Giftedness | An educational designation, defined differently across districts. Not a diagnosis. |
Not being a diagnosis doesn't make a difficulty less real. It changes how support is accessed — usually through an associated diagnosis or an educational route rather than directly.
How assessment works
Who assesses — an educational psychologist, school psychologist, or clinical psychologist, sometimes alongside a speech-language pathologist or occupational therapist depending on the picture.
What's involved — developmental and educational history, standardized academic testing, cognitive assessment, observation, and information from school. Hearing and vision should be checked.
On scores. Any cut-off is somewhat arbitrary because academic skills sit on a continuum. The DSM-5 advises clinical judgment, noting that standardized scores below the 16th percentile may indicate specific learning disorder and scores below the 7th percentile are most consistent with it.
What it rules out — intellectual disability, sensory impairment, inadequate instruction, and language barriers. These need excluding for the diagnosis to apply.
Getting support at school
IEP — specialized instruction where a learning difference affects educational performance.3 Governed by IDEA.
504 plan — accommodations without specialized instruction.
Request an evaluation in writing. See how to request a school evaluation. This starts a legal timeline in most states. A verbal request usually doesn't.
Your child doesn't need a clinical diagnosis first — schools conduct their own evaluations. A private assessment can support the case but isn't a prerequisite.
What helps, by domain
The evidence is domain-specific — approaches that work for reading don't transfer to math.
Reading — explicit, systematic, cumulative instruction in phonological awareness and phonics, often using multisensory methods. → Dyslexia
Writing — explicit instruction in planning and organizing ideas before focusing on mechanics. → Dysgraphia
Math — concrete manipulatives and visual models before abstract calculation. → Dyscalculia
Across all three — accommodations that remove the barrier without removing the learning: extended time, assistive technology, reduced volume, and assessment that measures understanding rather than the affected skill.
What commonly co-occurs
Learning differences rarely appear alone.
- ADHD — very common alongside, and each complicates the other
- Speech and language difficulties — early speech sound difficulties persisting into school are associated with later reading difficulty
- Developmental coordination disorder — particularly with written expression
- Autism
- Sensory processing differences — a child working to tolerate a classroom has less capacity for learning in it
- Anxiety — frequently develops as a consequence, and needs addressing separately
Assessment should look at the whole picture. A plan built on one diagnosis where two exist will underperform.
Related topics
Areas that sit alongside learning differences, and often explain part of them.
ADHD
Attention difficulty and learning difficulty co-occur often enough to assess both.
Learn more →Speech and language
Early language difficulty is one of the strongest predictors of later reading difficulty.
Learn more →Executive function
Not a diagnosis, and often the reason work does not get started or finished.
Learn more →Sensory processing
Sensory load consumes the capacity a school day needs.
Learn more →Frequently Asked Questions
Is dyslexia a diagnosis?
In the DSM-5, reading difficulty is diagnosed as specific learning disorder with impairment in reading. The APA acknowledges dyslexia as an alternative term for it, and the term remains in wide clinical and educational use.
What is the six-month criterion?
Specific learning disorder requires difficulties persisting at least six months despite targeted intervention. It means a diagnosis depends on documented failure to respond to intervention aimed specifically at the difficulty — so waiting without trying anything delays the process.
How common are learning differences?
The American Psychiatric Association estimates 5 to 15 percent of school-age children have a learning disability. Reading is the most common area of difficulty by a wide margin, involving the large majority of those cases.
Does my child need a diagnosis to get help at school?
No. Schools conduct their own evaluations, and support is based on educational need. A clinical diagnosis can strengthen a case but isn't a prerequisite. Request an evaluation in writing.
Can a child be gifted and have a learning difference?
Yes — often described as twice-exceptional. The two can mask each other, producing average performance that hides both.
What's the difference between a learning difference and a learning disability?
Mostly framing. "Learning disability" is the legal and clinical term in the US, used for services and diagnosis. "Learning difference" is preferred by many families and educators as a description of how someone learns rather than what they lack.
Sources
- American Psychiatric Association. Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, Text Revision (DSM-5-TR). 2022. Replaced the three separate learning diagnoses with one specific learning disorder carrying impairment specifiers.
- International Dyslexia Association. Dyslexia basics, and the DSM-5 changes in diagnostic criteria. Checked August 19, 2026.
- Individuals with Disabilities Education Act (IDEA), 20 U.S.C. §1400 et seq. sites.ed.gov/idea. Checked August 19, 2026. Governs the IEP route described here.
Medical disclaimer. This page is for general educational purposes and does not constitute medical advice, diagnosis, or treatment. Assessment for a learning difference should be carried out by a qualified professional.