For several years, I’ve worked closely with children on the autism spectrum. When my own son was diagnosed, I initially struggled to accept it.
As I delved deeper into understanding his unique challenges, I discovered “hyperlexia and autism” in an article by a psychiatrist. This shed light on his remarkable abilities and behaviors.
What is hyperlexia?
Hyperlexia refers to an advanced ability to read at an early age, often without formal instruction. This remarkable skill is sometimes accompanied by challenges in language comprehension and social communication.
Hyperlexia is one of several traits that can appear in children with autism spectrum disorder, although it can also exist without autism.
Exploring hypernumeracy and hypercalculia
As I continued researching, I learned about other exceptional abilities that can occur in children with autism, such as hypernumeracy and hypercalculia.
Hypernumeracy, or an extraordinary aptitude for understanding numbers and numerical concepts, is a skill some children exhibit. This trait often manifests as an ability to recognize numbers and understand patterns in ways that go beyond typical developmental milestones.
Hypercalculia, a related ability, involves advanced mathematical problem-solving skills that surpass typical expectations for a child’s age.
Children with hypercalculia autism may excel in areas like basic arithmetic, pattern recognition, and even abstract concepts, making them incredibly skilled in mathematics.
It’s essential to understand that while hypernumeracy autism and hypercalculia autism are common in children on the autism spectrum, hypernumeracy without autism is also possible.
This distinction can help parents and educators identify the unique strengths and challenges a child may face.
My son’s journey with hyperlexia
My son exhibited clear signs of being hypernumeric. His ability to recognize and manipulate numbers at a very young age astonished everyone around him.
This hypernumeric skill was closely tied to his hyperlexia, as his fascination with patterns in letters and numbers often overlapped.

However, these exceptional abilities came with challenges. He sometimes struggled to interpret the broader context of problems or engage in conversations beyond his specific interests in letters and numbers.
Recognizing hyperlexia and hypernumeracy in children
When in the community, Eddie would label locations, signs, or billboards. I assumed that he memorized the logos. One day, I overheard him reading out loud from a book that we’d never read, and I was amazed that he was actually reading the words.
At age four, he was evaluated and diagnosed as having symptoms associated with ASD. Although he scored very poorly and below his age range in most areas, he scored very high in his ability to read.
Eddie is very quiet. He’s not much of a talker. When he really wants something, he is motivated to talk. If he’s not motivated, he just remains quiet and ignores everyone. Everything that he does is pretty much on his terms.
Supporting children with exceptional abilities
Children with hypernumeracy autism or hypercalculia autism can benefit greatly from targeted educational strategies that nurture their strengths while supporting areas of difficulty.
For my son, introducing real-life scenarios that connected math and numbers to social or emotional contexts was crucial. This approach helped him bridge the gap between his remarkable numerical abilities and the social aspects of learning.
For example, while teaching him basic addition, I used objects around the house—his toys, blocks, or even food—to make the concept of math more tangible.
Similarly, children with hyperlexia can thrive when they receive support to improve their language comprehension alongside their reading skills.
One strategy that worked well with my son was using labels around the house to reinforce the connection between written words and their meanings. This method helped him understand not only the act of reading but also the context of what he was reading.
Techniques for managing hyperlexia and hypernumeracy
Since Eddie is such a strong reader, I use his strength to teach him. Some of the techniques that I’ve implemented in order to help better him understand what he’s reading include labeling objects within our home.
For example, the garbage can is labeled. When I give him an item and the direction “put in garbage,” I point to the label on the garbage can, indicating to him that this is garbage and that this is where the item should go.
I also have a list of easily accessible phrases on a wall in the dining room. When Eddie wants something, he usually gets it himself, brings it to me, or reads the label to me.
I then tell him that he has to use all his words if he wants it and direct him to the phrase “I want ___.” I then have him read the entire phrase out loud; this process usually takes a while, but I wait him out. I also have “yes,” “no,” “please,” and “thank you” that I prompt him to use in context.
Another method that I use is having a checklist of some of his daily routines. For example, when it’s bedtime, he has a checklist that he reads, completes, and then crosses off tasks as he finishes them.
As he performs each step, I comment on what he’s doing: “I’m taking a bath,” etc. Here is a sample bedtime routine:
- Take a bath
- Brush teeth
- Put on pajamas
- Get in bed
- Read book
- Go to sleep
Understanding hypernumeracy autism and hypercalculia
In addition to being a great reader, Eddie is fascinated with numbers; this is referred to as hypernumeracy. He can count beyond what is expected of the average five-year-old.
He can label numbers, count backward and forward, fill in missing numbers on a number line, and identify numerous shapes. This fascination with numbers is often linked to hypercalculia, which involves exceptional mathematical skills.
Currently, I’m teaching him addition, and slowly, we will build upon those skills. I’m certain one day, he will excel beyond what I am able to teach him in math.
Preparing for the future
This fall, Eddie will be entering kindergarten. I believe that academically, he’s mastered the kindergarten curriculum. However, I fear that his social and communication challenges might present obstacles.
With the right support and strategies, I am hopeful that Eddie’s hyperlexia and hypernumeric abilities will help him thrive in his unique way.
This article was featured in Issue 69 – The Gift of Calm This Season
FAQs
Q: Is hyperlexia a type of autism?
A: Hyperlexia is not considered a type of autism, but it is often seen in individuals on the autism spectrum. It is characterized by advanced reading abilities at an early age, which can occur in some autistic children.
Q: Is a child with hyperlexia gifted?
A: Children with hyperlexia may show exceptional early reading skills, but this does not necessarily mean they are gifted in other areas. Hyperlexia is a distinct condition, and not all children with it are considered gifted.
Q: How rare is hyperlexia?
A: Hyperlexia is relatively rare, with estimates suggesting that it occurs in 5-10% of children on the autism spectrum. However, it can also be seen in children without autism.
Q: Do kids grow out of hyperlexia?
A: Children with hyperlexia may continue to have advanced reading skills throughout their lives, but the intensity of the behavior may decrease as they develop other skills. It is not something that children typically “grow out of,” though they may adapt to it in different ways.
References
Ostrolenk, A. (2024). Hyperlexia and autism: prevalence, neurocognitive bases, and development. https://papyrus.bib.umontreal.ca/xmlui/handle/1866/33414
Macdonald, D., Luk, G., & Quintin, E. M. (2022). Early reading comprehension intervention for preschoolers with autism spectrum disorder and hyperlexia. Journal of Autism and Developmental Disorders, 52(4), 1652-1672. https://link.springer.com/article/10.1007/s10803-021-05057-x
Filipova, S., Jovchevski, V. G., & Torte-Chiche, D. Hyperlexia in a Child with Autism Spectrum Disorder: A Case Report. https://www.researchgate.net/profile/Silvana-Filipova-2/publication/377400601_Hyperlexia_in_a_Child_with_Autism_Spectrum_Disorder_A_Case_Report/links/65a4e8a140ce1c5902de8c64/Hyperlexia-in-a-Child-with-Autism-Spectrum-Disorder-A-Case-Report.pdf
Robertson, S. B. (2019). Hiding in plain sight: Text comprehension, hyperlexia, and adolescents with autism spectrum disorder. Perspectives of the ASHA Special Interest Groups, 4(3), 438-446. https://pubs.asha.org/doi/abs/10.1044/2019_PERS-SIG1-2018-0024
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